IEEE / PES Transformers Committee · 2008. 2. 5. · IEEE/PES Transformers Committee Main Minutes Page - 2 Fall 2006 The Minutes of the IEEE/PES Transformers Committee Meeting held

IEEE/PES Transformers Committee Main MinutesFall 2006 Page - 1

IEEE / PESTransformersCommittee

Meeting Minutes

Approved

Montreal, Quebec CANADAOctober 26, 2006

IEEE/PES Transformers Committee Main MinutesFall 2006Page - 2

The Minutes of the IEEE/PES Transformers Committee Meeting heldOctober 26, 2006 in Montreal, Quebec CANADA

were officially approved at theSpring 2007 Committee Meeting

March 15, 2007 in Dallas, Texas USA.Motion Made by

Seconded byThe vote was Unanimous

Officially CertifiedJames Edward Smith

SecretaryIEEE/PES Transformers Committee


IEEE / PES TransformersCommittee Meeting

October 26, 2006Montreal, Quebec CANADA

ApprovedMinutes

Minutes and information available on theCommittee Website:

www.transformerscommittee.org


Aho, DavidAlfonso, NelsonAnderson, GregoryAntweiler, JimAres, IgnacioArnold, JamesArpino, CarloArteaga, JavierAubin, JacquesAyers, DonaldBalma, PeterBarnard, DavidBartley, WilliamBassett, ThomasBeaster, BarryBeauchemin, ClaudeBell, ClarenceBello, OscarBlew, DavidBoettger, WilliamBorowitz, JamesBreckenridge, ThomasBrown, KentCallsen, ThomasCancino, AlvaroCarlos, ArnaldoCastellanos, JuanChiu, BillChoinski, ScottChu, DonaldClaiborne, C. ClairCoffeen, LarryColopy, CraigCooper, TommyCorkran, JerryCosta, FlorianCraven, MichaelCrouse, JohnDarwin, AlanDavis, EricDel Rio, J. ArturoDix, LarryDohnal, DieterDrees, TerryDudley, RichardElliott, FredFairris, James

Fallon, DonFoldi, JosephFortin, MarcelFoster, DerekFranchek, MichaelGarcia, EduardoGardner, JamesGarner, CharlesGirgis, RamsisGomez-Hennig, EduardoGraham, JamesGraham, JohnGraham, RichardGromlovits, MarkGruber, MyronGrunert, RobertHaas, MichaelHaggerty, N KentHanus, KennethHarley, JohnHarlow, JamesHayes, RogerHeathcote, MartinHeinzig, PeterHennessey, JohnHenning, WilliamHochanh, ThangHollingsworth, RichardHopkinson, PhilipJarman, PaulJauch, ErwinJohnson, CharlesJohnson, WayneJones, JerryJonnatti, AnthonyKalra, C JKane, ClaudeKelly, JosephKennedy, GaelKennedy, SheldonKhalin, VladimirKim, DongKlaponski, BrianKnorr, WolfgangKo, ChungduckKraemer, AxelKraetge, Alexander

Kyle, RandallLadroga, RichardLamontagne, DonaldLau, MichaelLee, DennisLee, TerenceLemke, EberhardLewis, TimothyLundquist, ThomasLuo, ShawnMachado Junior, TamyresMarble, DavidMarek, RichardMatthews, JohnMatthews, LeeMcNelly, SusanMiller, KentMillward, PaulMolden, ArthurMoore, HaroldMorehart, WalterMulkey, DanielNavarro, MartinNeuls, FlavioNiemann, CarlOgajanov, RudolfOlafsson, GylfiOliva, MiguelOommen, T.V.Oriti, SamuelPapp, KlausParkinson, DwightPatni, PremPerco, DanPeterson, AlanPlatts, DonaldPloetner, ChristophPoulin, BertrandPrevost, ThomasPuri, JeewanRadbrandt, UlfRahangdale, RaviRave, MartinRaymond, CharlesRaymond, TimothyRega, ChrisRestaino, Mario

IEEE/PES TRANSFORMERS COMMITTEE MEETINGMontreal, Quebec CANADA

October 26, 2006

ATTENDANCE SUMMARYMain Committee Meeting Attendees at the Fall 2006 Meeting


Riboud, Jean-ChristopheRiffon, PierreRomano, KennethRosselli, GirolamoRossetti, JohnRoussell, MarnieSandhu, SurinderSankar, VallamkondaSchweiger, EwaldSewell, JeremySharma, DevkiShor, AndreShull, StephenSim, H. JinSimpson, Jr., R.Smith, Edward

Snyder, StevenSparling, BrianSpurlock, MichaelStahara, RonaldStankes, DavidStein, JohnSteineman, AndrewStenestam, Bengt-OlofStiegemeier, CraigSwinderman, CraigSzewczyk, RadoslawTatu, ValeriuTempleton, JamesteNyenhuis, EdTermini, GiuseppeThierry, Juan Luis

Thomas, MichaelThompson, RobertTillman, RobertTrummer, EdgarVaillancourt, GeorgesVan Neste, RichardVeitch, RobertVerner, Jane AnnVogel, HermanWagenaar, LorenWallach, DavidWard, BarryWicks, RogerWilks, AlanYule, KippZhang, JimZhao, PeterZiomek, Waldemar



October 26, 2006

Transformers Committee AM System Roster As of the Fall 2006 Meeting

Abdulsalam, Sami, I IAbi-Samra, Nick, I IAguirre, Samuel, APAho, David, CMAhrens, Paul, APAhuja, Raj, APAikens, Thomas, I IAlfonso, Nelson, I IAllan, Dennis, CMAllen Jr, William, I IAllen, Jerry, APAllustiarti, Raymond, CM - EMAlves, Marcos, I IAlymann, Melidia, I IAmos, Richard, APAn, Joy, I IAnderegg, Don, APAnderson, Gregory, CMAnderson, Thomas, I IAndersson, Sten, APAngell, Don, APAntoran, Javier, I IAntosz, Stephen, CMAntweiler, Jim, APAres, Ignacio, CMAresteanu, Viorika, I IArmstrong, James, I IArnold, James, CM - EMAromin, Venzon, APArpino, Carlo, APArteaga, Javier, CMAsano, Roberto, I IAshby, Derek, APAstleford, John, APAubin, Jacques, CM - LMAustin, Peter, I IAyers, Donald, CMBaldauf, Joao, I IBaldauf, John, I IBallard, Donald, APBallard, Jay, APBalma, Peter, CMBaranowski, Derek, APBarker, Ron, CMBarnard, David, CMBarnes, Michael, CMBarnett, Darren, I IBarrett, Christine, I I

Barrientos-Torres, Israel, APBarrington, Gary, I IBartek, Allan, APBartels, Terry, I IBartley, William, CMBartnikas, Ray, CM - LMBasel, Dana, APBassett, Thomas, CMBastarache, Daniel, I IBasu, Bikash, APBates, Danny, I IBaumgartner, Christopher, I IBaumschlager, Rainer, I IBaur, Martin, APBeaster, Barry, CMBeauchemin, Claude, I IBeckman, Stephen, APBeckwith, Thomas, I IBell, Clarence, I IBello, Oscar, APBenach, Jeff, APBenson, Richard, CM - LMBerler, Zalya, I IBertolini, Edward, I IBerube, Jean-Noel, I IBetancourt, Enrique, APBinder, Wallace, CMBittner, Carlos, APBlackburn, Gene, CMBlackmon, Jr., James, APBlake, Dennis, APBlew, David, CMBoettger, William, CMBolliger, Alain, APBoman, Paul, APBonecutter, Thayer, I IBonmann, Dietrich, I IBorowitz, James, I IBorst, John, CMBoston, David, I IBotti, Michael, I IBouffard, Adrien, I IBrady, Catherine, I IBrafa, J.D., I IBranca, Dennis, I IBraun, Jean-Marie, APBray, Frank, APBreckenridge, Thomas, I I

Bredemeier, Troy, I IBrender, David, APBreytenbach, Richard, APBritton, Jeffrey, APBronzeado, Herivelto, I IBrown, Kent, I IBrown, Steven, APBrunet, Pierre, I IBrush, Edwin, APBuchanan, Paul, APBuckmaster, David, I IBurns, Clayton, I IBurns, David, APBusch, Michael, I IBush, Carl, APCai, Jim, I ICallsen, Thomas, CMCancino, Alvaro, APCannon, Michael, I ICantrell, Rick, APCargol, Tim, APCarlos, Arnaldo, APCarulli, Joeseph, I ICaruso, Charles, APCarvalho, Carlos Manuel, I ICash, Donald, CM - LMCaskey, John, APCastellanos, Juan, APChamberlain, Nikki, I ICheatham, Jonathan, APCheim, Luiz, I IChen, Yunxiang, APCherry, Donald, APCheung, Joseph, I IChigiri, Takeshi, APChilds, Scott, I IChisholm, Paul, APChiu, Bill, CMChmiel, Frank, APCho, Justin, APChoinski, Scott, APChristensen, Peter, I IChristini, J. Mark, APChu, Donald, CMClaiborne, C. Clair, APClarke, Peter, APCoffeen, Larry, APColopy, Craig, CM


Comely, Tracy, APCooley, Ken, I ICooper, Tommy, CMCorel, Dale, I ICorkran, Jerry, CMCorsi, Domenico, APCosta, Florian, APCote, Jacques, I ICox, Philip, I ICraig, Douglas, I ICraven, Michael, I ICross, James, APCrotty III, John, CMCrouse, John, CMCulhane, Michael, APCultrera, Joseph, I Ida Silva, Luiz Otavio, I IDamico, Frank, CMDarby, John, I IDarovny, William, CMDarwin, Alan, CMDaubert, Ronald, CMDavis, Eric, CMDavis, Larry, CMDavydov, Valery, APde la Cruz, Dan, APDeclercq, Jan, I IDegeneff, Robert, CMDel Rio, J. Arturo, I IDel Vecchio, Robert, APdela Houssaye, Kevin, APDeRouen, Craig, I IDigby, Scott, APDighe, Ramesh, I IDix, Larry, CMDjurdjevic, Ksenija, I IDohnal, Dieter, CMDoody, Bill, I IDorris, Don, I IDoutrelepont, Alexander, I IDrees, Terry, I IDrexler, Charles, APDuart, Jean-Claude, I IDubiel, Ray, I IDuckett, Don, CMDudley, Richard, CMDugas, Denis, I IDukarm, James, I IDunkin, Robert, I IDunlap, David, APDunn, James, I IDuval, Michel, I IEden, David, I IElder, Lonnie, I IElliott, Fred, CMEllis, David, I IEllis, Keith, CM

Epping, Patrick, APErkan, Yavuz, I IEspindola, Marco, I IFairris, James, APFalcone, Eugenio, I IFallon, Donald, CMFamily, Girija, I IFaulkenberry, Michael, APFausch, Reto, APFeghali, Pierre, CMFerreira, Marcos, CMField, Norman, APFiler, Douglas, I IFishel, Robert, I IFitzgerald, Joseph, I IFlamand, Jacques, I IFleeman, Jeff, CMFoda, Rabiz, I IFoldi, Joseph, CMFoley, Jefferson, I IForrest, George, APForsyth, Bruce, APFortin, Marcel, APFoster, Derek, CMFoster, Mary, I IFranchek, Michael, CMFridman, Harry, APFrimpong, George, I IGalbraith, Shawn, APGalloway, Dudley, CMGamane, John, I IGanser Jr., Robert, I IGanser, Robert, APGarcia, Ben, I IGarcia, Eduardo, APGarcia, Ramon, APGarcia-Colon, Vicente, I IGardner, James, CMGarner, Charles, I IGarnitschnig, Andreas, APGarza, Joseph, APGauthier, John, I IGaytan, Carlos, CMGerth, Juergen, APGervais, Pierre, I IGetson, Douglas, APGhafourian, Ali, CMGhosh, Prodipto, I IGhosh, Saurabh, APGianakouros, Harry, APGibson, Wayne, I IGifford, Ian, I IGilbert, Ian, I IGilbertson, John, I IGill, Geoffrey, I IGill, Jesse, I IGilleland, Harley, AP

Gillespie, Ron, APGines, Marlin, I IGirgis, Ramsis, CMGlass, Bryan, I IGoldsmith, Anne, I IGomez, Rolando, I IGomez-Hennig, Eduardo, APGonzalez de la Vega, Jorge, APGoodwin, David, APGoolgasian, Jeffrey, I IGraham, James, I IGraham, John, CMGraham, Richard, CMGraifer, Alexander, I IGray, Michael, I IGreely, Thomas, I IGriesacker, Bill, CMGrijuela, Jose, I IGromlovits, Mark, I IGruber, Myron, CMGrunert, Robert, CMGryszkiewicz, Frank, CMGuardado, Jeremy, APGuerra, Jorge, APGuillaume, Perigaud, I IGungon, Ruben, I IGuyon, Pierre, I IHaas, Mark, APHaas, Michael, CMHaasz, Jodi, I IHaddad, Raymond, I IHager Jr., Everett, CMHaggerty, N Kent, CMHall, A C, CMHammer, Mark, I IHammers, Jack, CMHanique, Ernst, CMHansen, Wayne, CMHanson, David, APHanus, Kenneth, CMHarbaugh, Thomas, APHardin, Michael, APHarley, John, CMHarlow, James, CM - LMHarris, David, I IHartgrove, Robert, CMHatch, Stanley, I IHaufler, John, I IHayes, Roger, CMHeathcote, Martin, I IHeinzig, Peter, CMHeld, Mike, I IHennessey, John, I IHenning, William, CMHerron, John, I IHerz, Josh, I IHicks, Wayne, I I


Hirt, Robert, I IHochanh, Thang, CMHoffman, Gary, APHofstee, Bert, I IHolifield, Thomas, APHollingsworth, Richard, CMHolsomback, Steve, APHopfner, Caron, APHopkinson, Philip, CMHorning, Michael, APHovington, Maude, I IHsu, Alex, I IHuff, Timothy, APHughes, Bert, APHuguet, Francis, I IHumenick, Noelle, I IHussain, Mohammad, APIbarra, Rolando, I IIman, Mike, CMIonita, Pavel, I IIrusta, Olatz, I IJacobson, Clark, I IJacomo Ramos, Antsnio, I IJafarnia, Mostafa, APJakob, Fredi, APJakob, Karl, APJames, Jr., Rowland, CMJankowich, Edward, I IJanssen, Robert, I IJarman, Paul, APJaroszewski, Marion, APJauch, Erwin, CM - LMJeong, Benny, I IJhonsa, Virendra, CMJohannson, Larry, APJohnson, Charles, CMJohnson, Elizabeth, I IJohnson, Wayne, APJones, Jerry, I IJonnatti, Anthony, CM - LMJordan, Stephen, APJoyner, Murray, I IJuhlin, Lars-Erik, CMKadar, Laszlo, APKahanek, William, I IKalra, C J, APKane, Claude, I IKang, Jinho, I IKanty, Stephen, I IKasanow, Alan, I IKeithly, David, APKelly, Joseph, CM - LMKendrick, Dave, APKennedy, Gael, APKennedy, Sheldon, CMKennedy, William, CM - EMKhalin, Vladimir, CM

Khan, Jamil, I IKilgore, James, I IKim, Dong, I IKim, Hyong Sun, I IKing, Gary, APKing, Jerry, I IKircher, Christophe, I IKirshner, Dave, APKlaponski, Brian, APKline, Alexander, CMKnoll, Ernst, APKnorr, Wolfgang, I IKnuth, Wesley, I IKo, Chungduck, I IKoch, Hermann, I IKojovic, Ljubomir, I IKopp, Alvin, APKostyal, Stanley, APKraemer, Axel, APKraetge, Alexander, I IKranich, Neil, APKrawiec, Steve, I IKriska, Jeremy, I IKrump, Reiner, APKucukefe, Yasar, I IKulasek, Krzysztof, APKumar, Pankaj, I IKurth, Bernhard, APKyle, Randall, APLackey, John, CMLackey, William, I ILadroga, Richard, CMLamb, Michael, I ILambert, Sylvain, I ILamontagne, Donald, I ILangan, Robert, I ILapointe, Sylvain, I ILau, Capitola, I ILau, Michael, CMLauner, Mollie, I ILeclerc, Marc, I ILee, Dennis, APLee, Jason, I ILee, Min Jea, APLee, Saulie, I ILee, Terence, I ILegrand, Bertrand, I ILemke, Eberhard, APLemos, Gilbert, I ILeuenberger, Boyd, APLewand, Lance, I ILewis, Timothy, CMLi, Xin, I ILidstrvm, Patric, I ILinan, Roberto, I ILindgren, Stanley, CM - LMLings, Raymond, I I

Loback, Raymond, I ILohmeyer, Dale, I ILopes, Ricardo, I ILortie, Raymond, I ILowdermilk, Larry, CM - LMLowe, Donald, CMLu, Franklin, APLu, Mingfei, I ILundquist, Thomas, CMLuo, Shawn, APLux, Andre, APLynch, Felix, APMa, Joseph, CMMachado Junior, Tamyres, APMacMillan, Donald, CMMacNeil, William, I IMagee, Tommy, APMagnan, Yves, I IMakinson, David, CMMalewski, Ryszard, I IMamtora, Jitendra, I IMani, Kumar, APMarble, David, I IMarek, Richard, CMMarfatia, Pinak, I IMarlow, Dennis, CMMartin, Joseph, I IMartin, Michael, APMartin, Terence, APMartin, W. Michael, APMartinez, Rogelio, APMartins, Alberto, APMartins, Nicolau, I IMathers, Chris, APMatthews, John, CMMatthews, Lee, CMMay, Todd, I IMayer, Robert, APMcBride, James, APMcCarthy, J David, I IMcClure, Phillip, CMMcCulla, Gary, I IMcCullough, Doug, I IMcDermott, Michael, APMcDonald, John, I IMcEachern, Donald, I IMcIver, James, APMcKenny, Peter, I IMcKinney, Ken, I IMcLaughlin, Richard, I IMcNeish, Kenneth, I IMcNelly, Susan, CMMcQuin, Nigel, CMMcShane, Charles Patrick, CMMcTaggart, Ross, CMMedina Pena, Miguel, I IMehrotra, Vinay, I I


Mehta, Shirish, CMMeilleur, JF, I IMelanson, Joseph, APMeliopoulos, Sakis, I IMendes, Jose, I IMerando, John, I IMercure, Hubert, I IMetzger, Wayne, I IMichael, Samuel, I IMiller, Jermel, I IMiller, Kent, CM - LMMiller, Wayne, I IMillward, Paul, CMMilton, Curtis, I IMiram, Per, I IMitchell, Allen, I IMoe, Edward, I IMoffat, Jock, I IMolden, Arthur, CMMonoski, Chris, APMoore, Harold, CM - LMMoore, James, I IMoore, Tim, I IMoorkath, Vijaya, I IMorales Cruz, Emilio, APMorehart, Walter, CM - LMMorgan, Dan, I IMorris, Tim, APMorrissette, Guy, APMucha, Rick, APMulkey, Daniel, CMMurphy, Ann, I IMurphy, Jerry, CMMushill, Paul, APMusil, Richard, CMNair, Moorkath, I INavarro, Martin, APNeal, Jason, APNelson, Ted, APNelson, Thomas, APNeuls, Flavio, I INeves da Silva, Alexandre, I INgnegueu, Triomphant, I INguyen, Van Nhi, CMNguyen, Vuong, APNicewarner, Enoch, I INicholas, Ray, CMNicholas, Ron, APNichols, Bruce, I INielsen, Jim, I INiemann, Carl, CM - LMNikoley, Ingo, APNims, Joe, APNordman, Hasse, APNorthrup, Steve, APNowell, Robert, APNugent, William, I I

Nunez, Arturo, APOcon, Rodrigo, I IOgajanov, Rudolf, I IOh, Edwin, I IOlafsson, Gylfi, I IOlan, David, APO’Leary, Brian, I IOlen, Robert, CMOliva, Miguel, APOliver, Terry, I IOlson, Tim, CMOommen, T.V., APOriti, Samuel, APOrr, Mitchel, I IOrtiz, Angela, APOwens, Robert, I IPadgett, Alan, APPages, Remi, APPaik, Henry, APPaiva, Gerald, CMPaparo, Vincenzo, I IPapp, Klaus, CMPaquin, Mario, I IPark, Moo Geun, I IPark, Sangbong, I IParkinson, Dwight, I IPatel, Bipin, CMPatel, Dhiru, APPatel, Jashu, I IPatel, Sanjay, APPatella, Tad, I IPatni, Prem, I IPatterson, Wesley, CMPatton, Jesse, CM - LMPatwardhan, Jayant, I IPayerle, George, APPedro, Pedro, APPeixoto, Carlos, I IPekarek, Thomas, CMPepin, Pierre, I IPerco, Dan, CMPerez, Marcelo, I IPerigaud, Guillaume, I IPerkins, Mark, CMPerlichek, Robert, I IPeters, James, I IPeterson, Alan, APPeterson, Mark, I IPicher, Patrick, I IPierce, Linden, CM - EMPilgrim, Chris, I IPillitteri, Paul, APPink, Tony, APPinsonneault, Lise, I IPinto, Antonio, I IPiovan, Ugo, APPitts, Chris, I I

Platts, Donald, CMPloetner, Christoph, APPlourde, Michel, I IPointner, Klaus, I IPolishchuk, Izyaslav, I IPolovick, Greg, I IPoulin, Bertrand, CMPowell, Lewis, I IPowell, Paulette, CMPower, Greg, I IPowers, Dick, I IPreininger, Gustav, CMPrevost, Thomas, CMPrieto, Alberto, I IProgar, John, CMProvost, Richard, APPsyck, Rip, APPuri, Jeewan, CMPurohit, Dilip, CMRachford, Joe, APRadbrandt, Ulf, I IRahangdale, Ravi, CM - LMRahmatian, Farnoosh, APRajadhyaksha, Mangesh, I IRajotte, Claude, I IRave, Martin, APRawls, Earl, I IRay, Jeff, APRaymond, Charles, CMRaymond, Timothy, CMRazuvayev, Sergiy, I IRecksiedler, Leslie, APReddick, Charles, I IReed, Scott, CMRega, Chris, APReis, Mark, I IReiss IV, Clemens, I IReitter, George, CMRennich, Terry, I IRensi, Randolph, APRestaino, Mario, I IRevelle, Ryland, I IRezai, Hossein, I IRiboud, Jean-Christophe, APRichardson, James, I IRiffon, Pierre, CMRingle, David, I IRiopel, Sebastien, I IRisse, Peter, CMRistuccia, Donald, I IRivera, Marcos, I IRivers, Mark, APRobbins, Chris, CMRoberts, Mark, I IRobinson, Arlise (Butch), CMRobitaille, Mireille, I IRoizman, Oleg, I I


Rojas, Alex, I IRomano, Kenneth, CMRosselli, Girolamo, APRossetti, John, CMRoussell, Marnie, APRunewicz, John, I IRussell, Don, APRusswurm, Dirk, CMSahr, Christina, I ISalaria, Asad, I ISaldivar, Juan, I ISalinas, Alex, I ISalva, Josi, I ISampat, Mahesh, CMSandberg, Peter, I ISandhu, Surinder, APSankar, Vallamkonda, CMSankarakurup, Dinesh, I ISantana, Juan, I ISargent, Brett, I ISarkar, Subhas, APSavio, Leo, CMScaquetti, David, APSchacker, Michael, I ISchaefer, Michael, I ISchappell, Steven, CMSchiff, Anshel, I ISchmidt, Ingo, I ISchneider, Jeffrey, APSchoggen, David, I ISchroeder, Stephen, APSchuette, Christoph, APSchweiger, Ewald, CMScull, Douglas, APSeitlinger, Walter, I ISenne, Douglas, I ISergey, Dorofeev, I IService, Customer, I ISerzan, Jeffrey, I ISestito, John, APSewell, Jeremy, I ISewell, Russell, I IShah, Dilip, I IShah, Dilipkumar, APSharma, Devki, CMSharp, Michael, I IShawver, Carl, I IShekelton, James, APShekelton, Jay, APSherman, Philip, I IShertukde, Hemchandra, CMShertukde, Rekha, APShor, Andre, I IShteyh, Ibrahim, CMShull, Stephen, CMSilva, Jorge, I ISilvestre, Manuel, AP

Sim, H. Jin, CMSimers, Randall, I ISimmons, Charles, I ISimmons, Nancy, I ISimoes, Joaquim, I ISimpson, Jr., R., APSines, Eddie, I ISingh, Pritpal, CMSlovik, Thomas, APSmith, Charles, APSmith, Edward, CMSmith, James, CMSmith, Jerry, CM - EMSnyder, Aaron, CMSnyder, Steven, CMSo, Eddy, APSokolov, Victor, I ISommer, Mark, I ISousa, Joao, APSparling, Brian, APSpeegle, Andy, APSpielvogel, Larry, I ISpitzer, Thomas, CMSpurlock, Michael, I IStahara, Ronald, CMStank, Markus, I IStankes, David, I IStankowski, Krzysztof, I IStein, John, I ISteineman, Andrew, APSteinhagen, Jennie, I IStenestam, Bengt-Olof, APStensland, Leonard, CM - EMSterner, Robert, I IStewart, Peter, CM -Corresponding MemberStiegemeier, Craig, CMStill, Robert, APStinson, David, I ISt-Laurent, Dany, I IStoner, Ronald, CMStrongosky, Neil, I ISturm, Colin, I ISubramanian, Raman, APSullivan, Christopher, I ISullivan, John, CMSullivan, Richard, I ISuman, Gerald, I ISundkvist, Kjell, I ISvensson, Marten, I ISweetser, Charles, APSwift, Glenn, APSwinderman, Craig, CMSzewczyk, Radoslaw, I ITardif, Jean-Pierre, I ITarlapally, susmitha, I ITatu, Valeriu, I I

Taylor, Robyn, APTeetsel, Mark, APTellez, Richard, I ITempleton, James, I ITen Haagen, Christopher, APTennant, Jeff, I IteNyenhuis, Ed, CMTermini, Giuseppe, CMTestAdmin, Greg, APTestMember, Greg, I IThaden, Malcolm, APThierry, Juan Luis, I IThomas, Michael, I IThompson, Jim, CMThompson, Robert, CMThompson, Steve, I ITillman, Robert, APTobin, Thomas, I ITodd, Brett, I ITolbert, George, APTong, Lin, I ITraub, Thomas, CMTraut, Alan, APTridon, Florence, I ITrivitt, Donnie, APTroxell, Greg, I ITrummer, Edgar, CMTuli, Subhash, CMTurcotte, Julie, I ITwibell, Brian, I ITylavsky, Daniel, I IUpal, Ahsan, I IVaillancourt, Georges, CM - EMVailoor, Vasanth, I IValderrama, Carolina, I Ivan der Zel, Gordon, I Ivan Kooy, John, I IVan Neste, Richard, I IVedante, Kiran, I IVeitch, Robert, CM - LMVerdolin, Roger, CMVerner, Jane Ann, APVir, Dharam, I IVirelli, Greg, I IVogel, Herman, APVogel, Susan, I IvonGemmingen, Richard, APWagenaar, Loren, CMWagner, Dieter, APWallach, David, CMWalls, Albert, APWalters, Gary, I IWalters, Shelby, APWang, May, I IWang, Zanji, I IWard, Barry, CMWatson, Joe, CM


Membership CodeCMCommittee Member

CM - EMCommittee Member - EmeritusMember

CM - CMCommittee Member - CorrespondingMember

CM - LMCommittee Member - IEEE Life Member

APActive Participant

I IInterested Individual

Weekes, Tony/Mark, APWeffer, Felipe, CMWegner, Axel, I IWerelius, Peter, I IWhearty, Robert, CMWhite, Micheal, I IWhitehead, William, I IWicks, Roger, APWiefling, Ronald, APWiegand, Dave, CM - LMWilks, Alan, CMWilliams, Michael, AP

Williams, Randy, APWimmer, William, CMWiseman, Jim, APWolfe, Frank, I IWolter, Steve, I IWoodcock, David, CMWoods, Andrew, I IWyatt, Hayes, I IWyatt, John, I IXu, Shuzhen, APYeboah, George, I IYoung, William, I I

Youngberg, Roland, I IYuasa, Sadayuki, I IYule, Kipp, CMYute, Douglas, APZarmandily, Hassan, I IZhang, Jim, I IZhang, Shibao, I IZhao, Peter, CMZhu, Hanxin, I IZingl, Reinhold, I IZiomek, Waldemar, CMZito, Anthony, I IZouaghi, Abderrahmane, I I



October 26, 2006

ATTENDANCE SUMMARYCommittee Members and Guests Present at the Fall 2006 Meeting

Aho, DavidAhuja, RajAlfonso, NelsonAllen, JerryAmos, RichardAn, JoyAnderson, GregoryAngell, DonAntosz, StephenAntweiler, JimAres, IgnacioAresteanu, ViorikaArmstrong, JamesArnold, JamesArpino, CarloArteaga, JavierAubin, JacquesAyers, DonaldBaldauf, JoaoBallard, JayBalma, PeterBaranowski, DerekBarnard, DavidBarrientos-Torres, IsraelBartek, AllanBartley, WilliamBartnikas, RayBassett, ThomasBastarache, DanielBaumschlager, RainerBeaster, BarryBeauchemin, ClaudeBeckwith, ThomasBell, ClarenceBello, OscarBerler, ZalyaBertolini, EdwardBerube, Jean-NoelBetancourt, EnriqueBinder, WallaceBlew, DavidBoettger, WilliamBolliger, AlainBoman, PaulBorowitz, JamesBouffard, AdrienBrafa, J.D.

Breckenridge, ThomasBreytenbach, RichardBritton, JeffreyBrown, KentBrunet, PierreBrush, EdwinBuchanan, PaulCai, JimCallsen, ThomasCancino, AlvaroCantrell, RickCarlos, ArnaldoCarulli, JoesephCarvalho, Carlos ManuelCash, DonaldCaskey, JohnCastellanos, JuanChen, YunxiangChisholm, PaulChiu, BillChmiel, FrankChoinski, ScottChu, DonaldClaiborne, C. ClairCoffeen, LarryColopy, CraigComely, TracyCooper, TommyCorkran, JerryCosta, FlorianCote, JacquesCraven, MichaelCrotty III, JohnCrouse, JohnDamico, FrankDarovny, WilliamDarwin, AlanDavis, EricDavydov, Valeryde la Cruz, DanDegeneff, RobertDel Rio, J. Arturodela Houssaye, KevinDix, LarryDohnal, DieterDoutrelepont, AlexanderDrees, Terry

Drexler, CharlesDubiel, RayDudley, RichardDugas, DenisDukarm, JamesDunkin, RobertDunlap, DavidDunn, JamesDuval, MichelEden, DavidElder, LonnieElliott, FredEllis, KeithErkan, YavuzEspindola, MarcoFairris, JamesFallon, DonaldFaulkenberry, MichaelFeghali, PierreField, NormanFiler, DouglasFlamand, JacquesFoldi, JosephForrest, GeorgeForsyth, BruceFortin, MarcelFoster, DerekFoster, MaryFranchek, MichaelFrimpong, GeorgeGanser, RobertGanser Jr., RobertGarcia, EduardoGardner, JamesGarner, CharlesGarza, JosephGerth, JuergenGervais, PierreGhafourian, AliGill, GeoffreyGirgis, RamsisGomez, RolandoGomez-Hennig, EduardoGoodwin, DavidGoolgasian, JeffreyGraham, JamesGraham, John


Graham, RichardGriesacker, BillGromlovits, MarkGruber, MyronGrunert, RobertGuerra, JorgeGuyon, PierreHaas, MichaelHaggerty, N KentHammer, MarkHanson, DavidHanus, KennethHarbaugh, ThomasHardin, MichaelHarley, JohnHarlow, JamesHayes, RogerHeathcote, MartinHeinzig, PeterHennessey, JohnHenning, WilliamHerron, JohnHerz, JoshHochanh, ThangHolifield, ThomasHollingsworth, RichardHopkinson, PhilipHovington, MaudeHussain, MohammadIman, MikeIonita, PavelJakob, FrediJakob, KarlJames, Jr., RowlandJarman, PaulJaroszewski, MarionJauch, ErwinJohannson, LarryJohnson, CharlesJohnson, WayneJones, JerryJonnatti, AnthonyJordan, StephenKalra, C JKane, ClaudeKang, JinhoKanty, StephenKeithly, DavidKelly, JosephKennedy, GaelKennedy, SheldonKhalin, VladimirKim, DongKing, GaryKircher, ChristopheKirshner, DaveKlaponski, Brian

Knoll, ErnstKnorr, WolfgangKo, ChungduckKraemer, AxelKraetge, AlexanderKrawiec, SteveKriska, JeremyKrump, ReinerKulasek, KrzysztofKurth, BernhardKyle, RandallLadroga, RichardLamb, MichaelLambert, SylvainLamontagne, DonaldLau, MichaelLeclerc, MarcLee, DennisLee, JasonLee, TerenceLegrand, BertrandLemke, EberhardLewand, LanceLewis, TimothyLinan, RobertoLindgren, StanleyLings, RaymondLohmeyer, DaleLortie, RaymondLundquist, ThomasLuo, ShawnMachado Junior, TamyresMacNeil, WilliamMagnan, YvesMamtora, JitendraMarble, DavidMarek, RichardMartin, W. MichaelMartin, TerenceMartinez, RogelioMartins, AlbertoMatthews, JohnMatthews, LeeMay, ToddMayer, RobertMcBride, JamesMcCulla, GaryMcCullough, DougMcEachern, DonaldMcIver, JamesMcNelly, SusanMcShane, Charles PatrickMcTaggart, RossMehrotra, VinayMelanson, JosephMercure, HubertMiller, Jermel

Miller, KentMillward, PaulMilton, CurtisMoe, EdwardMolden, ArthurMoore, HaroldMorehart, WalterMorgan, DanMorrissette, GuyMulkey, DanielMurphy, JerryMushill, PaulNavarro, MartinNeuls, FlavioNguyen, Van NhiNguyen, VuongNichols, BruceNiemann, CarlNikoley, IngoNims, JoeNordman, HasseNugent, WilliamNunez, ArturoOcon, RodrigoOgajanov, RudolfOlafsson, GylfiO’Leary, BrianOlen, RobertOliva, MiguelOlson, TimOommen, T.V.Oriti, SamuelOrtiz, AngelaPaik, HenryPapp, KlausPaquin, MarioParkinson, DwightPatel, DhiruPatni, PremPepin, PierrePerco, DanPerigaud, GuillaumePerkins, MarkPeterson, AlanPeterson, MarkPicher, PatrickPink, TonyPinsonneault, LisePlatts, DonaldPloetner, ChristophPoulin, BertrandPowers, DickPrevost, ThomasProgar, JohnPuri, JeewanRadbrandt, UlfRahangdale, Ravi


Rahmatian, FarnooshRajotte, ClaudeRave, MartinRaymond, CharlesRaymond, TimothyRazuvayev, SergiyRecksiedler, LeslieRega, ChrisReis, MarkReiss IV, ClemensRennich, TerryRestaino, MarioRestaino, MarioRiboud, Jean-ChristopheRiffon, PierreRingle, DavidRiopel, SebastienRivera, MarcosRoberts, MarkRobitaille, MireilleRoizman, OlegRojas, AlexRomano, KennethRosselli, GirolamoRossetti, JohnRoussell, MarnieRunewicz, JohnRusswurm, DirkSahr, ChristinaSampat, MaheshSandhu, SurinderSankar, VallamkondaSankarakurup, DineshSargent, BrettScaquetti, DavidSchappell, StevenSchuette, ChristophSchweiger, EwaldScull, DouglasSergey, DorofeevSewell, JeremyShah, DilipkumarSharma, DevkiShor, AndreShull, StephenSim, H. JinSimpson, Jr., R.Smith, CharlesSmith, EdwardSnyder, StevenSo, EddySparling, BrianSpeegle, AndySpitzer, ThomasSpurlock, MichaelStahara, RonaldStankes, David

Stankowski, KrzysztofStein, JohnSteineman, AndrewStenestam, Bengt-OlofStiegemeier, CraigSt-Laurent, DanySullivan, ChristopherSundkvist, KjellSweetser, CharlesSwift, GlennSwinderman, CraigSzewczyk, RadoslawTardif, Jean-PierreTatu, ValeriuTempleton, JamesTennant, JeffteNyenhuis, EdTermini, GiuseppeThierry, Juan LuisThomas, MichaelThompson, JimThompson, RobertTillman, RobertTodd, BrettTraut, AlanTridon, FlorenceTrivitt, DonnieTrummer, EdgarTuli, SubhashTurcotte, JulieVaillancourt, Georgesvan der Zel, GordonVan Neste, RichardVeitch, RobertVerner, Jane AnnVirelli, GregVogel, HermanWagenaar, LorenWallach, DavidWalters, ShelbyWard, BarryWatson, JoeWerelius, PeterWhite, MichealWicks, RogerWilks, AlanWilliams, RandyWiseman, JimWolfe, FrankWolter, SteveWoodcock, DavidXu, ShuzhenYule, KippZhang, JimZhao, PeterZhu, HanxinZiomek, Waldemar

Zito, AnthonyZouaghi, Abderrahmane



Table of Contents

1.0 Chair’s Report, Remarks and Announcements – D. J. Fallon 18

2.0 Approval of Minutes of March 22, 2005- D. J. Fallon 31

3.0 Administrative Subcommittee – D. J. Fallon 31

3.1 Introduction of members and guests 31

3.2 Approval of the Memphis meeting minutes - D. J. Fallon 31

3.3 Additions to and/or approval of the agenda 32

3.4 Meeting Arrangements, Host Report and Committee Finances- GW Anderson 33

3.5 IEEE Staff – Jodi Haasz 34

3.6 Committee Service Awards – K. S. Hanus 34

3.7 Chair’s Report – D. J. Fallon 34

3.8 Vice Chair’s Report – T. A. Prevost 34

3.9 Secretary’s Report – J. Ed Smith 35

3.10 Standards Subcommittee – B.Chiu 38

3.11 Round-Table: Subcommittee Activities – Subcommittee Chairs 43

3.12 Old Business 43

3.13 New Business 44

3.14 Adjournment 44

4.0 Vice Chair’s Report – T. A. Prevost 44

5.0 Transformer Standards – Bill Chiu 47

6.0 Recognition and Awards – Ken Hanus 55

6.1 Certificates of Appreciation 55

6.2 Nominations for IEEE, PES and Technical Council Awards 55

6.3 Awards – General 55

7.0 Reports of Technical Subcommittees 56

7.1 HVDC Converter Transformers & Reactors Subcommittee – R.F. Dudley 56

7.2 Instrument Transformers Subcommittee - Jim Smith 58

7.3 Insulating Fluids Subcommittee – Rick Ladroga 61


7.4 Insulation Life Subcommittee – D.W. Platts 70

7.5 Performance Characteristics Subcommittee – R.S. Girgis 78

7.6 Power Transformer Subcommittee – T. G. Lundquist 94

7.7 Underground Transformers & Network Protectors – C.G. Niemann 105

7.8 Audible Sound and Vibration – J.L. Puri 110

7.9 Bushings – F. Elliott 111

7.10 Dry Type Transformers Subcommittee – C.W. Johnson 114

7.11 Distribution Transformers Subcommittee – K. S. Hanus 119

7.12 Dielectric Test Subcommittee – L.B. Wagenaar 128

8.0 Editor’s Report – John Crouse 137

9.0 Meetings Planning Subcommittee – G.W. Anderson 139

10.0 Reports of Liaison Representatives 140

10.1 SCC4 – P.P. Payne 140

10.2 IEC TC 14 Technical Advisor to USNC - P. Hopkinson 140

10.3 CIGRE – J.C. Riboud 142

11.0 Old Business – D. J. Fallon 144

12.0 New Business – D. J. Fallon 144

Attachments 145

Prior meeting locations and Chairs 146

Standards Status Chart 147

Transformers Committee Organizational Chart 159


IEEE / PES Transformers CommitteeMeeting Minutes

Approved

1.0 Chair’s Report – D. J. Fallon

1.1 PES General Meeting Notes

The PES General Meeting was held in Montreal this summer from June 19-22. The TransformersCommittee was represented at PES Administrative meetings by Tom Prevost, Ken Hanus, Jin Sim,and myself. Committee member Derek Foster and participant Robyn Taylor also attended the newlyformed Technical Committee Advisory Board (TCAB), a group assembled to provide direct input onTechnical Committee views and concerns to PES President John McDonald. Tom Prevost chairedpresentations at two Paper Sessions sponsored by the Committee.

The schedule for upcoming PES General Meetings is as follows:• 2007: June 24-28 in Tampa, Florida.• 2008: July 20-24 in Pittsburgh, Pennsylvania• 2009: July 26-30 in Calgary, Alberta, Canada (Tentative)

PES Conference & Exposition (CE) schedules:• Power Systems (PSCE): October 29 – November 1, 2006 in Atlanta, Georgia• Transmission & Distribution (TDCE): April 20-23, 2008 in Chicago, Illinois

Technical Committees are encouraged to make more effective use of the PES monthly newsletter asa means to provide greater exposure for their activities. Submissions will be considered for publicationin virtually any area Committees choose (e.g. pictures, meeting summaries, significant projectscompleted, awards, etc.).

The Plenary Session topic was “Innovation and Reinvestment in Power Infrastructure” and includeddiscussion on Transmission challenges in the next decade and integration of new sources of energy.

1.2 PES Technical Council Activities

The Technical Council met at the PES GM on June 20. Items of note from the meeting follow:

1.2.1 Joint Technical Meeting SessionsWhen the PES schedule was changed and Winter Power meetings were discontinued, there wasno longer a venue that several Technical Committees had used at that meeting for additional WG,SC, or Committee meetings. A solution chosen was for PES to set up a winter venue for 3 daysof meetings, allowing Technical Committees to schedule individual meetings as needed.Coordination of schedule with PES as early as possible will help assure that room can be foundfor requested meetings, and our Committee’s activity leaders (SC and WG Chairs) areencouraged to consider making use of these venues if they might allow projects to proceed moreeffectively between our meetings. It may be too late to schedule for this coming winter’s session(January 8-10, 2007 in Orlando), but future sessions will be scheduled each January. To set upparticipation in these sessions for our Committee, contact should be made with the PES TechnicalCouncil (through our Committee officers) and directly with PES meetings coordinator JohnPaserba ([email protected]).


1.2.2 Proposal on Revision of PES Standardization StrategySwitchgear Committee Chair Jeff Nelson expressed concern that the present PESStandardization Strategy implies preference to IEC Standards when considering harmonization.He proposes revision of the Strategy to more effectively promote IEEE/PES standards, whilecontinuing to recognize need to harmonize appropriately with IEC and other internationalstandards. Wording of the present Strategy follows:PES Standardization Strategy

To achieve the objectives discussed in this article, the following specific strategies have beenestablished.

1. Work toward achieving globally harmonized standards that include essential regionaldifferences.a. For existing IEEE PES standards for which there are similar existing standards, conduct

an engineering evaluation of both standards and determine whether or not the IEEEPES standard should be maintained. For those that are to be maintained, harmonize theIEEE PES standard with the corresponding International Electrotechnical Commission(IEC) standard to the extent possible and include essential regional differences asnecessary. In addition, work with the technical committees of the IEC under the globalrelevance concept to have essential regional requirements included in IEC standards asnecessary. For those that are not to be maintained, the standard should be withdrawn.

b. For existing IEEE PES standards for which there are no similar existing IEC standards,promote the adoption of those standards by IEC under the dual-logo agreement betweenIEEE and IEC working in conjunction with the Institute of Electrical and ElectronicEngineers—Standards Association (IEEE-SA).

c. For new PES standards projects, focus on areas not currently covered by existingstandards elsewhere in the world, including essential regional requirements.

2. Provide leadership in the development of standards for new and emerging technologies.Coordinate identification of specific efforts with the manager, new technical programs, IEEE-SA.a. For areas of emerging technology within the scope of PES, identify specific areas

that could benefit from new industry standards and establish new standards projects todevelop them.

b. Cooperate with IEEE SCCs that are working on standards that relate to the scope ofPES and help to develop those standards.

c. Liaise early with the IEC to ensure globalization.

3. Improve the efficiency and effectiveness of the PES standardization processes.a. Employ an effective feedback process from standards developers to ensure that

continuous improvement ideas are considered.b. Continue to evaluate PES’s standards processes to determine how they could be

made more efficient. Initiate pilot projects to test the effectiveness of suggested newprocesses. Publicize successful new processes and facilitate their use in future standardsprojects.

c. Continue to evaluate and implement new tools that can help make better use ofparticipants’ time, maximize participation, and reduce the cycle time to produce standards.

d. Continue to ensure adequate participation by consumers and users of the productsthat are the subject of the standards , and participation by the product producers, as wellas general interest groups such as academia.


A proposed revision was reviewed at the meeting. The Transformers Committee had provided aresponse to the proposed revision indicating that we agreed with a need for revision to more effectivelypromote IEEE/PES standards in the harmonization process, but that we felt further modification wasneeded before we could approve the proposed revision. That was the direction of the additionaldiscussion on this issue at the meeting. The Switchgear Committee will take comments and provideanother proposed revision for voting within Technical Council. When that next revision is provided itwill be distributed to our Administrative SC for review.

1.2.3 Technical Council O&P Manual Update

Excerpting from the Technical Council Meeting Minutes (with additions in parentheses):Additional changes to the (Technical Council) O&P Manual were discussed. These changes fell

under the following areas:• To respond to AudCom’s review of the June 2004 Manual• To reflect recent changes in the model P(olicies) & P(rocedures) for standards-sponsoringgroups• To match actual IEEE-SA web-based processes• To clarify Technical Council officer appointments and the requirements of PES Bylaws• To incorporate procedures for: coordinating committee and standing committee membership;the role of standards coordinators; PES policy statements• To remove requirements for TCOP approval of subcommittee scope changes

The proposed changes, with some additional modifications, were approved unanimously. (Anamendment was proposed removing the requirement for Technical Council approval of TechnicalCommittee O&P Manuals, as these would already have been approved by the Technical CouncilO&P Committee at their Meeting. The amendment was approved and) the revised Manual will beforwarded to the Technical Council officers for final approval.

1.2.4 PDCC PES Policy Statement on Energy and the Environment

The PES Policy Development Coordinating Committee (PDCC) has continued its work on developmentof a PES Policy Statement on Energy and Environment. The most recent draft of this Statement,together with Background also provided by PDCC, follows. This version was submitted to Technicalcouncil for ballot:

POLICY STATEMENT ON ENERGY & ENVIRONMENT(Prepared by the IEEE-PES Policy Development Coordinating Committee)

STATEMENT

This policy statement is concerned with the increase in the production, delivery and use of electricalenergy, and its effect on the environment.

Abundant and economic energy is a key part of modern society. The harnessing of energy, and inparticular the use of electrical energy to replace human effort, has led to the high standard of livingtoday in the developed countries. Continued growth in the services that energy can provide will allowfor new levels of improved quality of life, particularly in developing countries. Because of thesefactors, energy is a global and commercial priority.

The IEEE Power Engineering Society encourages governments to promote research, development,commercialization, and utilization of energy as parts of comprehensive, national energy strategiesbased on:• Developing economic new sources of supply


• Developing the delivery infrastructure to meet changes in demand and supply• Improving energy efficiency in the production, delivery, and customer end use chain• Having due concern for the environmental impacts of energy developments.

While energy use will grow, prudent development must seek methods to minimize the negativeeffects of energy production, delivery and use, and must aim to reduce global dependence on fossilfuels. No single solution fits all situations. A comprehensive energy policy must consider all of theavailable options in an appropriate manner. The role of the customer in energy choice and usageshould be recognized. The value of diversity of energy resources and of technologies must berecognized, and over-dependence on any single fuel or energy source should be avoided wherereasonable. The finite nature of environmental and ecological resources must also be recognized.These resources must be managed wisely for current and future generations.

This statement was developed and approved by the Technical Council of the IEEE Power EngineeringSociety, and represents the considered judgment of a group of IEEE members with expertise in thesubject field. IEEE Power Engineering Society is an organizational unit of the Institute of Electricaland Electronics Engineers, Inc.

BACKGROUND

For the foreseeable future, fossil fuels will make up by far the greatest proportion of the globalenergy supply. Burning fossil fuels produces emissions to the atmosphere and water bodies thatimpact the environment and may affect human health. While the evidence connecting the observedrising concentration of carbon dioxide and the apparent increase in global temperatures is regardedby some as not yet conclusive, it is surely prudent to adopt strategies that strive for balance betweencarbon dioxide production and its consumption.

Furthermore, fossil fuel reserves are finite and likely to be significantly depleted sometime duringthis century. The present trend of increase in fossil fuel usage is therefore unsustainable. There is awindow of opportunity for a managed transition to reducing global dependence on fossil fuels byincreasing non-fossil energy sources.

1. Decision CriteriaEnergy decisions should include the evaluation of as many of the life cycle costs and benefits as arereasonably obtainable. These include the fixed and variable costs associated with energy sourcing,conversion, delivery and usage as well as the benefits to the economy, environment, and well beingof society. In addition, environmental impacts, to the extent possible and practicable, should beevaluated on a full life cycle basis and added to these costs. Fuel evaluation should includeconsideration of abundance and the costs of extraction, procurement, movement, waste disposal,and site restoration. Included in these evaluations should be the risks associated with security breachesand system failures. It must be recognized that some alternatives will be more economical andpractical in certain geographical areas. It must also be recognized that priorities in developing countrieswill differ from those in the industrialized world.

2. Energy OptionsThe IEEE Power Engineering Society urges support for programs that encourage the developmentof the following energy sources. The development should focus on options that are economical,practical and have minimal environmental impact.

§ biomass energy“clean” coalgeothermal energyhydroelectric energy


nuclear energyoil and natural gassolar energytidal and wave energywind energy

Environmental impact concerns can be a source of disagreement,, yet there can be no doubt that aprudent policy towards carbon emissions is appropriate. The issue can be addressed in many ways.We urge that in growing our energy systems, consideration be given to:-

energy efficiency, of both supply and demand, including use of heat and other by-productsenergy use reduction and demand-shifting based on incentivesdistributed resources that are closer to the point of energy usageenergy storage options, to increase the capability of power systems to absorb the output ofintermittent sources, such as wind and solarcarbon capture and storage, whereby the carbon of fossil fuels is not emitted to the atmosphereeconomic tools such as carbon taxes, emission trading, and customer incentives

Energy storage options, such as hydro inter-seasonal storage, hydro pumped storage,compressed air, flywheels, superconducting magnets, super capacitors, and batteries, should beconsidered where appropriate and environmentally acceptable. Such systems can increase thecapability of power systems to absorb the output of renewable (and intermittent) sources, such aswind and solar, and improve the economy of power system operations. Under the umbrella ofenergy storage options, research and development of the hydrogen economy and infrastructure isalso to be encouraged, with the caution that hydrogen alternatives should be carefully analyzed toensure that the net environmental (and economic) benefits are positive.

Energy efficiency should be recognized as an effective means of minimizing the needs for newenergy sources as well as negative impacts on the environment. Energy efficiency includes supply-side (for example, conversion efficiency, delivery system efficiency and combined heat and power)as well as demand-side end use efficiency improvements.

Customer demand response and customer involvement can only be fully achieved through improvedinformation infrastructure, user-friendly appliances, and market-driven tariffs. If customers can beincluded in the decision-making process of energy consumption, primarily through incentives toreduce or shift usage to a different time period, then these patterns would contribute to conservationand increased efficiency.

3. Power Delivery SystemsPower delivery systems are already technically advanced, but should not be overlooked in thedevelopment of energy resources. Many of the sources of energy that will contribute to futuresupply are not located close to the places where the energy is needed, so that the energy mustbe moved, often in electrical form, over sometimes very large distances. (Hydro and wind power,for example, cannot be moved by pipelines.) An energy transport infrastructure that includes botha power delivery system to connect generation resources with loads and comprehensivemonitoring and control systems to manage the power system will generally be needed.

4. Research & DevelopmentIncreased funding for research and development in both the public and private sectors is neededand strongly recommended. R&D should be focused on accelerating the advancement of technologyand environmental solutions for the priority strategies of increasing energy sources, improving deliveryperformance and improving energy efficiency. This is particularly important for those options that


have high commercial potential to improve fundamental energy economics and reduce dependenceon fossil fuels.

Renewable energy technologies still need R&D efforts not only for fundamental research, butincreasingly for development and implementation issues.

Nuclear energy represents a significant portion of current global energy supply and is one of themost economical energy sources today. In order to improve this source of non-carbon emittingbase-load generation, continued research should be committed toward passively safe advancedreactor designs and the long-term management of used nuclear fuel.

Fossil fuel reserves is another research area that is vitally important to energy strategy and theplanning of a comprehensive and credible assessment of the remaining global reserves that arecommercially viable is critical.

After a brief review period for the Administrative SC, The Transformers Committee provided a ballotof Approved with Comments to the proposed Policy Statement. The comments were related tosuggestion that an Energy Policy statement should include discussion of the reliability impacts ofaging infrastructure, and on the need for political decision makers to appropriately consult engineeringexpertise while forming policy on energy and the environment.

An update will be provided when the results of the Technical Council ballot are available. If you havecomments or questions related to this proposed PES Policy Statement, please see the CommitteeChair.

1.2.5 Transformers Committee Report at TC Meeting

The Technical Committees were requested to provide input at the Technical Council meeting onsignificant issues/activities and on actions taken to increase participation. Documentation of theTransformers Committee discussion at the meeting was forwarded to Technical Council, and is copiedhere:

I - Significant Issues:

1) The Transformers Committee, together with the Chair of the PES Standards CoordinatingCommittee, has written to the IEEE SA Standards Board asking for a hearing on two items ofconcern. The Committee has been concerned for some time with these two issues that, toour perception, are delaying some of our documents and requiring additional work by ourvolunteers. The issues are related to:a) Dual dimensioning in Implementation of the IEEE metrification policy – We understand

the need, and have been working to implement the IEEE metrification policy, but we alsorecognize and feel very strongly that safety concerns related to our product standardsresult in the need for dual dimensioning in these standards. The use of US customaryunits of measure are permitted as alternate units in the normative portion of the text, butlack of explicit approval of such use in PES standards seems to result in the need for re-review of this item each time a standard document is reviewed. We are requesting theStandards Board for an explicit statement authorizing such dual dimensioning in PESstandards.

b) The use of long established definitions, terminology and methods of expressingquantities used in IEEE/PES standards and well understood in the power industry - Wealso feel that the sponsoring technical committees represent the best consensusknowledge for determination of correct use of terminology and methods of expressingquantities. We do not minimize the importance of the review work of SCC14 in this area,


as most comments received in this regard are helpful in assuring uniformity and accuracyof terminology, but we do ask the Board to recognize the technical committee as theauthority in determination of appropriate use of such terminology.

We were prepared to discuss the above items at the recent Standards Board Meeting, but forvarious reasons (the extended duration of the meeting, availability of appropriate personnelto discuss alternate opinions, etc.) that requested discussion was tabled till a later date.

Notes of meeting discussion on these issues: (1) Jeff Nelson noted the Switchgear Committee’ssupport of our position on these issues. The Transformers Committee notes with appreciationthat support, and the similar support offered by other technical committees. (2) MalcolmThaden, member of the Standards Board, noted that the Board understands the seriousnessof these concerns and will address them, and suggested that additional provision of specificwording to clarify our position further would assist in that review.

2) The Transformers Committee is working to resolve a significant number of substantial negativeballot concerns related to Project PC 57.142 (A Guide to Describe the Occurrence andMitigation of Switching Transients Induced by Transformer and Switching Device Interaction).We are reaching out further to the Switchgear Committee to make sure that we understandand appropriately address the concerns expressed by many Switchgear Committee balloters.We will continue cooperative discussion with Switchgear Committee leadership to find commonunderstanding on how best to proceed with input from representatives of both committees.

The above items are presented as status updates. We will continue to work to resolve concerns ina manner consistent with IEEE/PES policy.

II – Means Used by the Transformers Committee to Increase Participation:

Participation, membership, and attendance at our meetings have grown consistently over the past10-12 years. Some of the actions taken that we believe contribute to this growth include:

• Including technical tours at all of our meetings• Including technical presentations (Tutorials) on hot topics of interest at all meetings• Encouraging Committee membership• Added emphasis on awards and recognition• Aggressively working to contain costs by establishing guidelines, procedures, standard

contracts, etc, for meetings planning• Including social events at all meetings, with emphasis on value at moderate price• Distributing Transformers Committee Flyer at Conferences and other industry meetings• Maintaining a Committee website with open access to information on activities (discretion of

Subcommittee and Working Group Chairs is used in determining whether specific documentsremain under open or more secure access)

• Newcomers Orientation is presented at each meeting and posted on the Committee website• Inviting students from local IEEE/PES Chapters to attend meetings at no charge

Updates since the Technical Council meeting in June on Issues 1 and 2 above will be provided laterin this report and at the Committee Meeting in Montreal.

1.3 Transformers Committee Activities

Progress since last meeting in several areas of concern for the Committee, together with notes ofCommittee interest, follow:


1.3.1 Coordination and Liaison Activities – Progress on PC57.142

As noted in Claus 1.2.5 above, the ballot on PC57.142 received a substantial number of negativeballots. Many of the ballot comments were from colleagues in the Switchgear Committee, andreflected concern that greater emphasis should be placed on the phenomenon of transformer mid-winding resonance as a result of interaction of all system components, rather than as termed aninteraction of transformer and breaker, and that sections related to breakers and switching devicesneeded enhancement. It had been the goal of the WG, under sponsorship of the PerformanceCharacteristics SC, to incorporate Switchgear Committee input, and as a result of the ballot processsignificant collaborative effort is now proceeding with participation from both Committees. Significantrevisions were made based on ballot review, and recently two conference calls - including onearranged during the Switchgear Committee Meeting - were held to discuss the revisions and continuethis joint effort,. The title and content of the document will be revised further to reflect this systeminteraction emphasis, and review will be made with IEEE to determine appropriate next steps for thisdocument. It has taken some time to reach this level of liaison and cooperation, and we are hopefulthat this effort will result in a useful and practical guide for the industry.

1.3.2 IEEE-SA MyProject Hierarchy Issue – PAR Applications

At our Spring Meeting in Costa Mesa, IEEE Staff discussed with us an issue on how Project ApprovalRequest (PAR) forms were to be completed. The issue was related to the different number ofhierarchy levels between what IEEE provides for in the PAR process and the organization of theTransformers Committee. The Committee agreed in Costa Mesa to designating our Subcommitteesas the “IEEE hierarchy WG” during the PAR application process. The Committee officers felt thatthis would allow and require an appropriate degree of oversight by our Subcommittee Chairs –working with the designated WG Chair - during the project development process, and would alsorequire the Subcommittee Chair to take specific action in assigning or designating our actual projectWG Chair as the project leader. It was the expectation of the Committee Officers that the actual WGChair would then follow the project through to completion. Additional implications of this decision –apparently requiring SC Chairs to take on additional responsibility that we feel should rest with theWG Chair – have resulted in reconsideration of the Costa Mesa decision. IEEE staff will provide anupdate in Montreal, but the interim solution we will be working with incorporates both the sponsoringSC and the WG name as the “IEEE hierarchy WG” for the PAR application process. We will discussspecifics at the meeting, and we will also continue to emphasize to IEEE our understanding of thepresent solution as an interim measure, and our desire for IEEE process to allow incorporation ofstructural hierarchy levels found in ours and other Committees as a more permanent solution.

1.3.3 Metrification and Terminology Issues (SCC14)

Progress has also been made on both these issues (outlined in Clause 1.2.5 above) since our lastmeeting. Conference calls were set up with representatives of our Committee and Bruce Barrow,Chair of SCC14, resulting in an open and constructive review of issues and concerns. These andsubsequent discussions led to action at the September Standards Board meeting approving a revisionto stage III Metrification Policy implementation using wording the Transformers Committee findsacceptable. The wording approved will be:

Stage III — After 15 September 2006: Proposed new standards and revised standards submitted forapproval should use metric units exclusively in the normative portions of the standard. Inch-pounddata may be included in parentheses after the metric unit if the sponsor believes that the audiencefor this document would benefit from the inclusion of inch-pound data, based on concerns for safetyor clarity. Metric units shall always be the primary unit of measurement.

Regarding our concerns for industry accepted terminology, there was general acceptance by theSCC14 Chair on the use of industry related terms, and when a “typical” listing was provided by Ken


Hanus for discussion virtually all of these terms were accepted. SCC14 will still maintain responsibilityfor assuring accuracy in documentation, but recognizes the significance of sponsor Committeeknowledge in such areas and the need for open dialogue when there are questions on clarificationof specific terms. We do not anticipate issues to the degree some of our WG Chairs had experiencedin recent SCC14 reviews, and will monitor the situation as additional approved ballots proceed throughNesCom and RevCom review.

1.3.4 TCAB – Transformers Committee Input

Subsequent to the Technical Committee Advisory Board meeting with PES president John McDonaldin June, TCAB members were asked to secure Committee responses to several questions. Comments/Responses as follows were provided by the Chair to TCAB member Derek Foster as input from theTransformers Committee:

1. Technical Paper handling remains a matter of concern to many Technical Committees. Theopportunity to present, discuss, and close the technical papers was a very valuable feature of ourmeetings, and is sorely missed. There was also a question of whether paper discussions andclosures could be provided to be available at the General Meeting and Conferences. We wereasked to comment on how many papers within our scope are submitted, and for an opinion ondocumentation of discussions for proceedings papers

Transformers Committee Comment:Within the past year, approximately 114 transformer related papers were submitted for considerationfor publication in the IEEE Transactions on Power Delivery. Review of these papers represents asubstantial effort, coordinated by our Committee Editor and supported by reviewers from within ourranks. The number of Proceedings papers submitted for PES General Meetings (GM) and for theT&D Conference & Expo (TDCE) and the Power Systems Conference & Expo (PSCE) are significantlyless: 5 papers presented in one session at the 2005 GM; 5 Poster Session papers and 13 PanelSession papers presented in two Panel Sessions at the 2006 (re-scheduled from 2005) TDCE; 10papers presented in two sessions at the 2006 GM. While there is typically some lively discussiongenerated by the presentations during the General Meetings and Conference and Exposition paperand panel sessions, we are not certain there would be a significant number of discussion submittalsmade after the meetings. That is just speculation, however, and we would not learn how muchresponse there would be unless the process for submittal and publication of discussions was set up.If other Technical Committees feel there is a need for such process, we would concur.

2. Poster paper sessions are seen as undesirable, if not downright failures. The authors are notencouraged by the fact that they are relegated to poster sessions, and many of them simply do notshow up.

Transformers Committee Comment:From our experience we concur that many authors do not consider Poster Sessions as valuable assessions during which they are able to present and discuss their work with a larger audience.

3. Does the Transformers Committee agree with the statement that “perhaps the review process (ofProceedings Papers) is lax”?

Transformers Committee Comment:We do not consider the review process (for Proceedings Papers) to be “lax”, rather we consider thereview process – and the quality of the papers accepted for Proceedings publication – to be thenatural outcome products of IEEE/PES guidelines for Proceedings Papers. For example, excerptingfrom the IEEE/PES Author’s Kit: Part 8: Reviewer and Editor Guidelines:


******************Reviewer ResponsibilityThe reviewer of a Proceedings paper has the responsibility to determine if the paper

will impart practical, usable information of contemporary interest to the industry.The subject need not be unique or unprecedented, though the theme should be ingeneral keeping with the goals of the meeting for which the paper is submitted.(….page limits…, schedule requirements…)

Acceptance or RejectionProceedings papers are published as part of the Conference Proceedings of the PES

General Meeting where the paper is presented. In addition to meeting the criteriaoutlined above, a Proceedings paper will only be accepted for the meeting if it:• is submitted in keeping with the published schedules• is submitted in the required formats with the required paperwork• addresses the topic in an appropriate manner• is of a technical rather than commercial nature• is more than simply a restatement of well-known technology• is judged to exceed a qualitative criterion of being elementary or trivial in itspresentation• does not exceed the eight-page limit.

******************Any author reading the requirements knows that the same degree of rigor need for TransactionsPapers is not required. We do not expect that same degree of rigor should be required, as the intentis to provide practical, useful information to the industry on a timely basis, and not necessarily toprovide a more scholarly treatise.

The schedule for the review process for papers submitted for the General Meetings – a tight scheduleoccurring over the winter holiday season, does also factor into the ability of reviewers to do the bestjob possible in review.

If there is concern that the review process is “lax” or that the quality of Proceedings Papers is“inferior” it would appear that a re-definition of requirements for Proceedings Papers – making therequirements more stringent – may be the place to start. It will be a difficult task to objectively definea level of quality somewhere between the presently defined requirements for Transactions Papersand Proceedings Papers, and we are not certain that presently defined requirements are inadequatefor the needs of Proceedings Papers.

4. There is a related desire to bring back the Winter Meeting, perhaps a meeting with its scoperestricted to Technical paper presentations and a meeting of as many Technical Committees aspossible. Does the Transformers Committee support the proposal for a second general meetingeach year, which would be used mainly for the presentation of technical papers?

Transformers Committee Comment:Based on the relatively moderate number of transformer related Proceedings Papers being submittedyearly, there would not appear to be a need (from a Transformers Committee perspective) for anadditional yearly meeting for paper presentation. There already are two – the GM and one Conference& Exposition. In addition, it is becoming more and more difficult for our members and participants tospend significant time away from their places of business and away from their standard businessresponsibilities. Attending another meeting might be problem for most of our participants.


5. The term of office of members in Technical Council seem too short to get acquainted with theprocedures of TC and make useful contributions. One thought would be to have a designatedmember of the Technical Committees to be a member of the Technical Council. Such a designatedmember may have a longer tenure (for example as done in the case of the Standards Coordinator inmany Technical Committees.) It was suggested that the term of office for the Technical Committeemember, in the Technical Council, be extended to six years, with an overlap between the outgoingmember and incoming member.

Transformers Committee Comment:The Transformers Committee is presently able, at times, to have another officer sitting in at TechnicalCouncil meetings as preparation for their moving to this position. We agree there is some merit tothe discussion that an extension of the term for members of Technical Council might allow for moreopportunity for useful contribution, but we also see value to the circulation of Committee officersthrough this position of responsibility. If the term of office for Technical Council members were to beextended, we would suggest it initially be for no longer than four years.

6. Should the Technical Committees be re-formed in order to reflect the state of the industry? Inparticular, the advances in technology have blurred boundaries between subcommittees and workinggroups of different technical committees. A possible model to consider is the CIGRE model forrestructuring.

Transformers Committee Comment:We would agree that there is a need for more focused liaison effort with other Technical Committeesin areas where there is an overlap of technology, but we are not certain that re-forming or re-structuringof our Technical Committees is the way to achieve that. Perhaps we need a more defined structurefor liaison activities - and perhaps even some PES oversight to help Committees realize when liaisonis required and to assure sufficient liaison effort is made.

The Committee can continue to make use of Derek Foster’s participation in the TCAB to bringadditional items of concern to the attention of the PES President.

1.3.5 Association Management (AM) System

All Committee members and active participants, and all individuals interested in TransformersCommittee activities, are reminded that virtually all communications on Committee meetings andactivities are handled through the Committee website (http://www.transformerscommittee.org/) andthrough electronic media. Contact information is maintained through our Association Management(AM) system, and administration of membership and meeting attendance records is facilitated bythe AM System. All Subcommittee and Working Group Chairs are encouraged to use the AM systemfor assigning membership within their groups and for communication with their group members. AllCommittee members, active participants, and interested individuals are reminded also that you areresponsible personally for maintaining the accuracy of your contact information, through the AMsystem, for Committee activities and communication. Updating your contact information in handwritingon a meeting roster does not result in updating your Committee contact information. Keeping yourcontact information maintained in the AM system assures that the Chair of any Subcommittee orWorking Group you are involved with will be able to communicate with you. Details on enrolling andmaintaining your contact information in the AM system can be found on the Committee website.The AM system also allows you to check the Committee record of your membership status in individualWorking Groups, Subcommittees, and the Main Committee. This can be done by checking yourPersonal Profile, and then clicking on Subgroup Details. If the Committee record does not matchyour record, please review with the appropriate WG or SC Chair.


1.3.6 Committee Membership

All are welcome to participate in the work of the Transformers Committee. Membership in theCommittee provides recognition of your peers and indication to your co-workers and managementof your active role in Committee work. If you are presently not a Main Committee Member, and youhave been actively participating in our work for at least one full year – and can secure theacknowledgement of at least 3 Activity Chairs (WG’s, but must include at least one SC Chair) affirmingthat participation, the Committee will look forward to welcoming you as a member. Membershiprequirements and application forms can be found in the Organization and Procedures Manual postedon the Committee website.

1.3.7 Acknowledgments

Frank Gryszkiewicz has forwarded his resignation as Chair of the Insulating Fluids SC. Frank willcontinue his participation in Committee activities, most likely mainly through correspondence, as hefocuses on family and health priorities. Rick Ladroga, who has been serving as acting Chair, willtake over as Subcommittee Chair. The Committee sends appreciation to Frank for his many years ofdedicated and knowledgeable service and leadership in the IFSC and the Committee, and we alsosend him best wishes for health and happiness. If anyone wishes to contact Frank, he can bereached via e-mail at [email protected] or by mail at: 6 A Street, Merrimac, MA 01860. We alsothank Rick for his capable leadership through this transition, and wish him well as he continues tolead the IFSC.I speak for Tom, Ed, myself, and all past Committee leadership, in indicating how very proud we areto work with each of you. Tom, Ed, and I ask your continuing support during our tenures, and wethank you for the service you provide – through your Committee work – to our industry, society, andthe communities in which we all live.

Respectfully submitted,Donald J. FallonChair, IEEE/PES Transformers Committee

1.4 Chair’s Remarks and Announcements at Main Meeting

Comments and announcements from the Chair at the start of the Main Committee Meeting on ThursdayOctober 26 included the following:

Since the time of our last meeting we note with sorrow the passing of one of our activemembers and colleagues from prior years, Bob Frazer. All were asked to honor the memoryof all our Committee colleagues who have passed on. We note also that good friend andcolleague Ernst Hanique recently contacted the Committee to advise that he has changedemployers and responsibilities, and will no longer be attending our meetings. We wish Ernstwell in all his future endeavors. Congratulations to Joe Kelly, whose IEEE membershipclassification will be raised to Life Senior Member, effective January 1, 2007

Thanks and appreciation were provided for the continuing IEEE Staff support at our meetings.Their active and knowledgeable participation in our Monday Standards Luncheon, and theiraccessibility during our meetings, aids our understanding of IEEE processes and proceduresand facilitates our work.

Special thanks and appreciation were provided to Thang and Tuyet Hochanh for all theirefforts in preparing for this meeting, and to all Thang’s colleagues at IREQ and Hydro-Québec


who assisted him in hosting this meeting. The meeting and arrangements were outstanding,and all enjoyed the joie de vivre, or hearty enjoyment of life, that typifies Montreal.

Thanks were also provided to the Technical Tour Hosts – IREQ, ECI, Bell Helicopter, ABB,AREVA, EHV-Weidmann; and to the Break Sponsors – Enerco, Siemens, ECI, and Opsens.The Committee recognizes the value of such support in providing learning opportunities andalso moderating costs for our attendees.

We have continued our practice of providing exceptional Tutorial sessions at our meetings.The Committee wishes to thank the Authors and Presenters at this meeting - Oleg Roizman,Valery Davydov, Jim Dukarm, Michel Duval, Lance Lewand, and Donald Lamontagne, andagain to acknowledge our appreciation to all prior Tutorial Presenters.

Sixteen applicants became new Committee Members at this meeting, in part due to the effortby Distribution Transformer SC past Chair (now Committee Secretary) Ed Smith, and presentSC Chair Ken Hanus, to review SC records for suitably qualified applicants. The Chair applaudsthis effort, and encourages all SC Chairs to perform similar review to urge active participantsto apply for membership..

With membership also comes responsibility to actively participate in WG and SC projects.Surveys are used at times to poll WG and SC members during development of documentDrafts, with the intent to improve the eventual ballot Draft by flushing out concerns, questions,and problems. In recognition of the effort expended in preparing Drafts for Survey, WG andSC members are strongly encouraged to respond. It does take time, but it will assure thatyour thoughts are considered in development of the ballot document, and it will facilitate theballoting process. Your WG and SC Chairs will greatly appreciate your assistance in thisarea, as several have noticed a trend towards minimal response to Surveys.

Technical Tours constitute one of the highlights of our meetings, and our tour hosts go toconsiderable effort and expense on our behalf. Please value that effort and expense, and ifyou do sign up for a tour – even if offered at no cost to the participant – honor your commitmentto attend. Recent experience included tours with a significant percentage of no-shows, andthat can give the impression that we are lacking in professionalism and courtesy. Certainlyschedule difficulties or work commitments can arise; in that case please notify the tour hostso that their expense will not be wasted, and so perhaps others on a waiting list may be ableto attend. Thanks for your consideration in this regard.

Two items of new business – actually questions - came up at the Administrative SC Meeting,and they will be forwarded to IEEE:

What are the IEEE requirements for document retention for WG Projects?What are the requirements for identification and acknowledging sources for figures inIEEE documents? Knowing the source for figures facilitates understanding theappropriateness of their inclusion in future revisions, and allows the standards user toenhance learning.

Our SC and WG Chairs perform invaluable service to the Committee in coordinating andguiding activities on the large number of standards document projects we are working on,and that leadership is greatly appreciated. Progress on projects is enhanced when meetingsare held and leadership is present for all active projects at our meetings. It is especiallyimportant, once meeting scheduled have been finalized, that individual WG meetings beheld as planned. Our attendees schedule their time and costs for attendance based on theschedule of expected meetings. Last minute work or personal needs can result in an activity


chair cancelling plans to attend, and so all WG Chairs are urged to appoint a vice chair and/or secretary to help assure continuity of progress if they are unable to attend.

In concluding his remarks, the Chair, speaking on behalf of all the Committee Officers,expressed appreciation to all members and participants in Transformers Committee work fortheir professionalism, dedication, accomplishments in developing and maintaining IEEEStandards documents, and for their camaraderie and fellowship in the performance ofCommittee activities. All were encouraged to keep up their great work.

2.0 Approval of Minutes from Spring 2006 Meeting – Donald Fallon

Chair asked that a motion be made to approve the minutes of the Spring 2006 (Costa Mesa, CA)meeting. A motion was made by Phil Hopkinson and seconded by Bill Chiu to approve the Spring2006, Costa Mesa minutes. The Minutes were unanimously approved.

3.0 Administrative Subcommittee – Donald Fallon

Chairman Donald Fallon covered the key points of the Administrative Subcommittee Meeting heldon October 22, 2006. Full details of the Minutes of the Administrative Subcommittee Meeting Minutesfollow.

3.1 Introduction of Members and Guests

IntroductionsIntroductions were made by members and guests

Members & GuestsThe following members of the Subcommittee were present:Gregory Anderson Bill Chiu Richard DudleyDonald Fallon Ramsis Girgis Ken HanusCharles Johnson Thomas Lundquist Loren WagenaarDonald Platts Thomas Prevost Fred ElliottH. Jin Sim Edward Smith (Ed) Rick LadrogaDan Mulkey Carl Niemann Jeewan Puri

The following members were absent:James Smith (Jim)

The following guests were present:Christina Sahr Dave Ringle Angela OrtizPeter Balma Thang Hochank Steve Shull

3.2 Approval of the Costa Mesa, California Meeting Minutes

Review of the unapproved minutes from the Costa Mesa meeting:Costa Mesa meeting minutes were approved as printed


3.3 Agenda Review

Agenda ReviewIEEE/PES TRANSFORMERS COMMITTEEADMINISTRATIVE SUBCOMMITTEE MEETING - AGENDA

Delta Centre-Ville Hotel; Montréal, Québec CANADA – Room Cartier ASunday October 22, 2006 - Call to Order 2:00 pm

1. Introduction of Members and Guests (:05)

2. Approval of Costa Mesa CA Admin SC Meeting Minutes (:05)

3. Additions to and/or Approval of the Agenda (:05)

4. Meeting Arrangements, Host Report, and Committee Finances4.1 - F’06 – Montreal – Thang Hochanh (:05)4.2 - Meetings/Finances - GW Anderson (:10)

5. IEEE Staff – Angela Ortiz, Christina Sahr, Dave Ringle5.1 - Update on IEEE Issues (:10)5.2 - - MyProject and Transf. Comm. Hierarchy in new PAR submittal process (change

since last meeting) (:10)

6. Committee Service Awards – KS Hanus (:05)

7. Chair’s Report – DJ Fallon (:05)

8. Vice Chair’s Report – T Prevost (:05)

9. Secretary’s Report – Ed Smith (:05)9.1 - Membership Review (:15)

10. Break (:10)

11. Standards Report - B Chiu (:35)

12. Subcommittee Reports - Roundtable (:25)

13. Old Business (:20)13.1 - Coordination and Jurisdictional Issues (including update on PC57.142)13.2 - Facilitating Standards Development Process

• Update on Metrification and terminology issues, SCC14 coordination (maybe covered under Agenda item 5 or 11)

13.3 - Other

14. New Business (:20)14.1 - Committee sponsorship of educational courses/training (discussion of issues, if

time allows)14.2 - Other

Adjourn


3.4 Meeting Arrangements, Host Reports, and Committee Finances – G.W. Anderson

3.4.1 Meetings Arrangements

Meeting Arrangements SCMeeting attendance (preliminary as of 10/22/2006) for Montreal is:Attendance 404Spouses 85Sunday Reception 386Monday Standards Luncheon 119Tuesday Speaker Luncheon 208Wednesday Dinner Social 237Sunday Trip to Quebec 53Sunday IREQ Tour 113Monday Bell Helicopter Tour 54Monday ECI Tour 54Tuesday ABB Tour 50Thursday AREVA Tour 4Thursday Weidmann Tour 8

IEEE TC Web access key code is 8006784333

Starting with the Dallas, Texas meeting registration will only be available “on-line”. Nopaper or “walk-up” registration will be available.

Future Meetings:S07 (March 11-16) – Dallas Texas, Hilton Lincoln Centre hotel near airport, hosted by TXUElectric Delivery and Ken Hanus

F07 (October 14 - 18) – Minneapolis, Minnesota, hosted by Sue & Paul McNelly, EXCELEnergy

S08 (date TBD) — southern US location (hopefully either Phoenix, San Antonio, Miami, orCharlotte)

F08 (probably early October) — Porto, Portugal ... Sheraton Hotel, rate will be slightly lessthan US$100

Everyone should encourage active participants to become a “Transformers Committee”member.

3.4.2 Finances

Meeting Finances:Balance before the “Fall 2005” Memphis, TN meeting $18,793.02Balance before the “Spring 2006” Costa Mesa, CA meeting $1,729.81Balance before the “Fall 2006” Montreal, Canada, meeting $17,014.33


3.5 IEEE Staff – Angela Ortiz, Jodi Haasz, Chris SahrRepresenting IEEE at the Administrative Subcommittee Meetings wereJodi HaaszChristina SahrDave Ringle

Christina Sahr reviewed IEEE IssuesProCom discussions and changes to SA Operation Manual and BylawsL50 S Reporting – penalty for failure to comply with audit requirementsDisclosure of AffiliationPrevention of DominanceWorking Group Rosters vs. Project Rosters

Update on myProject Activity TreeLevel 1 Activity = Society

IEEE Power Engineering SocietyLevel 2 Activity = Sponsor

IEEE Transformers CommitteeLevel 3 Activity = The Working Group

Bushing – WG C57.19.00Level 4 Activity = The Project

PAR for C57.19.100 Revision

myProject and the FutureRobust integration with Standards DevelopmentUser Control panel clean upUsability StudymyBallot Satisfaction SurveyWorking Group VotingRoster ManagementAutomated PAR Submittal & acceptance

3.6 Committee Service Awards – Ken Hanus

The Awards Report is included in Section 6

3.7 Chair’s report – Donald Fallon

The Chair’s report is included in section 1.

3.8 Vice Chair’s report – Tom Prevost

The Vice Chair’s report was distributed prior to this meeting and is included in Section 4


3.9 Secretary’s Report – J. Ed Smith

3.9.1 Membership Review

Membership Review

Voting Members – Four new members were added at the last meeting in Costa Mesa:

• David S. Blew Public Service Electric & Gas User

• Kipp J. Yule Bechtel Power User

• Craig Swinderman Mitsubishi Electric Power Products Producer

• John Graham Trench UK Limited Producer

Welcoming letters will be sent to these new members. Again our aim is to encourage activeparticipation in the work of the Committee, and encourage all participants to become membersof the Committee.

We will continue working with all Subcommittee Chairs on a new member sign-up campaign.

As a continuing reminder, the classification Corresponding Member needs to be defined inthe next update of the Committee O&P Manual. This classification should hold the samestatus as that of regular Member.

Membership, including changes made at the Costa Mesa meeting now stands at:

Members - 202

Active : 177

Life Members 17

Corresponding Members - 1

Emeritus Members - 7aa

Active Participants 249

Interested Individuals 395

The committee database is now fully converted to the 123sign-up committee AM system.

3.9.2 New Member Application

New Member Applications

16 New applications for Committee Membership have been submitted for:

• Kevin dela Houssaye Cooper Power Systems Producer

• Guy Morrissette Siemens/VA Tech/FP Producer

• Iqbal Hussain ABB Producer

• Chris Ten Hagen GE Producer

• Gael Kennedy NPPD User


• Paul Buchanan Moloney Electric Producer

• Mike Hardin Kuhlman Producer

• Charles Drexler KAEC Producer

• Al Traut Kuhlman Producer

• Jane Ann Verner PEPCO User

• Brian Klaponski CARTE Producer

• Chris Ploetner Siemens Producer

• Bruce Forsythe Southwest Electric Producer

• Jeremy Guardado Messerstrom Producer

• Jim Shekelton H-J Enterprises Producer

• Tom Holifield Howard Producer

These applications will be reviewed at the Administrative Subcommittee meeting. TheCommittee welcomes and encourages active participants to become Members of theCommittee. Requirements and application forms can be found in the Organization andProcedures (O&P) Manual, accessible on the Committee website. Subcommittee Chairs areencouraged to recommend new members, and to communicate to applicants awarenessthat Membership is a privilege gained through active participation in Committee work at theWG and SC level. WG and SC Chairs are reminded also that signing an application sponsoringa new member signifies their understanding that the applicant has met the requirement ofmembership and active participation for at least one year in the WG or SC they Chair. Newmember applications can be forwarded to the Secretary’s attention at any time for review atthe next AdsubCom meeting.

Note added subsequent to submittal of Secretary’s Report – Action was taken on theseapplications during the Montreal Meeting and all of the above listed applicants were approved for Committee membership. Congratulations and welcome to our new members.

3.9.3 Committee and Subcommittee Directory Roster

In order to provide indemnification to working group and subcommittee members it is crucialthat membership lists be maintained. Fortunately the new AM system should make this simpleto administer. It is important that each Subcommittee and working group chair keep the rostersupdated so that this information can be provided to the IEEE SA.

3.9.4 Meeting Minutes

The minutes of the Costa Mesa Spring 2006 transformers committee meeting were posted tothe committee website on Friday, September 8, 2006.

The minutes of the Costa Mesa Spring 2006 meeting were mailed on September 6, 2006, tothose who ordered printed copies during meeting registration. 68 registrants ordered printedcopies of the Minutes. The cost of previous minutes were:


Raleigh (Spring ’03) $3946.82

Pittsburgh (Fall ’03) $714.27

San Diego (Spring ’04) $1481.77 (78 @ $13.60 ea. + $357.17 postage)

Las Vegas (Fall ’04) $1084.56 (60@ $12.76 ea. + $319.17 postage)

Jackson (Spring ’05) $661.44

Memphis (Fall ’05) $643.07 (Mailing $468.07 + Copy $175)

Costa Mesa (Spring ’06) $723.64 (Mailing $263.64 + Copy & Supplies$460)

Subcommittee Chairs are requested to submit their SC Minutes for the Montreal, Quebec,CANADA Meeting by December 7, 2006. Minutes should be submitted via e-mail to the Secretary([email protected]), with a copy to Susan McNelly ([email protected]) for posting on theCommittee website. The submittal should be formatted in Word 2000 (or earlier versions) andshould be formatted in the format as shown in the present assembled Minutes, with numbering asindicated in Main Committee Meeting Agenda. Please indicate total attendance count for eachSubcommittee, Working Group, and Task Force meeting in your Minutes. Please do not send acopy of the attendance listing for this attendance count. If a SC Vice-Chair, Secretary, or otherSC member is preparing the SC Minutes, please let them know these details about Minutessubmittals.A reminder for the December 7th date will be sent to each Subcommittee Chair on ThursdayNovember 30, 2006. It is important for the Chairs to note the holidays coming up around this timeframe and complete their submittals accordingly. I know we are all busy but delaying this taskuntil after the first of the year could cause problems finalizing the publication and posting prior toour next scheduled meeting. In the future all Subcommittee Chairs should plan on completingand submitting your minutes and documents for publication in the posted minutes immediatelyfollowing the meeting (with in several weeks).


3.10 Standards Subcommittee – B. Chiu

3.10.1 Meeting Attendance

a. The Standards Subcommittee met on Wednesday, October 25, 2006, at 4:30 PM.There were 22 members and 13 guests present, with 4 requesting membership.

3.10.2 Approval of previous meeting minutes

a. The meeting minutes from the spring 2006 meeting in Costa Mesa was approvedas written.

3.10.3 Standards subcommittee secretary.

a. After this meeting, current secretary Javier Arteaga will leave this position and avolunteer will be seek to continue the work in the subcommittee.

3.10.4 Working Group Reports.

a. C57.144 - Guide for Metric Conversion of Transformer Standards

i. Bill Chiu indicated that the process to revise/reaffirmed this standard needsto start in 2007, and a Chair is required to lead these efforts.

ii.We will solicit for a volunteer at the General Meeting to take on this effort.Preferably an active member in the Distribution Transformer Subcommittee.

b. Continuous Revision of C57.12.00, Dong Kim WG Chair, and C57.12.90 StephenAntosz WG Chair.

i. Both standards were approved by RevCom on September of 2006 and willbe published after their editorial review. It is expected that the standards willbe published in 2006.

ii.Both documents can now be used by the different working groups for thedevelopment of their work.

iii. All unresolved comments received during the balloting process willbe directed, by the Chairs, to the appropriate subcommittees for their reviewand discussion within their working groups.

iv. After the documents are published, a new PAR will be submitted tocontinue their revision.

c. C57.12.80 – IEEE Standard Terminology for Power and Distribution Transformers –Tim Raymond, WG Chair

i. The amendment to the PAR was submitted to add the definition of thermalupgraded paper. When this is approved, the document will be balloted.

ii.After the new revision is published, a new PAR will be issued in order toincorporate other definitions already identified.

iii. Chair requested to the working groups of all subcommittees to sendhim new definitions identified during the development of their work.

d. C57.12.70 – IEEE Standard Terminal Markings and Connections for Distributionand Power Transformers – Steve Shull, WG Chair.

i. Bill Chiu indicated this document was reaffirmed and the commentsreceived make necessary to start the revision process of this standard.

e. TF on IEC/IEEE Cross Reference - IEC TC10, TC14, TC36 and TC98 – SteveBeckman, TF Chair.


i. The scheduled meeting was cancelled and no report was issued.

ii.Chair indicated that a new Task Force Chair is required. Jim Sim agreed tolead the review process. He will provide the cross reference for IEC TC14and requested volunteers to take the additional work.

iii. Peter Zhao will prepare the cross reference for TC36 and othervolunteers will be required during the general meeting.

iv. A. Molden has prepared a cross reference between IEEE C57.98and IEC 60060-3 and the resulting document is extensive. Based on this, itwas decided not to publish a technical paper with the entire crossreferences, but a comparative table.

f. TF on Coordination of IEEE 62 – IEEE Guide for Diagnostic Field Testing of PowerApparatus – Part 1: Oil Filled Power Transformers, Regulators and Reactors –Loren Wagenaar, TF Chair.

(Minutes from the Task Force is attached)

Task Force on Coordination of IEEE 62, Guide for Diagnostic Field Testing of Electric PowerApparatus – Part I: Oil Filled Power Transformers, Regulators and Reactors

Minutes of October 24, 2006 Meeting held in Montreal, Quebec

Chair Wagenaar opened the meeting at 9:30 am with introduction of 13 members and 28 guests.In accordance with IEEE policy, the Chair asked if there were any patents related to the work ofthe task force. There were none.

Minutes of the previous meeting, held in Costa Mesa, CA on March 21, 2006 were approved aswritten.

It was agreed at the Costa Mesa meeting that volunteering members would review sevenassociated guides and standards for the purpose of comparing the content these documents withIEEE 62. They would then point out the overlapping scopes and conflicts to Jin Sim, whovolunteered to coordinate these findings. Results were received from most of the individualsassigned and indicate that:

1. There is duplicate information between IEEE 62 and the other documents.

2. There are conflicts in the information given in IEEE 62 and the other documents. Thisdemonstrates the need to state this information in one and only one place.

3. There is at least one case where the present information in IEEE 62 is incorrect. This wasbrought about because of the advancement of knowledge since IEEE 62 was last revised.

These results emphasize the point that there is a need to have this information in one place. Noone argued to drop the document altogether, and it was thought that if it were dropped, servicepeople could possibly continue to use the current revision instead of referring to the proper up todate document. No one thought the information should be contained in an untold number ofseparate documents.

The ideal document would contain all information pertaining to what the service people in the fieldneed to maintain a transformer in the field. He typically does not want to pull this info out of his


laptop, if he has one, from a number of standards. Ideally, this information would not appear inany other document maintained by the Transformers Committee. However, from a more practicalaspect, this may not be workable solution in some cases because the expertise resides in thevarious technical committees.

Historically, IEEE 62 has been used by service people to install and maintain transformers. It wasstated that hundreds of municipalities use IEEE 62.

The question of whether to include information pertaining to installation of new transformers wasalso discussed at length. The primary argument for inclusion included the fact that the initial testson a transformer were the baseline tests for future comparisons. The primary argument againstinclusion was that guidelines for installation of a new transformer are typically specified by themanufacturer, and acceptance criteria do not belong in any standard unless there is agreement ofconcerned members regarding the specific standard covering the product being tested.

A straw vote was taken among the members present on their preference on the following threeoptions:

Option 1 - Should IEEE 62 be dropped as a guide?Option 2 – Should IEEE 62 be included in another guide such as C57.140?Option 3 – Should IEEE 62 be maintained and where possible, be the only source of the

information pertaining to field testing?

Options 1 and 2 received absolutely no votes. Support for Option 3 was overwhelminglyunanimous.

On the question of whether installation of new transformers should be included in IEEE 62, thevote was 23 for and 1 against. Although the results of the straw vote were clearly in favor ofinclusion of new transformers, this issue promises to be a sticky one in future discussions.

It was also the opinion of the task force that this document should be under the Standards SC andbe considered as a guide for continuous review, in a manner similar to C57.12.00 and C57.12.90.

Another question asked was should the document continue to be called IEEE 62, or should it be aC57 number? This question was not addressed since it was not within the scope of the task forceto decide. However, it will have to be considered in the future.Chair’s note: This issue was later discussed at the Standards SC meeting on Oct. 25 that therevision would have a C57 number, as do all documents revised within the TransformersCommittee.

A recommendation in accordance with the discussion will be made to the Standards SC. Thedirection of this task force will be determined by the Standards SC and the AdCom.Chair’s note: The recommendations to: 1) Revise IEEE 62 to be, wherever possible, the solesource of information pertaining to field testing, and 2) Consider the document as a guide forcontinuous revision, were approved by the Standards SC.

With the recommendations offered by the task force being accepted by the Standards SC, thework of the task force is considered complete, and it will not meet at the next meeting.

Submitted by Loren Wagenaar


i. The Standards Subcommittee voted to approve the recommendations of theTask Force and this document will be reviewed to bring it up to date underthe Standards Subcommittee.

ii.A volunteer will be requested to lead these efforts during the GeneralMeeting. Since the Standards Subcommittee does not have all the properexpertise, it will delegate some tasks to other subcommittees.

3.10.5 Old Business

a. IEEE/IEC Dual Logo

i. IEEE C57.123 – IEEE Guide for Transformer Loss Measurement – Is in theprocess for dual logo. IEEE Standards submitted standard to IEC TechnicalCouncil and is waiting for resolution.

ii.Ken Hanus recommended considering C57.12.15 - IEEE StandardRequirements, Terminology, and Test Code for Step-Voltage Regulators – asthe next standard for dual logo. He indicated the IEC does not have astandard for this type of transformers.

b. References to NEC 2005, IEEE 1584, NFPA 70E on arch Flash analysis clothingthermal approach boundary, safety approach distance.

i. Mr. Rossetti indicated that safety experts in their company consider that thiscode applies to personnel without training that qualifies them to performelectrical work.

ii.Steve Beckman indicated that its main application is in the transformer’scontrol cabinet.

iii. It was mentioned that under development standard C57.148-Standard for Control Cabinets for Power Transformers – is alreadyincorporating references to NEC 2005

iv. There was a strong opinion of the subcommittee that this code doesnot belong to the transformer committee and no action will be take at thistime.

c. IEEE-SA Standards Board Implementation Plan for Policy 9.19 (Metrification Policy)

i. IEEE Metric Policy 9.19 is available in the IEEE’s Website and needs to beconsulted by subcommittee during the development of their work.

ii.When safety considerations are involved, units in the English system can beutilized, with the conversion to the International System of Units (SI) inbrackets, otherwise, the units are expressed in the SI system, with itsconversion to the English system in brackets as outlined in IEEE/ASTM SI10.

3.10.6 New Business

a. C57 Collection of Standards


i. IEEE-SA will support the Transformers Committee in issuing a new C57Collection of Standards in CD version

ii. It will be offered during our next meeting in Dallas, in the spring of 2007, ata discount price.

iii. The collection will include the latest revisions available, specially theexpected revisions in 2006 for standards C57.12.00 and C57.12.90.

3.10.7 Adjournment

The meeting adjourned around 5:30PM


3.11 Round-Table: Subcommittee Activities - Subcommittee Chairs

3.11.1 HVDC Converter Transformers & Smoothing Reactors - Richard DudleySee Full Report in the Main Committee Minutes

3.11.2 Instrument Transformers - J. E. SmithSee Full Report in the Main Committee Minutes

3.11.3 Insulating Fluids – R. LadrogaSee Full Report in the Main Committee Minutes

3.11.4 Insulation Life – D. W. PlattsSee Full Report in the Main Committee Minutes

3.11.5 Performance Characteristics – R. S. GirgisSee Full Report in the Main Committee Minutes

3.11.6 Power Transformers – T. LundquistSee Full Report in the Main Committee Minutes

3.11.7 Underground Transformers and Network Protectors – C. NiemannSee Full Report in the Main Committee Minutes

3.11.8 Audible Sound and Vibration – Jeewan PuriSee Full Report in the Main Committee Minutes

3.11.9 Bushings – P. ZhaoSee Full Report in the Main Committee Minutes

3.11.10Dry-Type Transformers – Chuck JohnsonSee Full Report in the Main Committee Minues

3.11.11Distribution Transformers – Ken HanusSee Full Report in the Main Committee Minutes.

3.11.12Dielectric Tests - L. B. WagenaarSee Full Report in the Main Committee Minutes

3.11.13Meetings & Planning - Greg AndersonSee Full Report in the Main Committee Minutes

3.12 Old BusinessCoordination and Jurisdictional Issues (including update on PC57.142)

Facilitating Standards Development Process

Update on Metrification and terminology issues, SCC14 coordination (may be coveredunder Agenda item 5 or 11)

Other


3.13 New BusinessCommittee sponsorship of educational courses/training (discussion of issues, if timeallows)

Chuck Johnson needs four more working groups sessions at the next meeting due toseveral NEMA documents being transferred to IEEE

Need ruling from IEEE for how long WG & SC need to retain back-up documentation forStandard activity before discarding.

Minutes need to be somewhat more comprehensive and detailed. Further discussion isnecessary

3.14 AdjournmentMeeting was adjourned by Don Fallon at 5:45pm

Respectfully submitted,James Edward Smith, Secretary

4.0 Vice Chair’s Report – T. A. Prevost

The following items report on activities of PES Committees on which the Vice Chair serves asCommittee representative.

4.1 Technical Paper Sessions

4.1.1 Technical Paper Session at the 2006 PSCE. The IEEE PES Power Systems Conference andExposition will be held in Atlanta, Georgia on October 29-Nov 1, 2006. The venue for this conferencerecently moved from the Marriott Marquis to the Sheraton, Atlanta hotel.

Nine technical papers will be presented during the “ Transformers” session of the PSCE:

Papers at PSCE:

PAPER-12.1: Time-Domain Analysis of Transformers by Using Modified Nodal Equations

PAPER-12.2: ANN Ensemble and Output Encoding Scheme for Improved Transformer Tap-changer Operation

PAPER-12.3: High frequency power transformer modeling for Power Line CommunicationapplicationsPAPER-12.4: Simulation of single-phase nonlinear and hysteretic transformer with internal faultsPAPER-12.5: Estimation of Transformer Inrush Current under Harmonic Source

PAPER-12.6: Furfural Concentration in Transformer Oil as an Indicator of Paper Ageing, Part 1: AReview

PAPER-12.7: A Transformer Thermal Model for use in an on-line Monitoring and DiagnosticSystem


PAPER-12.8: Researches viewing the loading level on electro insulating oil state from the electricpower transformers

PAPER-12.9: An Automated On-line Monitoring and Fault Diagnosis System for PowerTransformers

4.1.2 2007 PES General Meeting Tampa, Florida. The 2007 IEEE Power Engineering Society 2007General Meeting will be held 24 – 28 June 2007 at the Tampa Convention Center and theMarriott Waterside Hotel in Tampa, Florida, USA.

The theme of the meeting is Powering the Future, Today.

The preferential topics for the meeting are as follows.Track 1: Understanding and Responding to System–Wide Events, covering such topics as:• The Northeast Blackout of August 2003• Physical and cyber security concerns• Line loading, interconnect issues, IPPs

• Operating strategies under reduced generation availability (extreme contingencies)• Releasing excess capacity through VAR control

Track 2: Securing New Sources of Energy, covering such topics as:• Inherently safe nuclear reactors, clean coal technologies, gas turbine peaking units• Solar, wind, tidal, geothermal, biomass, fuel cells• Dispersed generation

Track 3: Improving Reliability and Power Quality, covering such topics as:• Power electronic switching (sub-cycle source transfer, plant-wide UPS units)• Super-conducting energy storage

• Advances in SCADA systems (closed loop systems, advanced communications)

Track 4: Using Innovative Measurement and Control Techniques to Improve CustomerService, covering such topics as:• Advanced protection algorithms, system modeling, economic dispatch• Fault locating, down conductor detection• Optical sensing, non-standard instrument transformers

Track 5: Surviving New Markets and New Structures, covering such topics as:• Software tools (load flow, fault analysis, risk assessment, economic analysis)• Bundled services and other new post-deregulation economic models• Improving power engineering education

Submission Requirements: Full 6-8 page papers must be prepared in accordance with theprocedures outlined in the PES Authors Kit, available on the PES web site (home page URL:http://www.ieee.org/power.) Full papers must be submitted to the on-line submission and reviewsite; a link to the site will be available from the PES home page on or about 16 October 2006. Allpapers must be submitted by 11 December 2006. Authors are strongly encouraged to submitpapers by 1 December so there will be ample time for review, feedback and revision if necessary.Authors will be advised via email of acceptance or rejection of the paper by 12 February 2007. Ifrevisions are required, authors will be notified prior to that date. At least one author of each papermust register for the meeting and pay the appropriate fee before an accepted paper will be


released for publication in the 2007 PES General Meeting Proceedings or scheduled forpresentation during a technical session. Note: Registration deadline for authors may be earlierthan the general registration deadline.Additional information about the meeting will be posted as it becomes available on the conference website at http://www.ieee.org/power.

4.2 Committee Organization and Procedures Manual

The Transformers Committee O&P Manual revision is currently in process.

4.3 Power & Energy Magazine Submission

The Transformers Committee needs to prepare an article for P&E magazine. The Vice-Chair will belooking for topics and volunteers to prepare this article. If you have any thoughts please contact theVice-Chair.

Respectfully submitted,T. A. PrevostVice Chairman


DATE: October 18, 2006

TO: Members of IEEE Transformers Committee, October, 2006 Meeting @ Montreal, Canada

FROM: Bill Chiu, Standards Subcommittee Chair

IEEE /PES Transformers Committee

SUBJECT: PE/TR Standards Activities since the March, 2006 Meeting (Costa Mesa, CA)

_________________________________________________________________________________________

TRANSFORMERS STANDARDS STATUS

The detail status of the Transformers Committee sponsored standards are shown in the attachment entitled IEEE/PES

Transformers Committee Status Report of Standards, Dated 10/18/2006.

The report is a list of all the transformer related standards under the sponsorship of IEEE Power Engineering Society

Transformers Committee (PE/TR). The standards are grouped by Subcommittees and sorted by document numbers. The

report also contains the active PARs under the responsible Subcommittee.

IEEE/IEC DUAL LOGO STANDARDS

Currently there is only one document that has obtained the IEEE/IEC dual logo status:

C57.135-2001 – IEEE Guide for the Application, Specification, and Testing of Phase-Shifting Transformers

(Approved by IEC TC 14 as of December, 2004)

The corresponding IEC document number is:

IEC 62032 Ed. 1: Guide for the Application, Specification, and Testing of Phase-Shifting Transformers (IEEE Std.

C57.135-2001)

There were no additional IEEE/IEC dual logo standards approved during this period. The next standard targeted for the

IEEE/IEC dual logo approval process is:

C57.123 – IEEE Guide for Transformer Loss Measurement

DOCUMENTS PROCESSED BY THE IEEE STANDARDS BOARD The following sections list all the PE/TR documents processed by the New Standards Committee (NesCom) and the

Standards Review Committee (RevCom) of the Standards Board since the March, 2006 meeting in Costa Mesa, CA.

NEW STANDARDS COMMITTEE (NesCom)

EXISTING PARS – EXTENSION & MODIFICATION

PC57.12.00 Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers

(Deferred from the December 2005 meeting)

Recommendation: Approve target extension request for PAR until December 2007.

(Note: D3 approved by RevCom 9/15/2006)

PC57.12.10 Standard Requirements for Liquid-Immersed Power Transformers


PC57.12.37 Standard for the Electronic Reporting of Distribution Transformer Test Data




PC57.12.38 Standard for Padmounted Type, Self-Cooled, Single Phase Distribution Transformers; High Voltage, 34500

GrdY/19920 Volts and below, Low voltage, 240/120 Volts; 167 kVA and smaller

Recommendation: Approve modified PAR until December 2009.

PC57.12.40 Requirements for Secondary Network Transformers, Subway and Vault Types (Liquid-Immersed)

5.0 Transformer Standards


Standards Subcommittee Report

October 18, 2006

Montreal, Canada

Page 2 of 8




PC57.12.90 Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers




PC57.130 IEEE Trial-Use Guide for the Use of Dissolved Gas Analysis during Factory Temperature Rise Tests for the

Evaluation of Oil-Immersed Transformers and Reactors



PC57.143 Guide for Application for Monitoring Equipment to Liquid-Immersed Transformers and Components

Recommendation: Defer the PAR until December 2006. Ken Hanus designated as the mentor.

PC57.93 Guide for Installation and Maintenance of Liquid-Immersed Power Transformers

Recommendation: Approve modified PAR until December 2007.

PC57.98 Guide for Transformer Impulse Tests


NEW PARS FOR REVISIONS OF STANDARDS OR NEW STANDARDS

PC57.104 Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers

Recommendation: Approve PAR for the revision of a standard until December 2010.

PC57.12.20 Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage, 34 500 Volts

and Below; Low Voltage, 7970/13 800Y Volts and Below


PC57.12.51 Ventilated Dry-type Power Transformers, 501 kVA and Larger, Three-Phase, with High-Voltage 601 to 34500

Volts; Low-Voltage 208Y/120 to 4160 Volts - General Requirements

Recommendation: Approve new PAR until December 2010.

PC57.19.100 Guide for Application of Power Apparatus Bushings


PARS DUE TO EXPIRE AT THE END OF 2006

PC57.106 - Guide for Acceptance and Maintenance of Insulating Oil in Equipment

PC57.12.36 - Standard Requirements for Liquid-Immersed Distribution Substation Transformers

PC57.139 - Guide for Dissolved Gas Analysis in Transformer Load Tap Changers

PC57.140 - Evaluation and reconditioning of Liquid Immersed Power Transformers

(Note: D18 submitted to RevCom on 9/5/06, pending review and approval in December, 2006.)

PC57.142 - A Guide To Describe The Occurrence And Mitigation Of Switching Transients Induced By Transformer-

Breaker Interaction

PC57.143 - Guide for Application for Monitoring Equipment to Liquid-Immersed Transformers and Components

PC57.32 - Standard Requirements, Terminology and Test Procedures for Neutral Grounding Devices

STANDARDS REVIEW COMMITTEE (RevCom)



October 18, 2006

Montreal, Canada

Page 3 of 8

REVISED STANDARDS

PC57.12.00/D3 (PE/TR) Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating

Transformers

Recommendation: APPROVE

PC57.12.37/D11d Standard for the Electronic Reporting of Distribution Transformer Test Data


PC57.12.40/D4 Standard Requirements for Secondary Network Transformers, Subway and Vault Types (Liquid-

Immersed)

Recommendation: APPROVE [Vote: Yes=7; No=0; Abstain=1 (Thompson)]

PC57.12.90/D3 Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers


REAFFIRMATION OF EXISTING STANDARDS

638-1992 (R1999) IEEE Standard for Qualification of Class 1E Transformers for Nuclear Power Generating Stations


1276-1997 IEEE Guide for the Application of High-Temperature Insulation Materials in Liquid-Immersed Power

Transformers


C57.12.70-2000 IEEE Standard Terminal Markings and Connections for Distribution and Power Transformers


C57.120-1991 (R2000) IEEE Loss Evaluation Guide for Power Transformers and Reactors


C57.134-2000 IEEE Guide for Determination of Hottest-Spot Temperature in Dry-Type Transformers


TRIAL-USE UPGRADE TO FULL-USE

C57.13.5-2003 IEEE Trial-Use Standard of Performance and Test Requirements for Instrument Transformers of a Nominal

System Voltage of 115 kV and Above

[No negative comments received during trial-use period, which is now complete; Sponsor requests elevation of status to

full-use]

Recommendation: Elevate status of standard from trial-use to full-use. Editorial staff will be notified to implement the

necessary changes. IEEE Standards Dept. database will be updated to reflect that the expiration date of the standard

will coincide with the expiration date of the PAR for revision, which is December 2009.



October 18, 2006

Montreal, Canada

Page 4 of 8

STANDARDS DUE TO EXPIRE AT THE END OF 2006

The following projects will be recommended for administrative withdrawn at the December 5, 2006 IEEE-SA Standards

Board meeting.

32-1972 (R1997) IEEE Standard Requirements, Terminology, and Test Procedures for Neutral Grounding Devices

1388-2000 IEEE Standard for the Electronic Reporting of Transformer Test Data

(Note: Recommend withdrawal, replaced by C57.12.37-2006)

C57.12.59-2001 IEEE Guide for Dry-Type Transformer Through-Fault Current Duration

(Note: Reaffirmation package submitted to RevCom pending review and approval at December, 06 meeting)

C57.12.91-2001 IEEE Standard Test Code for Dry-Type Distribution and Power Transformers

(Note: Requested new PAR for Revision and withdraw PAR for Amendment.)

C57.16-1996 (R2001) IEEE Standard Requirements, Terminology, and Test Code for Dry-Type Air-Core Series-

Connected Reactors

(Note: Reaffirmation ballot invitation started 10/18/2006)

C57.94-1982 (R2000) IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-

Type General Purpose Distribution and Power Transformers

(Note: Reaffirmation package submitted to RevCom pending review and approval at December, 06 meeting)

C57.105-1978 (R1999) IEEE Guide for Application of Transformer Connections in Three-Phase Distribution Systems

(Note: Reaffirmation ballot comment resolution)

C57.109-1993 (R2000) IEEE Guide for Liquid-Immersed Transformers Through-Fault-Current Duration

(Note: Reaffirmation ballot comment resolution)

C57.119-2001 IEEE Recommended Practice for Performing Temperature Rise Tests on Oil Immersed Power Transformers

at Loads beyond Nameplate Ratings

(Note: Reaffirmation ballot invitation started 10/18/2006)

C57.121-1998 IEEE Guide for Acceptance and Maintenance of Less-Flammable Hydrocarbon Fluid in Transformers

(Note: Reaffirmation ballot failed in March, 2006 due to low response rate. Requested termination of existing ballot and

to restart reaffirmation process)

C57.135-2001 IEEE Guide for the Application, Specification and Testing of Phase-Shifting Transformers

(Note: WG has not submitted PAR for revision, recommend withdrawal)


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October 18, 2006

Montreal, Canada

Page 6 of 8

2006 STANDARDS BOARD MEETINGS SCHEDULE AND SUBMITTAL DEADLINES

Meeting Dates Deadline for Submittal of PAR1 or Draft Standard

2

March 20, 2007 February 9, 2007

June 5, 2007 April 27, 2007

September 25, 2007 August 17, 2007

December 3, 2007 October 15, 2007

1 A PAR must be sent by the Working Group Chair to the NesCom administrator, Sherry Hampton, before the stated deadline to be considered at the next Standards

board Meeting. Phone +1 732 562 6003, FAX +1 732 875 0695, email: [email protected]

For current PAR form: https://standards.ieee.org/cgi-bin/NesCOM/myP_par?start.

Target Extension Request form: http://standards.ieee.org/guides/par/extension.rtf

2 Draft Standards must be submitted by the Working Group Chair to the RevCom administrator, David L. Ringle, before the stated deadline to be considered at the next

Standards board Meeting Phone +1 732 562 3806, FAX: +1 732 875 0524, email: [email protected]



October 18, 2006

Montreal, Canada

Page 7 of 8

CURRENT LIST OF ALL OPEN STANDARDS PROJECT (as of 10/17/2006) http://standards.ieee.org/board/nes/C2-C136.html

Only PARs submitted electronically and approved since the December 1998 Standards Board meeting are listed

(There are currently 46 active PAR)

PC57.12.00 Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating

Transformers

PC57.12.10 Standard Requirements for Liquid-Immersed Power Transformers

PC57.12.20 Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage, 34 500

Volts and Below; Low Voltage, 7970/13 800Y Volts and Below

PC57.12.23 Standard for Submersible Single-Phase Transformers; 167kVA and Smaller; High-Voltage 25 000

Volts and Below; Low Voltage 600 Volts and Below

PC57.12.28 Standard for Pad Mounted Equipment - Enclosure Integrity

PC57.12.29 Standard for Pad Mounted Equipment - Enclosure Integrity for Coastal Environments

PC57.12.34 Requirements for Pad-Mounted, Compartmental Type, Self Cooled; Three Phase Distribution

Transformers, 5 MVA and Smaller; High Voltage, 34.5kV Nominal System Voltage and Below; Low Voltage, 15kv

Nominal System Voltage and Below

PC57.12.35 Standard for Bar Coding for Distribution Transformers and Step-Voltage Regulators

PC57.12.36 Standard Requirements for Liquid-Immersed Distribution Substation Transformers

PC57.12.38 Standard for Padmounted Type, Self-Cooled, Single Phase Distribution Transformers; High Voltage,

34500 GrdY/19920 Volts and below, Low voltage, 480 Volts and below; 167 KVA and smaller

PC57.12.51 Ventilated Dry-type Power Transformers, 501 kVA and Larger, Three-Phase, with High-Voltage 601

to 34500 Volts; Low-Voltage 208Y/120 to 4160 Volts

PC57.12.60 Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry Type Power and

Distribution Transformers, Including Ventilated, Solid-Cast and Resin Encapsulated Transformers

PC57.12.80 Standard Terminology for Power and Distribution Transformers

PC57.12.80a Standard Terminology for Power and Distribution Transformers - Amendment 1: Definition of

Thermally Upgraded Paper

PC57.12.90 Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers

PC57.12.91a IEEE Standard Test Code for Dry-Type Distribution and Power Transformers – Amendment 1

PC57.13 Standard Requirements for Instrument Transformers

PC57.13.1 (PE/PSR) Guide for Field Testing of Relaying Current Transformers

PC57.13.5 Standard of Performance and Test Requirements for Instrument Transformers of a Nominal System

Voltage of 115 kV and Above

PC57.15 Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators

PC57.18.10a Standard Practices and Requirements for Semiconductor Power Rectifier Transformers - Amendment

1: Technical and Editorial Corrections

PC57.19.100 Guide for Application of Power Apparatus Bushings

PC57.21 Standard Requirements, Terminology, and Test Code for Shunt Reactors Rated Over 500 kVA



October 18, 2006

Montreal, Canada

Page 8 of 8

PC57.32 Standard Requirements, Terminology and Test Procedures for Neutral Grounding Devices

PC57.91 Guide for Loading Liquid Immersed Transformers and Voltage Regulators

PC57.93 Guide for Installation and Maintenance of Liquid-Immersed Power Transformers

PC57.98 Guide for Transformer Impulse Tests

PC57.100 Standard Test Procedure for Thermal Evaluation of Insulation Systems for Liquid-Immersed Distribution

and Power Transformers

PC57.104 Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers

PC57.106 Guide for Acceptance and Maintenance of Insulating Oil in Equipment

PC57.110 Recommended Practice for Establishing Liquid-Filled and Dry-Type Power and Distribution

Transformer Capability When Supplying Nonsinusoidal Load Currents

PC57.119 Recommended Practice for Performing Temperature Rise Tests on Oil Immersed Power Transformers at

Loads Beyond Nameplate Rating

PC57.127 Guide for the Detection and Location of Acoustic Emissions from Partial Discharges in Oil-Immersed

Power Transformers and Reactors

PC57.129 Standard for General Requirements and Test Code for Oil-Immersed HVDC Converter Transformers

PC57.130 IEEE Trial-Use Guide for the Use of Dissolved Gas Analysis During Factory Temperature Rise Tests for

the Evaluation of Oil-Immersed Transformers and Reactors

PC57.131 Standard Requirements for Tap Changers

PC57.133 Guide for Short-Circuit Testing of Distribution and Power Transformers

PC57.139 Guide for Dissolved Gas Analysis in Transformer Load Tap Changers

PC57.140 Evaluation and Reconditioning of Liquid Immersed Power Transformers

PC57.142 A Guide To Describe The Occurrence And Mitigation Of Switching Transients Induced By Transformer-

Breaker Interaction

PC57.143 Guide for Application of Monitoring to Liquid-Immersed Transformers and Components

PC57.147 Guide for Acceptance and Maintenance of Natural Ester Fluids in Transformers

PC57.148 Standard for Control Cabinets for Power Transformers

PC57.149 Guide for the Application and Interpretation of Frequency Response Analysis for Oil Immersed

Transformers

PC57.150 Guide for the Transportation of Transformers and Reactors Rated 10,000 kVA or larger

PC57.151 Sound Level Measurement Guide for Liquid Filled and Dry Type Transformers and Reactors


6.0 Recognition and Awards – Chair: Ken S. Hanus

6.1 Certificates of Appreciation

Certificates of Appreciation have been obtained for the following persons:

Name Service Rendered

Thang Hochanh Host, Fall 2006 Meeting, Montreal

John Sullivan Certificate of Appreciation, Chair, WG of the Revision of C57.12.01

Brian Klaponski Chair, Completion of the Revision of C57.12.40

Stephen Antosz Editor, Transformers Committee

Subash Tuli Chair, WG of the Revision of C57.12.90

Dong S. Kim Chair, Completion of the Revision of C57.12.00

Stephen Antosz Chair, Completion of the Revision of C57.12.90

Dan Mulkey Chair, Completion of the Revision of C57.12.44

Frank Gryszkiewicz Chair, Insulating Fluids Subcommittee

Thomas Callsen Co-Chair, WG of the Revision of C57.12.37

Richard Hollingsworth Co-Chair, WG of the Revision of C57.12.37

Georges Vaillancourt Development and Support of Committee Website

6.2 Nominations for IEEE, PES, and Technical Council Awards

None at this time

6.3 Awards - General

None at this time

Ken Hanus, ChairAwards Subcommittee


7.0 Report of Technical Subcommittees

7.1 HVDC Converter Transformers & Smoothing Reactors S.C. (R. F. Dudley)

The S.C. met in the Cartier A Meeting Room of the Delta Centre-Ville Hotel in Montreal, P.Q.on Monday, Oct. 23, 2006 from 1:45 p.m. to 3:00 p.m. There were 11 members and 13guests present. The following are the highlights of the meeting.

7.1.1 Introductions were made.

7.1.2 The minutes of the Costa Mesa meeting were approved.

Note: The minutes of the Montreal meeting will not be approved until the meeting in Dallas,Texas.

7.1.3 IEEE patent policy was highlighted and no patents affecting the work of the S.C. were noted.

7.1.4 The Chairman reported on the meeting of the Administrative S.C. on Sunday, Oct. 22, 2006.

7.1.5 The Chairman reported that he had finally received a WORD version of the current edition ofIEEE 1277 and after about 1 week of work by his administrative assistant had a versionsuitable for revision and distribution to S.C. members.

7.1.6 Draft #6 of the revision of IEEE C57.129, prepared and distributed by the Chairman prior tothe Montreal meeting of the S.C., was discussed. It was agreed that the revision process forIEEE C57.129 was essentially complete with the exception of the issues discussed as notedbelow.

(i) A presentation on polarity reversal hold time and the impact on the dielectric systemof the converter transformer bushings was made by Chris Stankowski. This is aportion of the work being carried out by CIGRE JWG A2/B4-28. The presentation willbe distributed with the minutes. Since the work of the CIGRE JWG is not completethe current polarity reversal hold time will be maintained in the revision of IEEE C57.129.It should be noted that a CIGRE WG is also reviewing converter transformer failuresand per S.C. members no documented failures to-date appear to be related to polarityreversal. A NOTE re the work of these CIGRE WGs will be included in the revision ofIEEE C57.129. Highlights of discussions related to the presentation by ChrisStankowski are as follows.

- Current PR hold times 90 – 95 – 45 vs 360 – 360 – 100.

- The need for increased PR hold time is not clearly evident.

- Oil conductivity is a factor in resultant dielectric stresses. Lower conductivity oilsresult in lower dielectric stresses.

Reports ofTechnical Subcommittees

Approved Minutes


- Oil conductivity depends on the type of oil and increases as the oil ages; up to 4orders of magnitude.

- The same oil as used in testing should be used in service.

- The extended PR hold times should only be considered for type test and thatcurrent hold times should be for routine test.

- Normal PR times are very fast; especially under line fault conditions.

- Oil conductivity is a very important factor re dielectric stress in the insulation systemand PR.

As stated previously current PR hold times will be maintained in the current revisionof IEEE C57.129.

A NOTE will be included in the revision of IEEE C57.129 stressing the importancethat oil of the same conductivity as used for test should be used in service.

(ii) The issue of inter-changeability or the ability to replace bushings easily on convertertransformers was discussed. Bushing dimensions are an issue especially re findingreplacement bushings. The issue will not be addressed in the main text. A NOTE willbe included in the revision of IEEE C57.129 re bushing replacement; issues thatneed to be addressed.

The Chairman will produce Draft #7 of the revision of IEEE C57.129 based on the above andeditorial/clarification input received based on Draft #6. Draft #7 will be sent to S.C. membersand if there are no more issues it will be the draft to be formally balloted by IEEE. If possiblea formal ballot of the revision of IEEE C57.129 will take place before the next S.C. meeting inDallas.

7.1.7 The Chairman will produce Draft #1 of the revision of IEEE 1277 based on discussions at theCosta Mesa meeting of the S.C. Actioned S.C. members are requested to provide their inputas soon as possible.

The meeting adjourned at 3:00 p.m.

R. Dudley


7.2 Instrument Transformer Subcommittee Report (J. Smith)

The Subcommittee Report was provided at Thursday’s “Main Committee” meeting by RossMcTaggart

7.2.1 Chair’s Remarks & Announcements

The Instrument Transformer Subcommittee met on Tues, Oct 25 at 8:00 AM.6 members and 11 guests attended. The meeting was chaired by R. McTaggart.

A special presentation was made by Donald Fallon summarizing the subjects discussed in theAdministrative Subcommittee on Sunday. Most of the attendees had never attended one of thesemeetings and really appreciated this opportunity.

The previous meeting’s minutes were approved as written and there were no Patent issues.

7.2.2 Working Group Reports

7.2.2.1 Working Group on Test Requirements for High Voltage Instruments TransformersRated 115 kV and above

The WG met on October 24, 2006. Six members and seven guests attended the meeting. Themeeting was co-chaired by Mr. P. Riffon and Mr. R. McTaggart.

The agenda was approved as written.

Minutes of the Costa Mesa meeting were approved as written.

The IEEE patent disclosure requirement policy was discussed. None of the members and guestspresent during the meeting were aware of any patents related to the work of the WG.

Vladimir Khalin sent proposals for changes to the actual C57.13.5 in order to try to harmonize it withIEC 60044-1. Among his various proposals, the following subjects were discussed:

- Capacitance and dielectric dissipation factor measurement. It has been agreed upon thatthe wording of indent b) of clause 7.2 will be changed from “Maximum rated voltage” to“Rated maximum line-to-ground voltage”. This wording will be in line with the IEEE BushingsStandard.

In clause 7.1, the maximum limits regarding the dissipation factor of gas insulated instrumenttransformers have been discussed. This measurement will be probably dropped down inthe next revision of IEC 60044-1 while it is still kept in the latest edition of IEC 60137(bushings standard). Values given in IEEE C57.13.5 are coming from IEC 60137.Manufacturer representatives agreed to look once more with the values stated in the actualdocument and make comments or proposals for the next meeting.

- Inter-turn voltage test: IEC requests to test all types of CT secondary windings (meteringand relaying) to 4,5 kV peak. IEEE C57.13.5 does specify different voltage levels dependingif the CT is intended for metering or relaying. For metering, IEEE C57.13.5 specifies 280


Volts peak while for relaying the voltage shall be 2,8 times the terminal voltage rating.After discussion, it has been agreed upon that the inter-turn test voltage required formetering CTs will remain to 280 Volts peak while the test voltage for relaying CTs will beincreased to 4,5 kV for all relaying CT ratings. For metering CTs, it has been agreed uponthat the IEEE inter-turn test voltage is more than enough because the burden normallyapplied to metering CTs is generally very low and that the magnetic circuit of such CTs willnormally saturate during fault conditions and thus, limiting the secondary voltage level

- Endurance chopped wave test: IEC is now proposing a test voltage of 70% of the rated BILwhile IEEE C57.13.5 is specifying 80% of the rated BIL. After discussion, the value proposedby IEC was a kind of compromise between the former IEC value of 60% and the IEEEvalue of 80%. Also, for technical reasons, the test voltage may need to be changeddepending of system voltage because the protective margins given by the surge arrestersare larger for lower system voltages than for EHV system voltages. Pierre Riffon will makea proposal for the next meeting considering different test voltages for 345 kV, 500 kV and800 kV systems. Also, the IEC alternative requirement of limiting the number of choppedwaves to 100 will be introduced as an alternative test method.

The meeting ran out of time and the non covered items on the agenda will be part of the nextmeeting agenda. The meeting adjourned at 9:25 am on October 24, 2006.

7.2.2.2 WG on C57.13 Revision – Tom Nelson

This WG had not met but it the history and status was reviewed as well as part of the last draft.Very little progress has been made in the past couple of years and the consensus was that theWG needs to become more proactive to expedite the revision of this document. Since the WGChair has missed several meetings it was suggested that a co-chair be appointed. Mr C. Smithexpressed interest and will be recommended to the SC Chair.In a discussion of cl 8.1 (Partial Discharge Requirements) it was apparent that the SC felt thatthis section needed to be revised. Reference documents will be circulated to the WG, includingIEEE C57.113 and IEC 60270. It was also noted that Instrument Transformers are often tested ina balanced bridge configuration.

7.2.3 PAR P1601 Optical Current and Voltage Sensing Systems

Session chaired by: F. Rahmatian (TC/ITSC)

Attendees: E. So, M. Haas, P. Millward, P. Zhao, R. McTaggart, V. Khalin, B. Henning, R. Gomez,G. Kennedy, C. Smith, P. Picher, V. Aresteanu, S. Shull, R. Lings, G. Swift, U. Radbrandt.

· IEEE disclosure requirements regarding patent issues related to the WG work were presentedo Mr. Rahmatian asked if anyone is aware of patents relating to the content of PAR

1601 work. There were no responses. It was noted that no patent or IP wasdisclosed or identified as relevant to P1601 work.

· Minutes of meeting #13 and #14 of P1601, March 20, 2006, Costa Mesa, CA, and June 21,2006, Montreal, Quebec, respectively, were reviewed and approved.


· Update on other standards/industry Activities was given:o IEC 61869-x series – to become new IEC instrument transformer standards, mostly

editorial re-organization of 60044-x series. Last meeting was in October inArnhem, Netherlands.

o CSA standards for instrument transformers are balloted and approved. Publicationin early 2007.

o IEC 61850-9-2 and IEEE/UCA Guide (rev 3) for digital interface to instrumenttransformers.

o CIGRE WG A3.15 on non-conventional instrument transformers, next editorialmeeting in December in Paris, France.

Update on activity and status of the draft:· Balloting to start in Dec 2007 or sooner (targeting Dec 2006 for survey)· Most of the reviews (3 pages per attendees assigned in meeting #13) have been received by

F. Rahmatian. They all have been implemented in draft 7 (D07).· Draft D07 of PAR 1601 was sent to Working group members and all guests whose emailswere available for review and comment on Oct 20, 2006. Any guest or member who hasn’treceived a copy and is interested in receiving a copy should contact F. Rahmatian [email protected] for a copy. All comments due by December 15, 2006, to the sameemail address.· It was suggested by Dr. So, and accepted by the present members to modify uncertaintyrequirements for calibration test set up on page 13 of Draft 06, from being at least 1/3rd of theaccuracy class error to 1/4th of the accuracy class error, consistent with best practices. This issuealso to be considered and addressed in IEEE C57.13.5 – Action: R. McTaggart, Oct. 24, 2006.· Figures 1, 3, 4, and 5 require formatting improvement. Action: F. Rahmatian, Dec. 15,2006.· Some text/content for accuracy testing to be provided by Dr. So for the Appendix A2.1,including reference to published papers on this issue. Action: E. So, Nov. 30, 2006.Next Scheduled Working Group Meeting

§ IEEE/PES Transformers Committee Meeting, Mar. 12, 2007, Dallas, TX

7.2.4 Old Business· V. Khalin provided some information on the working group on Transformer Monitoring and

will forward the draft to RM or JS to circulate amongst the SC members.

7.2.5 New Business· None

7.2.6 Adjournment

The meeting was adjourned at 9 AM


7.3 Insulating Fluids Subcommittee (R.K. Ladroga, Chair; Susan McNelly, Secretary)

7.3.1 Introduction/AttendanceThe Insulating Fluids Subcommittee met in Costa Mesa, California on Wednesday, October25, 2006 with 13 members and 35 guests present. The following 5 guests requestedmembership:

Ray BartnikasJuan CastellanosClaire ClaiborneBill DarovnyTom Prevost

7.3.2 Approval of Meeting MinutesAs required in IEEE SA Standard Boards by-law, Section 6.3.2, the IEEE patent disclosurerequirements were discussed and a request was made for disclosure of any patents that may berelated to the work of the WG. No new disclosures were forthcoming.

The Minutes of the Costa Mesa, California meeting were approved as written.

Rick Ladroga announced that Frank Gryszkiewicz has stepped down from the position asChair of the committee to concentrate on health issues.

Introductions were made.

7.3.3 Subcommittee MembershipThere were no changes to report in the Subcommittee Roster.

7.3.4 Current Subcommittee Business

7.3.4.1 C57.147 - IEEE Guide for Acceptance and Maintenance of Natural Ester Fluids inTransformers

Tuesday, October 24, 2006

Montréal, Québec

The WG meeting was called to order at 8:00 am, on Tuesday, October 24, 2006 by theworking group Chair, Patrick McShane. Vice Chair, Clair Claiborne and Secretary, SusanMcNelly were also present. There were 12 members present and 47 guests, with 2 guestsrequesting membership.

Guests requesting membership include:Don ChuJeff Tennant

Meeting Agenda1. Call to order and introductions2. Approval of Spring 2006, Costa Mesa WG minutes and patent announcement3. Review outstanding issues in the latest C57.147 Draft Guide


a. Status of Clause 4.7 – Impact of green tint on ASTM D1500 color test andinterpretation.

b. Status of permission from Doble on their reporting of DGAc. Status of Task Force on Section 4.14, Oxidation Inhibitorsd. Status of Task Force on Clause 4.15e. Status of permission from Doble to include their data on Gassing Tendency for

Clause 4.17.

As required in IEEE SA Standard Boards by-law, Section 6.3.2, the IEEE patent disclosurerequirements were discussed and a request was made for disclosure of any patents that maybe related to the work of the WG. No new disclosures were forthcoming.

The minutes for the Spring 2006 meeting were approved as submitted and recorded on thewebsite.Review of outstanding issues:

Question on how to contact the Nationally Recognized Testing Laboratory (NRTL) was asked.This is a listing of laboratories, not an entity. OSHA would be able to provide information onthese laboratories. A note will be added to the guide indicating this.

Status of Clause 4.7 – Impact of green tint on ASTM D1500 color test and interpretation wasquestioned at the Costa Mesa Meeting. It has been confirmed that this does not impact thetest results.

Status of permission from Doble on their reporting of DGA. - Permission was granted.

Clause 4.13 – Suggestion was made to add a note that head space monitors may need to berecalibrated or that the solubility coefficient may need to be changed for calculation. Perhapsinclude a coefficient index in the guide. Comment was made that the differences are smalland may not be worth discussing. Under thermal stress Natural Ester fluids produce moregas and under electrical stress produce less gas. Thanks to Doble for allowing us to usetheir information in the Annex.

Status of Task Force on Section 4.14, Oxidation Inhibitors – Section was rewritten indicatingthat oxidation stability can be an issue, particularly with thin films. Added a note to contactthe manufacturer regarding detection and maintenance of antioxidants and recommendedexposure prevention.

ASTM has formed a task force to develop a method that allows people to differentiate therange of oxidation stability in natural esters and the effectiveness of the inhibitors.

Clause 5 – Added a reference to Table 5 “limits for continued use” to the recently addedAnnex B.4: suggested key property values for natural ester fluid field samples to “triggerfurther investigation”. .

Clause 6 – Added “Equipment with residual ester fluid should be sealed from continuous airexchange and contaminates” to this clause.

Table 1 – Added back in reference to Clause 4.6, which was inadvertently dropped.

Table 5 – There is not enough experience to come up with appropriate values, a reference toAnnex B.4 was added to note b to provide guidance rather than firm values.


Clause 9.1 – Added “For units with pressure gauges, constant periodic readings of zerogauge pressure is a strong indication of a head space leak,” was added. Suggestion wasmade to add “or some other problem that should be investigated” to the end of the statement

Annex B – Discussed additions as a result of Doble providing permission to use informationin the guide.

Question was asked what the Fluids A and B are. Doble will provide an average algorithm toallow only one natural ester fluid column to be shown rather that two shown in Draft 9.

Clause B.4 in Annex B – Discussed the table values and title. Will need to clear up the titleto the Clause and Table. Suggestion was made to have the Power Factor test to be alsoshown for the test done at 100C rather than just at 25C. The question is what should thevalue be? The value would be very high and would vary. Doble will check their data base forvalues at 100C and provide feedback on whether it would make sense to include.

A motion was made to make changes agreed on today. A draft will be sent out for straw ballotto the full Subcommittee. Unless there is a significant rejection, we will proceed to ballotwhat is designated as Draft 10.

A request was made to consider an annex or a separate guide for retrofilling mineral oil unitswith natural esters. The Chair stated that a guide on retrofilling is beyond the scope of thePar for this proposed guide. (This is a matter for the Subcommittee to address) However, atable showing typical key property values vs. various ratios of mixture of natural esters andconventional mineral oil will be considered.

A request was made to consider a DGA guide for natural esters, such as C57.104 for mineraloil and C57.xxx for silicone oil. The Chair stated that a guide on DGA is beyond the scope ofthe Par for this proposed guide. (This is a matter for the Subcommittee to address).

The meeting was adjourned at 9:20am.

Respectfully SubmittedPatrick McShaneWorking Group Chair

Clair ClaiborneWorking Group Vice-Chair

Susan McNellyWorking Group Secretary

7.3.4.2 C57.106 – IEEE Guide for Acceptance and Maintenance of Insulating Oil inEquipment

October 24, 2006

From: Chair and Vice Chair of Working Group to Revise C57.106 (PC57.106)To: IEEE Transformer Committee and IEEE Insulating Fluids Subcommittee

The Working Group for the revision of the IEEE Guide for Acceptance and Maintenance ofInsulating Oil in Equipment (or IEEEC57.106) met at Montreal, Quebec, Canada on


Respectfully submitted,

Jim Thompson, Chair PC57.106 Working GroupTV Oommen, Vice Chair PC57.106 Working Group

7.3.4.3 C57.139 - Draft IEEE Guide for Dissolved Gas Analysis Of Load Tap Changers

Tuesday, October 24, 2006

Montréal, Québec

Minutes of WG Meeting

Fredi Jakob called the WG meeting to order at 11:05 am, Tuesday, October 24, 2006. WGSecretary Susan McNelly was also present. There were 18 members and 40 guests present with7 guests requesting membership.

Guests requesting membership were:

Ray BartnikasJuan CastellanosJames DukarmGeorge Frimpong

Tuesday October 24, 2006. The meeting was chaired by T.V. Oommen. There were 2members and 24 guests. A request for any patent disclosures received no response. TheWorking Group history for the last eight meetings was briefly reviewed as follows.

As a result of the April 2002 Vancouver meeting, T.V. Oommen and Jim Thompson co-chaired the first Study Group in Oklahoma City on October 23, 2002. The PAR wasapproved from December 2002 until December 2006. After the Oklahoma meeting therewere seven consecutive Working Group meetings, all at Transformer Committee Meetings.PDF files of the power point presentations for those meetings are presently posted on theTransformer Committee webpage (Go to http://www.transformerscommittee.org and thengo to the links Insulating Fluids and C57.106).

T.V. then gave the results for PC57.106/D6 recirculation ballot conducted from October 6,2006 through October 16, 2006 as follows. The ballot received 113 affirmative votes and6 negative votes with comments including one negative vote with comments on therecirculation ballot (Note on the one re-circulation comment: This comment submitted onthe recirculated draft was determined to be a restatement of the previous negativecomment and considered un-resolvable), 2 negative votes without comments and 2abstention votes. The result was a 95% affirmative rate.

T.V. reported that based on the efforts made to resolve the negative comments on theinitial ballot, and the determination that the single negative ballot comment in therecirculation ballot was a restatement of the initial ballot negative comment and wasunresolvable, then in obligation to the majority of the 95 % affirmative votes on therecirculation ballot - the PC57.106/D6 document was submitted to RevCom for approval atthe December 2006 meeting.


Charles GarnerTom PrevostFrank Wolf

Agenda:1. Welcome and Introduction2. Patent considerations3. Approval of Spring 2006 minutes4. Dave Wallach presentation on DGA results5. Update on Doble LTC Activities6. Draft 8 and comments7. Adjourn

The IEEE Patent disclosure requirements were discussed and a request was made fordisclosure of any patents that may be related to the work of the WG. There were noresponses to the request for disclosure.

Approval of minutes from the Spring 2006 meeting in Costa Mesa, CA was requested. Theminutes were approved as written.Presentation by Dave Wallach (attached):

F06-DJWSlides.pdf

Dave provided a lot of data points for a particular model of LTC. We would like to have adiscussion on what would be a reasonable approach to determine threshold values.

Dave also provided an update on data received from other sources. He has receiveddata from Hartford Steam Boiler, Duke Energy Carolinas, and GE (missing LTC type info,need to follow up with GE). Present count of usable records is 2700.

Using data from a McGraw 550 OLTC as an example, Dave calculated six different ratios.Dave provided a summary of results. A copy of Dave’s presentation is included in theseminutes.

Fredi commented that the 90th percentile selection may be too low. For thresholds, thegases have to be at least at a certain level to have confidence in the ratios. Should the90th percentile values be used as the threshold gas levels?

Fredi suggested that we possibly need to reverse the process and look at only the problemunits and set values based on those units. However, this further lowers the number ofusable records. Without adequate data, we can’t do more than a purely statisticalapproach.

Jim Dukarm discussed the statistical approach method. You want to be able to put all ofyour resources towards the problem units. You need to be able to distinguish the lowerrisk from the higher risk units. This will then allow you to focus resources at the higherrisk units.

Fredi and Dave will formulate an approach. The concensus was a two table approach.The first test will tell you whether you need to increase the testing interval to look at the

This file is indicated for reference purposes only, see SC Chair for the actual file


rate of increase. Also Jim Dukarm will look into providing a Weibull distribution for thedata available from Dave for the next meeting.

A question was asked as to what constitutes a failure. Fredi indicated we are not talkingabout mechanical failures, but rather issues such as coking of the contacts, basically asituation or problem that can be detected by means of a DGA.

Update on Doble LTC Activities (Lance Lewand):

Doble started to accumulated data back in the 1990s and started working on the guide inabout 1997.

Doble was able to take a manufacturer and apply a model and provides limits to go by.

Previous work is based on >50000 data points. They recognized that several modelswere not covered. Current work is to update information on about 5 new models. Asmore DGA information is received on new models it will be updated.

Before adjourning, Fredi asked if there were any volunteers to help him review Draft 8 andcomments on it. Jim Dukarm and Tim Raymond volunteered to help.

The meeting was adjourned at 12:15 pm.

Fredi JakobChair

7.3.4.4 C57.104 – IEEE Guide for the Interpretation of Gases Generated in Oil – ImmersedTransformersTuesday, October 24, 2006

Montréal, Québec

The meeting was called to order by Richard Ladroga at 1:50 pm, Tuesday, October 24,2006. The Vice-Chair, William Bartley and Secretary, Susan McNelly were also present.There were 22 members, 53 guests, and 8 guests requesting membership.

Guests requesting membership were:

Claude Beauchemin, Jerry Corkran, John Crouse, Dieter Dohnal, Jim McIver, Paul Mushill,Jerry Murphy, Dan Perco

Approval of minutes from the Spring 2006 meeting in Costa Mesa, CA was requested. Theminutes were approved as written.

Introductions of attendees were made.

The IEEE Patent disclosure requirements were discussed and a request was made fordisclosure of any patents that may be related to the work of the WG. There were no responsesto the request for disclosure.

Rick went over the history of the Guide for the benefit of those not present at the Costa Mesameeting. The PAR for revision was established in 1996, and was extended in 2000, 2002,and 2004. There were some significant negative ballots during the balloting process. Due tothe comments that were outstanding, a decision was made in Memphis to withdraw the


standard. A decision to withdraw the 1991 Guide was made at the same time because of thedisagreement over the values and to stress the importance of moving ahead. Therefore, atthis time, there is no approved guide available.

A new PAR has been filed to start over with the guide. A proposal was made to make minorchanges to the 1991 Guide that would allow it to be put out for use, and then start an immediatenew revision to cover the issues that were raised during the recent ballot.

C57.104-1991 – Proposed changes to get document approved as a temporary measurewhile a full revision is restarted.

Section 4.4 - Evaluation of Transformer condition using individual and TDCGconcentrations. Rick recommended that we add “or if it has recently experienced a changein dissolved gas levels.” to the first paragraph of this clause. Also add “or if the gas levelshave experienced a recent change” to the second paragraph of this clause.

In addition, he proposed to change the limits of the C2H2 to a value of 1, adding to Note1 for Table 1, “or that the unit has experienced recent or sudden changes in gas levels,”and add a new Note 2.

Comment – Tom Prevost – Referring back to minutes of previous meeting, the values inTable 1 are not what was proposed in the last minutes. The values from the last minuteswere as follows:

Proposed Acetylene C2H2 limits:

Condition 1: 1 ppm

Condition 2: 2 - 9 ppm

Condition 3: 10 - 35 ppm

Condition 4: >35 ppm

Comment – Fredi Jakob – The addition to Note 1, assumes that you have already takena sample, when this table applies only to the first sample.

Tom Prevost and Fredi Jakob put together a presentation on DGA Data (attached below).

F06-W-ACTI_DGAdata.pdf

The data provided in the presentation was from Oct 2002 to Aug 2006 with a sample sizeof approximately 133,000 samples. Using this data, and looking at Table 1 andconcentrating on Acetylene, the table was simplified into 3 conditions. From experienceand supported by the data, a value of 1 for Condition 1 seems reasonable.

The values for Conditions 2, 3 and 4 proposed at the last meeting are also fairly wellsupported by the data.

This file is indicated for reference purposes only, see SC Chair for the actual file


Comment – Do we know how many of the samples were from actual transformers that hada problem. The response was no.

Comment – What was the basis for the percentiles chosen? Response – One of the goals was tocompare to data provided by Brian Sparling at the last meeting. A 2% failure rate lines up with the90 and 95 percentile values. We need to focus on the Acetylene values, as they were thecontention in the last draft not being approved. This would allow us to get a standard out andavailable and then allow us a more reasonable time to start work on a full revision.Comment – Don Fallon – The ballot for the standard needs to be packaged with an explanation ofwhat we are trying to do and that an immediate revision effort will then be started.

The proposed new Note 2 would need to be revised as well to not indicate a value of1ppm of acetylene.

In view of the comments, a concensus vote indicated that based on the supporting data,the values that were proposed at the last meeting be used. In addition, regarding thechanges to the notes, it was the concensus to not revise the notes, only the acetylenevalues.

Rick proposed that we have some Task Forces start working on statistical methods and casestudies. The group agreed that case studies would be very useful.

Rick also asked for volunteers to work on the framework for the next revision and data foruse in the next revision.The meeting was adjourned at 3:05 pm.

Richard LadrogaWG Chair

William BartleyWG Vice Chair

New Business

Patrick McShane mentioned that C57.121 –IEEE Guide for Acceptance and Maintenance of LessFlammable Hydrocarbon Fluid in Transformers standard is due to die unless action is taken toupdate

Bill Bartley indicated that the Arc Furnace TF, C57.17, Draft Requirements for Arc FurnaceTransformers, under the Power Transformer SC is requesting a liaison from the Fluids SC. Thereis an informative annex in the C57.17 standard on DGA interpretation for which they would like aliaison from the Fluids SC. There was discussion on whether the C57.104 guide should beupdated to include specific information for the DGA values for arc furnace transformers ratherthan have it in the Arc Furnace standard. The general feeling from the SC was that it would becleaner to keep this within the C57.104 standard, otherwise it will open the door to other types oftransformers having DGA interpretation information spread out among various standards andguides. There was discussion regarding the availability of data for arc furnace transformers,could a general note be added, indicating that the numbers may be different for arc furnacetransformers than for other types of transformers. Bill Bartley and Rick Ladroga will set up ameeting to discuss with Tom Lundquist the Chair of the Power Transformer SC.


Patrick indicated that in light of the pending ballot of C57.147 Guide for Natural Ester Fluids, thenext likely issues that will need to be address will be DGA and retrofill guides for the use ofNatural Ester fluids. Rick will look into setting up a Task Force to look into whether these areissues that warrant the creation of a new WG to develop a guide or guides for these topics.

Adjournment

The Subcommittee adjourned at 12:08 pm.

Next Meeting

The Insulating Fluids Subcommittee and its Working Groups will next meet in Dallas, Texas duringthe period of March 11 – 15, 2007.

Respectfully Submitted

Richard LadrogaFluids SC Chair


7.4 Insulation Life Subcommittee – Don Platts, Chairman

The Insulation Life Subcommittee met in Montreal, Quebec, Canada on October 25, 2006, at 8:00AM. There were 51 members and 75 guests present, with 7 guests requesting membership in thesubcommittee.

The minutes of our meeting in Costa Mesa, CA on March 22, 2006 were approved as submitted.

7.4.1 Chair’s Report

7.4.1.1 The Spring 2007 IEEE Transformers Committee Meeting will be held March 11 - 15, 2007in Dallas, TX. The Fall 2007 meeting will be held in Minneapolis, MN.

7.4.1.2 IEEE is updating the My Project pages of the website including My Ballot. The revisedwebsite should be easier to use.

7.4.1.3 The Chair recognized Drs. Oleg Roizman, Valery Davydov and Jim Dukarm for Monday’sTutorial, “Water-in-Paper Activity – a New Concept for Moisture Assessment inTransformers.”

7.4.2 Project Status Reports

7.4.2.1 Reaffirmation Ballot 1276-1997, IEEE Guide for the Application of High-TemperatureInsulation Materials in Liquid-Immersed Power Transformers

RevCom approved the reaffirmation and the standard has been published.

7.4.2.2 Reaffirmation Ballot C57.119, IEEE Recommended Practice for Performing TemperatureRise Tests on Oil-Immersed Power Transformers at Loads Beyond Nameplate Ratings

C57.119 needs to be reaffirmed by the end of 2006. Subhash Tuli will be initiating theeffort in the next few weeks.

7.4.3 Working Group and Task Force Reports

7.4.3.1 Working Group for the Revision to C57.91 Loading Guide - Tim Raymond

The working group Chair, Tim Raymond, called the WG meeting to order at 9:30 AM on Tuesday,October 24, 2006. Vice Chair Glenn Swift and Secretary Susan McNelly were also present.

There were 20 members present and 57 guests with 10 guests requesting membership to theWG.

Approval of minutes from the October 25, 2005 meeting was requested. The minutes wereapproved as written.

The IEEE Patent disclosure requirements were discussed and a request was made for disclosureof any patents that may be related to the work of the WG. There were no responses to therequest for disclosure.


Discussion:Draft 4 was posted last week (finally). You can view changes in detail via the trackchanges option in Word.Comments by Tom Holifield – Sec. 5.1

Should we try and write a section for Distribution and for power transformers. Consensuswas yes we should. Volunteers were requested. Mike Spurlock volunteered.

Clause 6 - Insulation Agingo Moved much of the background material from the Annex into this section.

Addresses a lot of the hows and whys.o Some of this material is still overkill, needs to be pruned and merged with the

existing material. Volunteers?o Now includes appropriate material for non-thermally upgraded 55C insulation

systems (moved from Annex), as well as, for 65C systems.o Volunteers to edit this section?

Tom Prevost and Carl Arpino volunteered to edit this section.

Clause 7.3 needs some editing to reflect consensus on moisture estimation (or point tosome other source). What type of guidance do we want?

Suggestions:o Sidestep and not provide guidance at this time as the supportive information is not

yet available.o Move back to the Annex if guidance is not to be provided. There is a potential of

misapplication but it is a useful tool that would not be good to lose.

Vote was requested on whether this should be moved back to the Annex. Concensus wasthat the information should be moved back to an Annex. It will be kept as a discussionitem and TV Oommen will be contacted for discussion.

Clause 10 – Calculation of Temperatureso We previously decided to move Annex G into body of guide and move Clause 7 to

an Annex. Tim changed his mind on this.


o This guide needs to be useable or users will revert to old versions. Many users willnot have rated bottom oil rise.

o Therefore, both the Annex G and Clause 7 models are included. The “bottom oil”model is labeled “Calculation of temperatures where rated bottom oil temperaturerise is available” and the “top oil” model is labeled “Calculation of temperatureswhere rated bottom oil temperature rise is not available”.

o The user is free to use the old model where appropriate, but is encouraged(strongly) to use the new model when possible.

Comment – The two methods will provide quite different values. Could this causeconfusion? If a customer specifies a step load profile, if the transformer is designed perthe old method it will require less cooling than with the new method. Response: For anew transformer, the manufacturer is required to provide the bottom oil temperature on thetest report and this method of calculation should then be used. Need to add a briefparagraph why the new method is strongly recommended for use, but the guide alsoneeds to provide a method for when the bottom oil information is not available.

Clause 10 (Thermal models) could still use some editing for “flow” and clarity.

Clause 10 is presently over 20 pages long. Tim requested volunteers to look over thesection to try and clarify and make it flow better. Don Platts and Oleg Roizmanvolunteered to help.

Clause 10.1.6.2 – Should the section on Losses be kept – Recommendation that RickMarek will review.

Clause 10 comments by Tom Holifieldo Temperatures predicted by the equations in 10.1 do not account for heating due to

solar radiation or cooling due to wind and rain. Will be left out.o Clause 10.4.1 – Exponents n for ONAN changed to .7 from .8. Could this change

be listed in the “Major changes” section of page ii with some explanation of thereason for the change? Also, what is Method C should this be Annex D? Typo, willbe change to 0.8. Second part referring to Method C is no longer applicable andwill be corrected.

o Equation 90 – Under light loading and a rapidly changing ambient, heat maytransfer from the environment to the transformer. For this equation there is animplicit assumption that heat flows from the transformer to the environment. Theproblem arises if heat flow is reversed. A simple warning of this issue might bebest. Another option is an explicit correction as follows: Agreed, add correction toaverage oil temperature.

o Equation 93 – It seems like the index of avg oil should be “i” as below instead of“I+1”. Top to bottom oil gradient is calculated after and derived from average oil.Therefore use value from current time step, I+1, not i.

Clause 11 (Distribution Transformers and Voltage Regulators) – Holifield comments.o 11.1.1 – General, consider changing the sentence “but does not account for such

factors as deterioration of gaskets, rusting of tanks, etc….” to “but does not accountfor such factors as deterioration of bushings, fuse holders, gaskets, rusting oftanks, etc…” OK

o Clause 11.4, Table 7 – Consider adjusting limits of Table 7 to be the same as Table9 or those of section 12.2. Consensus was that we don’t need to duplicate tables if


they have the same values. Duplicate tables will be removed. Tim requestedvolunteers to review Clause 11 as this is the meat of the guide and try to flesh themout more. Carl Arpino and Bob Tillman volunteered.

Page 1, Annex D – The annex needs to include a calculation for the top oil time constantat rated load and its correction or a reference to these equations since they are listed inAnnex G. OK

Clause 12 (Power Transformers)o Changed temperature limits table to recognize additional factors.

Tim requested volunteers to review Clause 12. Carl Arpino volunteered to look over thissection.

Clause 14 (Operation with Part of Cooling Out of Service)o There has been a suggestion to include equation for loss of fans.

Tim asked whether there were any general comments on the progress or direction. Glenn reqesteda timeline for getting information back from volunteers. A timeline of the end of January was set.

The meeting was adjourned at 10:40 am.

Respectfully Submitted

Tim RaymondWorking Group Chair

Glenn SwiftWorking Group Vice-Chair

7.4.3.2 Working Group On Thermal Evaluation Of Power And Distribution Transformers(C57.100) – Roger Wicks

7.4.3.2.1 Introduction and RostersThe working group met on Monday, October 23, 2006 at 11:00 AM with 15 members and 48guests attending, with one guest requesting membership. This brings the number of members to51.

7.4.3.2.2 Approval of minutes from March 20, 2006 meetingThe minutes of the March 20, 2006 meeting in Costa Mesa were approved as written.

7.4.3.2.3 Patent DisclosureThe chairman asked if anyone knew of any patents which could pertain to this project.There were none.

7.4.3.2.4 Discussion of DuPont-Weidmann test of power transformer model.The chairman gave a presentation to the working group of the dual temperature aging model. Hegave a brief background of the model and then proceeded to present some of the results oftesting to date. A copy of the presentation will be posted on the IEEE PES transformers


committee website. Some specific topics were presented with the data that has been collected sofar. These include:

• Comparison of Aging Curves to historical curves (Taken from C57.91-1981 and C57.92-1981)

• Comparison of dual temperature model test results to sealed tube test results• Comparison of DP Life Curves to 50% Tensile Retention Life Curves• Comparison of Upgraded to Non-Upgraded Paper• Oil Quality vs Life• Work in Progress/Future Work

o Future work includes investigating the effect of moisture and oxygen

7.4.3.2.5 Following the presentation the chair opened the floor for discussion and comments:• Jin Sim commented that moisture should be measured in the insulation system throughout

the test period.• Hasse Nordman commented that the big question to be answered by this group is what

parameters should be included in the formulas in the loading guide.• Hasse also suggested that it would be of interest to start a test with 3% moisture and then

measure the effects as well as the moisture profile during the test.• TV Oommen commented that there have been many aging studies done over the years.

He added that this is a good test and that it should be standardized.• Patrick McShane commented that to obtain the proper starting moisture content in the

insulation it is a trial and error approach. Patrick has sent the chair the process thatCooper used in some of their aging studies. He added that they were able to get astandard deviation of 0.14% on moisture levels of 0.5% with the method they used.

• The chair requested comments from the group in regards to what parameters we shouldconsider in order to be able to evaluate all potential insulation systems.

• Don Platts commented that we need to establish a benchmark of the currently acceptedinsulation system for 65 C rise transformers, that is, cellulose in mineral oil. This would seta baseline from which to reference future insulation systems. He stated that the focus ofthis working group should be to establish this baseline.

• Tim Raymond commented that the working group needs to add wording to the guide thatthe critical life parameters need to be based on the application of the insulation involved.For example, compressibility of spacer material.

7.4.3.2.6 The chair asked for volunteers to review other sections of the present C57.100.• Distribution Transformer Testing (Lockie)• Sealed Tube Test (Annex)

The following individuals volunteered to review these sections:Jin Sim, Patrick McShane, Geoff Gill, Tim Raymond

7.4.3.2.7 Adjournment

The meeting adjourned at 12:07 PM

7.4.3.3 Task Force on Winding Temperature Indicators - Phil McClure

This Task Force is in abeyance until the privatized paper is published. The need for this TaskForce will be re-evaluated at that time.


7.4.3.4 Working Group for Temperature Rise Test Procedures Section 11 of C57.12.90 - PaulettePayne

The Working group met October 24, 2006 at 8:00 AM in the St. Laurent room of the Delta Centre-Ville Montreal hotel. There were 13 members and 33 guests present.

Members were provided the opportunity to identify or disclose any patents believed to be essentialfor the use of clause 11.0; no patents were identified or disclosed.

Minutes from last meeting in Costa Mesa, CA were approved as written.

The first topic discussed was a proposal by Mr. Subash Tuli regarding top oil temperature risecorrection based on equation 29 of section 11.4.2, but applied to oil stabilizations done whilemaintaining constant current instead of constant losses. C57.119 guide for temperature risebeyond nameplate rating allows oil stabilization at constant current. From the audience sometesters use constant current while others use constant losses. When using constant current acorrection factor is being proposed. It was stated that the use of constant current is necessaryspecially for windings designed for overload which will not operate near the 65+20 °C standardtemperature, then the reported losses will be higher than the losses seeing during operation atrated load. Other point that was discussed is the influence of ambient temperature for a constantcurrent test, the 0°C ambient stabilization losses would be lower than those at 40°C. The wordingof the existing standard says “circulate sufficient current to produce total losses” for oilstabilization. Some interpret this as should use constant current, others think losses should beconstant. The two methods can produce different results. More discussion will be required on thissubject.

Next topic in the agenda was a presentation by Mr. Jerry Corkran. He presented results from severalwinding temperature rise tests for the same transformer for:

- the winding that is measured first, primary or secondary- holding one hour rated current between primary and secondary shutdowns- re-stabilizing at rated current between shutdowns- re-stabilizing at rated losses between measurements

As a conclusion the test results data shows that, for this transformer, the one hour constant periodbetween windings shutdowns is within +/-1°C variation compared to stabilizing the oil methods, andthat stabilizing the oil does not add any accuracy to the test results. All three phases temperaturerises were measured for primary and secondary, and the variation was low within 1°C.

On the next topic, Mr. Bob Ganser proposal for a standard cooling curve format “of at least onemeasurement be made on all windings within 4 minutes of shutdown and that a minimum of 4 bemade on all windings as B phase may not necessarily give the highest temperature rise” raisedquestions regarding the 4 minutes time period to get resistances from all windings. And it was notclear if he was referring to windings or phases. Since he was not at the meeting, further clarificationwill be required from him.

As the last item, a proposal by Mr. Marcel Fortin was read where he asks to make mandatory theback-to-back temperature stabilization method for transformers rated 1500 kVA 3 phase, 500 kVA 1phase and lower. In general there was no support from the audience to this proposal, it was recognized


that this method could give different test results compared to the short circuit method. The topic willbe discussed in the future.

Not having new business, the meeting was adjourned at 9:12 AM.

Vice chairJuan Castellanos

7.4.3.5 Task Force: on Moisture Estimation in Transformer Insulation – Jin Sim

TF Moisture Estimation did not meet. Chairman Jin Sim reported that the members of the TFcontinue to evaluate available information on the subject. However, the TF did not find anytechnology that is suitable for estimating the moisture content of the insulation material near thehot-spot temperature of a transformer within a reasonable accuracy. TF will continue to search forexisting technology to do this for one more year. By the Fall 2007 meeting, it will determine if weshould continue to write the TF Report or not.

7.4.4 Old Business:

There was no old business.

7.4.5 New Business:

Joe Foldi presented two items for discussion, the calibration of winding temperature indicators (WTIs)and the tested hotspot rise.

• The WTI is calibrated for the top rating on transformers. This has lead to problems withONAN/ONAF/OFAF units. When the unit is running at ONAF, the WTI is under-calibrated.

• The tested hotspot rise does not represent the actual maximum winding temperature risewhen tested in accordance with IEEE 1538.

The discussion included the following:

• The first stage of cooling is typically set to operate at 75 degrees C. This temperature is toolow to cause damage to the insulation.

• There are WTIs that allow 3 different stages of calibration. Using a WTI of this type wouldavoid an under-calibrated WTI.

• One manufacturer has found that maximum aging typically occurs when only half the coolingis running.

• It was suggested that the cooling be controlled by the WTI and top oil temperature in parallel.This parallel system provides a check and balance in case of a mis-calibrated or under-calibrated WTI.

• The different oil and winding temperature time constants can have a significant impact. Theaddition of a step load can cause the winding to heat up quickly while the top oil temperatureis well within limits.

• The winding top oil temperature is much higher than the top oil temperature in the main tank.While fiber optic probes can provide the duct oil temperature, a small difference in the locationof the probe has a significant impact on the temperature measured. It is not practical to


measure the temperature of the duct oil. It was suggested we create a Task Force to examinethis issue.

• One way to deal with the under-calibrated WTI is to run the oil pumps all the time.• CIGRE is examining the issue of the K values. Their goal is to produce a technical report.• It was stated that there is a reason not to run the pumps all the time.

At this point, we ran out of time to continue the discussion. The Chair indicated that there wereadditional topics for discussion. He asked that anyone who had additional topics for discussion shouldsend them to him in the next few weeks. He would send out a survey with these items.

7.4.6 The meeting adjourned at 9:15 AM

Don PlattsChair, Insulation Life Subcommittee


7.5 Performance Characteristics Subcommittee (Ramsis Girgis, Chairman; StephenAntosz, Secretary)7.11

7.5.1 Introduction/Attendance

The Performance Characteristics Subcommittee (PCS) met on Wednesday, October25, 2006 with 62 members and 43 guests in attendance. 7 of those guests requestedmembership in PCS. See last page of these minutes for attendance summary.

7.5.2 Approval of Meeting Minutes

The minutes of the last meeting in Costa Mesa, CA were approved as written.

7.5.3 Chairman’s Remarks

7.5.3.1 Administrative Subcommittee Notes

• Future Standards meeting dates and locations are as follows:

Spring 2007: March 11–15, Dallas, TXFall 2007: October 14 - 18, Minneapolis, MNSpring 2008: To Be DeterminedFall 2008: Most probably Portugal

• IEEE PES Meeting: June 19 – 22, 2007 inTampa, Florida. Deadline for submissionpapers is December 11, 2006 and decision to be made by February 12, 2007.

• Starting with the next Standards meeting in Dallas, no paper registration will beavailable

• The “Loss measurement and tolerances” Guide C57.123 will be submitted for dualIEEE / IEC Logo

• Those who are not members of the committee need to get membership

7.5.4 Working Groups and Task Force Reports

7.5.4.1 PCS WG for Continuous Revision to C57.12.90 – Mark Perkins, Chairman; RowlandJames, Secretary

There were 66 persons in attendance, 30 members and 36 guests. After introductions,the chairman asked if there were any patent issues relating to this standard. Beingnone, this discussion was closed. The minutes from the last meeting were thenreviewed and approved as written.

Task Force Reports

1. Marcel Fortin’s report on Short-circuit test revision was not given at the meeting.

2. Gerry Rosselli reported on the progress of the section on measuring Zero –Sequence Impedance of multi-winding transformers. He reported that a survey was


conducted of the PCS subcommittee on draft 2b. There were sixteen responses, nineapproved with no comments, six approved with comments, and one disapproved. In hisresponse to the survey, Bipin Patel provided a suggested re-write of the Draft 2b thatsimplified the presentation. The task force chair preferred this simplified version andrecommended that this be accepted. The group voted to accept this version. SubhashTuli suggested changing the term E in Figure 24 to Eav so as not to confuse the termwith E used in the previous equation. His proposal was accepted. The group alsodiscussed what measurement would be reported, and it was agreed to report the testresults on each individual phase along with the average. Finally, Ramsis suggestedsurveying the Subcommittee one final time with a revised draft incorporating thesechanges. This survey is to be completed immediately after the meeting.

3. Mark Perkins reported that the task force on resistance measurements (section 5 ofC57.12.90) sent a survey with the proposed changes to the PerformanceCharacteristics Subcommittee and the working group. The survey results were 11approved, 4 approved with comments, and one negative by Marcel Fortin. The Chairthen reviewed the final draft of revisions to section 5 and discussed the changes fromthe negative and comments that were implemented into the latest draft. Subhash Tulirequested that we specify a current that could be applied during the 3-hour stabilizationtime in clause 5.1.2 a), for example doing an excitation test. The group decided to saythat the windings should have no significant current for 3 hours and that whatconstituted significant current could be left to the discretion of test personnel. Thegroup then agreed on a vote of 38 to 2 that this final draft of revisions to section 5should be sent to the standards committee for inclusion in the next draft of C57.12.90.

7.5.4.2 PCS WG for Continuous Revision to C57.12.00 - Steve Snyder, Chairman; DennisMarlow, Secretary

The Working Group met on Monday, October 23 at 1:45 PM. There were 22 membersand 37 guests present, with the following 2 people requesting membership:

Joe Foldi — Consultant Devki Sharma — Consultant / Entergy

The addition of the 2 new members brings the Working Group membership to 69.

Following introductions, the minutes of the March 20, 2006 Costa Mesa meeting wereapproved as submitted. Working group members were then asked about anyapplicable patents pertaining to our work. No patents were disclosed by anyone.

The chairman reported that C57.12.00/D3 has been successfully balloted and is readyfor publication.

Old Business:

WG Item 70 clause 6.5.1: Tank Pressure Requirements: The request was to changethe language in this section and delete the reference to the ASME Boiler Code. Thisproposal was discussed at the last meeting and there was not much support in the WGto make a change. The chairman has contacted the balloter and discussed the matterfurther with him, and he does not object to the position of the WG. No changes will bemade to this section.


WG Item 79 Clause 5.7.1: Polarity of Single-Phase Transformers: The balloterquestioned whether the “200 kVA” limit was in error, since this is not a standard rating.The chairman requested a survey of the Distribution Transformers committee to obtaintheir input, and the feedback indicated the standard has been this way since at least1968 and there is no interest in changing it now. The issue has been discussed withthe balloter and he has no objections to the findings of the WG. No changes will bemade to this section.

During this discussion, a question about whether the polarity requirements apply totertiary windings was raised by Don Platts. He made a suggestion about addingtertiary windings to the standard, and will send a proposed clarification to be discussedin a future meeting.

New Business:

The chairman introduced a new C57.12.00 Table 21 (Routine, design, and other testsfor liquid-immersed transformers) that incorporates 8 changes already agreed to bythis WG dating back to April 2002. The most obvious change is the addition of anotherset of columns specifically for Class II Power Transformers, with the intent of clarifyingthe test requirements for all transformers while reducing the number of table notes.The most significant change in the test requirements is to make load loss testing aroutine test for distribution transformers. Much of the meeting time was devoted tocarefully looking through each test and determining if the requirements for eachcategory were correct. Several additions and revisions were identified, and it wassuggested that perhaps the table would be better if restructured strictly along the linesof Distribution, Class I Power, and Class II Power. The chairman agreed to do this, andwill send the new table to the WG members for their review and feedback prior to thenext meeting.

7.5.4.3 WG on Loss Tolerance and Measurement - Ed teNyenhuis, Chairman; AndySteineman, Secretary

13 members and 11 guests attended

IEEE Patent Policy - The policy was reviewed by the WG and an opportunity wasprovided for WG members to identify or disclose patents that the WG memberbelieves may be essential for the use of that standard. No responses werereceived.

Minutes from the Costa Mesa Meeting held on Mar 21st, were read and approved.

Report from TF for “Guide for Low Power Factor Power Measurements”: Thismeeting was chaired by Eddy So who had been absent for 3 years due to illness.There were 9 people present. The Guide is still being worked on. The expressionand evaluation of uncertainty of measurement results were discussed.

Frequency Conversion Factors of Transformer Performance Parameters - The finalwording for C57.12.00 and C57.12.90 will have the below items included. With the


below changes, the wording will be sent on to Dong Kim (C57.12.00) and SteveAntosz (C57.12.90):

Editorial change to the no-load loss exampleAdded Equation numbersChanges will be made to sound level by the Audible Noise WG, which willmeet later on Oct 24th, 2006. The items below will be added / removed:

Added conversions for Load NoiseAdded conversions for the frequency spectrum of Core noiseAdded winding resonance to the types of resonance a transformer

can haveRemoved the part on resonance under rated frequency and added a

sentence for resolution of that situationRamsis Girgis will present and discuss these in the Audible Noise WGmeeting and will finalize the wording of this part of the documentWording will then be sent to be put in 12.00 & 12.90Chairman to prepare introduction on the frequency conversion factors tosend along with the wording

C57.123-2002 – Guide for Transformer Loss Measurement – This Guide needs tobe reaffirmed by Dec 2007. The chairman will edit the revised version of the guideand send to the WG for review. The chairman will also obtain a PAR, ballot pooland submit for ballot. The below are the agreed upon changes:

3.2.3 – error in equation3.2.4 – revised wording to add shell and wound type.3.2.x – Joint type – Proposed wording agreed upon with some editorialchanges (insert between 3.2.4 and 3.2.5)3.2.x – Core size – Proposed wording agreed upon with some editorialchanges (insert between 3.2.4 and 3.2.5)3.2.6 & 4.4.5 – The WG agreed to add reference to the frequencyconversion factors in the C57.12.90 annex.Equation 7, 8 – error – the “=” should be “+”Remove 3.7.2 & 4.5.2 on two wattmeter method – Both sections will bereplaced with wording saying that it is not recommended. The WG agreedto the proposed wording with some editorial changes.3.7.3 – It was agreed to leave as is. The figure 12 will be revised to removethe “30” and “60”.4.4.1 – It was agreed to remove Example 3 since the %pf is outside of thescope of equation 13.Section 9.3.3.4 from C57.12.90 will be put into section 4.5.3. The WGagreed to add this with the below changes in Figure 23:

Add H3, H0Remove CT on H2VT should be connected to H2 (not ground)V connected to ground (remove N, B)

Section 6 – reviewed by Ed teNyenhuis and was OKSection 8 – reviewed by Vladimir Khalin and was OKBibliography – the B13 is not published but will be by 2007 so can be left asis


7.5.4.4 WG on Switching Transients Induced by Transformer / Breaker Interaction,PC57.142,WG - Robert Degeneff, Chairman; Peter Balma, Secretary

The Working Group on Switching Transients Induced by Transformer/Breaker Interaction wascalled to order at 8:05 AM on October 24, 2006. There were 49 attendees, 23 members, 2requesting membership, and 24 guests. The Minutes from the March 21, 2006 meeting in CostaMesa, California were approved, and copies of the minutes, minutes of two conference callswith the Switchgear Committee, and Draft 2.0 of the guide were distributed.

1) IEEE patent policy was reviewed and the group was asked if there were anydisclosures. There were none.

2) Next, Bob acknowledged the contributions of several members of the workinggroup, Phil Hopkinson & Scott Choinski for chairing the last meeting; Pierre Riffonfor rewriting draft 1.7; and Donald Fallon, Ramsis Girgis, and Peter Balma for theirassistance with several conference calls with the Switchgear Committee.

3) A brief history of the working group was reviewed, as listed below:a) Original topic was considered in 1996b) Working Group was formed in 1997c) Task force agreed to write Guide in 1997d) PAR written and C57.142 assigned in 2001e) Asked for assistance of Switchgear Committee, as they had formed

separate WGf) Joint tutorial presented in Raleigh, NC - 3/18/03 by Tobin/Hopkinson/

Degeneffg) PAR extension requested and approvedh) Draft circulated in 2004 – asked for input/guidance from subcommitteei) Ballot held August 2005

4) Results of the ballot, open from 8/9/05 to 9/9/05, were reviewed and are as follows:a) 145 eligible members in ballot poolb) 115 votes received (79% returned)c) 85 affirmative votesd) 22 negative votes with commentse) 2 negative votes without commentf) 6 abstentionsg) 107 countable votesh) 85/107=79% affirmative

5) Two joint conference calls were made with the Switchgear Committee, and minutesfrom those calls were distributed at this meeting. Bob Degeneff reviewed highlightsfrom both calls, which are briefly summarized in the following:a) In the first call, the following items were discussed:

i) Pierre Riffon’s, et. al., major revisions to the document which is now draft2.0.

ii) Guide should contain a list of steps that a user could go through ininvestigating an operational issue

iii) Need to provide guidance on how to recognize potential for problem ineither a new installation or in an application where failure is thought to havebeen caused by this situation


iv) The need to change the title of the guide to “A Guide to Describe theOccurrence and Mitigation of Switching Transients Induced by Transformer,Switching Device, and System Interaction”

v) Additional information on current chopping is needed (Kirk Smith to provide)vi) Several references to C37, IEEE 1313, and IEC-71 are needed (Bill

Bergman agreed to supply)vii) The formation of a joint task force, to be led by Pierre Riffon with members

from both committees, is to be formed.

b) The second conference call considered seven key technical concerns fordiscussion:

(i) Current Chopping(ii) Multiple Re-ignitions vs. Restrikes(iii) Transformers are considered as pure inductance, losses need to be

added(iv) Description of winding resonance(v) Practical guidance to situation(vi) Snubber design(vii) Expand explanation on aspects of system design that could contribute

to this problemElectronic LoadsBackfeed energizationFeeder Cable Length,

6) Marcel Fortin indicated that the Switchgear Committee in their main meeting votedto work on this document as a joint document with the Transformer Committee.

7) Don Fallon indicated we initially tried to include input from others, but really did notget constructive comments until the ballot. However, now that input is coming incollaboration with the Switchgear Committee. The two conference calls held, showthe willingness of the members from both the Switchgear and TransformerCommittees to work together to prepare the next version of this guide. Don did notforesee any reason why such a collaborative effort could not take place.

8) Angela Ortiz of IEEE indicated that continued teamwork with the SwitchgearCommittee was the best possible way to proceed, and that the mechanics of doingso would not be a problem.

9) The question of how we can better publicize this issue was raised. Bob indicatedthat CIGRE had published a document approximately a year and a half ago, andthat was one source of this information. The group had no other suggestions andconcluded that completing this guide was probably the best way to publicize thisissue.

10) The issue of what steps can an engineer take to avoid this problem in advance wasraised once again. And again, the conclusion is that the installation of a snubber isthe most cost efficient way to mitigate this problem. Unfortunately, the studies toconfirm the potential for an interaction problem are far more expensive. Anexample of this situation was raised relative to furnace transformers 30 years ago.Essentially, the interaction problem existed then, but there were very limited tools to


even study the issue. The solution was to add snubbers, which has been donesince that point in time, and the problem has been since.

11) Bob Degeneff proposed the following next steps for this work effort:

a) To revise the title of the guide to “A Guide to Describe the Occurrence andMitigation of Switching Transients Induced by Transformer, Switching Device,and System Interaction.” This will require a new PAR.

b) To revise the scope to reflect the title change and add clarifications, but not toincrease the overall scope of the document.

c) To form a joint task force with the Switchgear committee to revise this documentand be ready to ballot in 2007

12) Peter Balma made a motion that these “next steps” be accepted by the group. Themotion was seconded, and a vote of working group was unanimous, no opposingvotes were cast.

13) Jim McBride made a brief presentation to the group describing his work efforts ondeveloping on-line FRA measurements. As a result of his research, Jim has madesome high quality measurements of system transients, and wanted to share thesewith the group because of its effort to understand system transients and theirimpact with transformers. His efforts indicate that the frequency content of thesetransients is quite high, and that a 40 kV rise in voltage with a 5 usec rise-time hadbeen seen. Key to these efforts. It should be understood that such measurementscan be misleading unless made with equipment specifically capable of reproducingthese higher frequencies.

14) There was no new or old business brought before the group.

7.5.4.5 WG on Revision of C57.21- Standard Requirements, Terminology, and Test Code forShunt Reactors over 500 KVA – Richard Dudley, Chairman

The W.G. met in the Cartier-A Meeting Room of the Delta Centre-Ville Hotel inMontreal, P.Q. on Oct. 23, 2006 from 11:00 a.m. to 12:15 p.m. There were 12members and 11 guests present. The following are the highlights.

1. Introductions were made.

2. The minutes of the meeting in Costa Mesa were approved.

Note: The minutes of the Montreal meeting will not be formally approved until theW.G. meets in Dallas, Texas.

3. IEEE patent policy was highlighted by the Chairman and no patent issues weenoted that could impact the revision of IEEE C57.21.

4. Draft # 6 of the revision of IEEE C57.21, prepared by the Chairman, wasdiscussed. Revision of the document is largely complete. Discussion was focusedon a small number of outstanding issues, most of which were identified andpartially discussed via e-mail prior to the meeting. The following are the highlights.


(i) Based on discussions the Chairman had with Jeff Nelson, Chairman of theIEEE Switchgear Committee, Annex B should be acceptable to the IEEESwitchgear Committee. The focus of the informative annex is on transientsseen by shunt reactors during switching and is a basis for the elimination ofreduced BILs from Table 5.

(ii) Christoph Ploetner made a presentation on the issue of whether lossesshould be referred to rated current, as is current practice, or rated voltage.Christoph’s presentation which was prepared based on his discussions withBertrand Poulin, are attached to these minutes. The tolerance onimpedance and the actual achieved impedance creates the issue. Inservice, the actual current is determined by the actual achieved impedance.The actual achieved impedance determines the actual in service MVAR ofthe shunt reactor. Utilities “buy” MVARs but guaranteed losses areimportant for commercial reasons; especially in the case of loss evaluations.It was finally the consensus of the W.G. to reduce the tolerance onimpedance from ± 5% to ± 2.5% and reference losses to rated current ashas been the practice in the current version of IEEE C57.21.

(iii) The hi-pot levels in Table 5 for the applied voltage test were discussed. Thehi-pot levels for dry type SRs in the current version of IEEE C57.21 arebased on those for insulators. They are higher than those for oil immersedSRs of the same voltage class. One W.G. member pointed out thatinsulators are components and therefore have higher hi-pot levels.However, insulators as applied to dry type SRs should have hi-pot valuesbased on the application. Therefore, Pierre Riffon proposed that the hi-potvalue for oil immersed and dry type SRs should be the same and that thevalues for oil immersed SRs should be used. Hi-pot values for oil immersedSRs are based on insulation co-ordination practices. Table 5 will bemodified accordingly. It was also noted that hi-pot levels for oil immersed &dry type transformers are the same.

(iv) For shunt reactors, reduced BILs are not utilized due to the frequentswitching. For power transformers, LA protection practice is different andtherefore there are different BILs for the same voltage class.

(v) The recommended impulse level for 550 kV System Voltage should be;lightning 1550 kV, chopped wave 1705, and switching 1290.

The Chairman agreed to produce Draft #7 and circulate it to W.G. members prior tosubmitting to IEEE for formal ballot. The meeting adjourned at 12:15 p.m.

7.5.4.6 WG on Revision of C57.110 – IEEE Recommended Practice for Establishing Liquid-Filled & Dry-Type Power & Distribution Transformer Capability When Supplying Non-Sinusoidal Load Currents – Rick Marek, Chair; Kent Haggerty, Co-Chair


The meeting opened on Tuesday at 1:45 PM with 12 members and 12 guests present.Following introductions, the minutes from the March 21, 2006 meeting in Costa Mesa,California were approved as submitted with a correction to the date.

The chairman reviewed the IEEE patent disclosure requirements. No guests ormembers indicated knowledge of patent activity applicable to the work at this meeting.

With no comments concerning old business, Draft 3 was reviewed. This draftincorporated all the results from the working group review of Draft 2, including revisionsto the abstract, key words, and introduction. Additional wording was added to thesection concerning transformer heating due to third harmonics. The rigorous testmethod in Annex C was replaced with a brief mention of testing using electronic powersupplies. The proposed section on loading above nameplate rating was removed,since the whole document was related to loading.

Hasse Nordman suggested adding several electromagnetic field figures from IEC61378-3 to replace the single figure D1. These figures would better demonstrate theeffects of harmonics on the field, since Annex D is a tutorial section. He will sendinformation on the specific figures suggested.

The WG members were requested to carefully review the draft, since the next step willbe to ballot the document.

7.5.4.7 TF on Semi-Conductor Rectifier Transformers, C57.18.10 – Sheldon Kennedy,Chairman

The Working Group met on Tuesday, March 21, 2006 at 3:15 PM with 12 members and6 guests present. Sheldon Kennedy chaired the meeting.

The IEEE disclosure statement was read. There were no patents pertaining to thisstandards work for which any members had awareness.

The minutes of the March 21, 2006 meeting in Costa Mesa, California were approved.

The Chair announced that the Amendment, C57.18.10a/D1, had been put out for asurvey in the working group. Only 6 votes were received to date. They were allpositive, but one contained a comment that there was an additional error in the Circuit50 diagram that should be corrected. It showed three neutrals coming to one side ofthe interphase transformer and only one coming to the other side of the interphasetransformer. There should be two on either side. We are correcting the errors andmissing or undefined terms. So it was felt that this should be corrected immediately.Since we don’t have enough votes back on the survey yet, the Chair will circulate Draft2 for survey in the Working Group, with the Circuit 50 correction, immediately followingthe meeting.


The Chair reminded the Working Group that IEEE had published an Errata in January2006, correcting some of the problems that occurred when the Word copy wasconverted to a PDF file.

If the working group survey is successful, the Performance CharacteristicsSubcommittee will be surveyed, if desired by the Subcommittee. If that is successful,Amendment C57.18.10a/D2 will be submitted to Revcom.

7.5.4.8 WG on Neutral Grounding Devices, PC57.32 – Steve Schappell, Chairman

The working group met at 9:30 a.m. on Tuesday, October 24, with 13 in attendance; 5members and 8 guests. One of the guests requested membership and will be added.The roster was handed out and introductions made.

The current status of the document was discussed and it was noted that the PARexpires in December 2006. A two year extension is needed, but the filing date hasbeen missed, so special approval from IEEE will be required.

The group began by reviewing Draft 2 of the Standard. Peter Balma agreed to reviewthe definitions in the guide and report back in one month. Richard Dudley agreed toreview Equation 1 (current crest) as it does not seem to agree with the C57.16Standard.

While reviewing Table 8 (Limiting Temperature Rises for Current Carrying Parts –Neutral Devices) it became apparent that a previous topic of discussion was neverresolved. Richard Dudley presented a two page document, and stated that he wouldlook at incorporating some of the information into Table 8.

The section on Ground Fault Neutralizers was discussed. Richard Dudley wouldrequest input from Klaus Papp. If Klaus is unable to help, Richard will create a newdraft.

The section on Grounding Transformers was discussed, and Steve Schappellvolunteered to create a new draft.

The section on Resistors was discussed. Doug McCullough presented a two-pagedraft, which is much appreciated. The group made comment that seismic tests shouldbe listed as an “Other” test, and that “Design” tests do not have to be made at anindependent test laboratory. Also, “Dielectric Test” could be stricken from the test table,as specific dielectric tests are already listed.

The section on Capacitors was discussed. Several manufacturers of these deviceswere provided: GE, ABB, and Cooper. It was agreed that we would request input fromthese manufacturers on this section.

7.5.4.9 WG on the Guide for the Application and Interpretation of Frequency ResponseAnalysis for Oil Immersed Transformers, PC57.149 –– Chairman; Charles Sweetser

There were 41 persons in attendance, 12 members and 29 guests of which 6 guestsrequested membership. The first order of business was to show the two slides


regarding patents and inappropriate behavior. The minutes from the last meeting werepresented and approved without comment.

The Working Group Chair presented a brief report on what had been done in the lastsix months. It was estimated that the document is over 90% complete. The latestcontributions were identified and discussed.

Edits to Section 3: Making an FRA MeasurementSection 3 consists of 6 connection tables covering single phase, two-winding, three-winding, and auto-transformer configurations. The tables were edited in accordancewith IEEE Std C57.12.70-2000 “IEEE Standard Terminal Markings and Connections forDistribution and Power Transformers.” A reference note to this standard was alsoadded.

First Draft Completion of Section 5: Analysis and InterpretationSection 5, considered to be the most difficult, was submitted for the first time. This firstattempt is relatively simple and consists of various analysis strategies: TraceCharacteristic, Trace Comparison, and Relation to Other Diagnostic Tests. Subjectssuch as Modeling and Failures Modes still need to be addressed.

The rest of the meeting focused on reviewing the work required to finish each section.

Section 1: Scope and Application - The 20 definitions in place are too descriptive.These definitions will be reviewed and edited for length and content. George Frimpongvolunteered for this task.

Section 2: Scope and Application - Complete, editorial work only.

Section 3: Making a FRA Measurement - This section dominated the discussions.Richard Breytenbach, Larry Coffeen, Jim McBride, and Mark Perkins expressedconcern regarding the terminal marking convention used in Section 3, which presentlyreferences IEEE Std C57.12.70-2000 for establishing the test polarity and sequence.They recommended that second or alternate convention be established. This secondor alternate convention addresses only delta connected windings. They want thetest polarity and sequence H1-H2, H2-H3, and H3-H1 regardless of group type orphase orientation; the same considerations should also be given to X and Y markeddelta terminals. The basis of their argument is that it is easier for less knowledgeablefield personnel to remember. Richard Breytenbach agreed to provide the alternateconnection instructions, including a purpose, description, and terminal connectiontable. The FRA Working Group will review this contribution at the next meeting.

Section 3 offers 4 test types: Open Circuit, Short Circuit, Inter-Winding, and TransferVoltage. Section 3 will be edited showing the Open Circuit and Short Circuit tests asthe minimum recommended tests. The others, Inter-Winding, and Transfer Voltage,will be labeled as additional and investigative.

Bob Degeneff recommended we consider discussing test types that can be used fortransient system modeling. We will address this subject as more information iscollected.

• Section 4: Test Records - All of the information is present, however it needs betterpresentation.


• Section 5: Analysis and Interpretation – The group agreed on the basic componentsfor this section, however, additional figures need to be added.

• Section 6: Appendix FRA Theory – Alan Darwin made a short presentation regardingmodeling. This presentation focused on the modeling work done by Dr. ZhongdongWang from the University of Manchester. We are hoping to include some of thiswork in our modeling section. Alan Darwin agreed to review and edit this sectionfor length and content. Some of this work may also be incorporated in Section 5.

Patrick Picher presented a CIGRE Update. Patrick is the CIGRE Working Group Chairfor A2.26. The PC57.149 FRA Working Group plans to have an updated draft D3 atnext meeting.

7.5.4.10 TF on Core Overexcitation – Craig Steigemeier, Chairman

The sixth meeting of the Core Over-Excitation Task Force authorized by thePerformance Characteristics Subcommittee took place at 3:15 pm on October 23,2006. This Task Force is charged with the identification of limits for core over-excitation and coming up with suggestions for modification of appropriate standards.There were 64 total attendees, of which 20 were members and 44 were guests.Nineteen (19) of the 64 attendees were first time attendees to this task force meeting.Two (2) attendees requested membership and will be added to the Task Forcemembership roster.

The following agenda for the meeting was reviewed with the attendees:

• Participant introductions – sign attendance roster• Patent reminder• Approve Minutes of Costa Mesa Meeting• Task Force Charter & Scope:• Charter – Performance Characteristics Subcommittee• Scope – The impact of excitation overvoltage on the transformer core• Review Suggested Modifications to Standards based on discussion at the Costa

Mesa meeting• Discuss suggested text for Surface Temperature Limit• Action item review

At the beginning of the meeting, attendees were reminded of the need to adhere to theIEEE patent policy was stressed and the chair asked for anyone aware of patentablesituations to bring it before the group. No one offered the chairman suggestions duringor after the meeting of patentable work or identified any inappropriate topics coveredduring the meeting.

A discussion was opened to review the minutes from the Costa Mesa meetingpublished on the Committee website. A vote was taken and the Costa Mesa meetingminutes were approved as reported.


The changes to C57.12.00 (IEEE Standard General Requirements for Liquid-ImmersedDistribution, Power, and Regulating Transformers), Section 4.1.6 (Operation aboverated voltage or below rated frequency) suggested at the Memphis (Fall 2005) meetingand discussed again at the Costa Mesa meeting were reviewed in detail. The followingsuggestion was made for the re-write of C57.12.00, with the text in blue being theadditions to the standard suggested at the Memphis meeting:

4.1.6 Operation above rated voltage or below rated frequency4.1.6.1 Capability

Transformers shall be capable of:a) Operating continuously above rated voltage or below rated frequency, atmaximum rated kVA for any tap, without exceeding the limits of observabletemperature rise in accordance with 5.11.1 when all of the following conditionsprevail:

1) For distribution transformers:1a) Secondary voltage and volts per hertz do not exceed 105% ofrated values.1b) Load power factor is 80% or higher.

2) For generator step-up transformers, the primary voltage is equal to thehighest generator voltage at full load as specified by the user.3) For system tie transformers, the primary and secondary voltages areequal to the highest levels specified by the user.4) Frequency is at least 95% of rated value.

b) Operating continuously above rated voltage or below rated frequency, on anytap at no load, without exceeding limits of observable temperature rise inaccordance with 5.11.1, when neither the voltage nor volts per hertz exceed 110%of rated values.

In the case of multiwinding transformers or autotransformers, 4.1.6.1 applies onlyto the specific loading conditions used as the basis of design. These loadingconditions involve simultaneous coordination of kVA input and output, load powerfactors, and winding voltage combinations [see item j) of 4.3.3]. Differences inloading and voltage regulation for various output windings may preventsimultaneous achievement of 105% voltage on all output terminals. In no case shallthe kVA outputs specified for any loading condition require continuous loading ofany input winding in excess of its rating.

4.1.6.2 Maximum continuous transformer operating voltage (unchanged)

4.1.6.3 Core hotspot temperature limitTo avoid the generation of gasses in the core, the core hot spot temperature should belimited to 130ºC for the condition of highest core over-excitation, full load, and thehighest ambient temperature for transformers filled with mineral oil. It should be notedthat the calculation for the hotspot is unique and different from the core surfacetemperature. The location of the core hotspot is typically in the center, or betweencooling ducts, of the upper part of the core. Gas generation in this area is caused byoverheating of a thin film of mineral oil.

The following comments were made during general discussions of the suggestedtext:


• (Pete Balma) For GSUs, are we specifying that the highest generatorvoltage at full load is the overexcitation voltage requirement?

Craig indicated yes. Additional comments along same line.• (Dan Perco) Discussion of core hotspot vs. surface hotspot. Leakage flux

could result in core hotspot temperatures on the surface vs. in the center.• (Harold Moore) Should discuss capability of core (and adjacent) materials

at elevated temperatures.• (Ramsis Girgis) Core hot spot limit is related to oil thin film gassing.

Other materials would be more related to surface temperatures.• (Harold Moore) Spacers made of materials such as pressboard are only

good for 95°C, and therefore are a valid concern.• (Hasse Nordman) Same temperature limits for metallic hot spots adjacent

to insulation materials would apply.

The following comments were made during the discussion of the suggested SurfaceTemperature Limit text:

• (Tim Raymond) What are we trying to say? If we are trying to put arequirement on the core surface temperature limit, this should be clarifiedby stating that the 130°C core temperature limit applies to internaltemperatures and that the core surface temperature should be limited tothe maximum allowable temperature for metallic hot spots in contact withsolid insulation.

• Several participants further discussed the 125°C surface temperaturelimit. The origin of the limit and appropriateness were discussed.

• Harold suggested wording it such that any materials in contact with thecore surface must be compatible with the maximum expectedtemperatures, such as 95°C for pressboard.

• Craig was asked to summarize the comments, noting that the specificsurface temperature limits should be removed and text included to reflectthe limitation based on the core insulation material. He agreed to comeup with suggested text, which follows:

• Core surface temperatures, including interior cooling ducts, shall be limitedby the temperature capability of the insulation materials in contact with thecore surface. For non-thermally upgraded pressboard, this limit would be95°C.

Craig will communicate the information that has been compiled to date to theappropriate Working Groups that have responsibility of revising standards that areimpacted by the suggestions of this task force. A summary of those communicationfollow:

• Performance Characteristics SC (Ramsis Girgis, Chair)• WG revising C57.12.00 (Steve Snyder, Chair)

• Recommend that the wording for 4.1.6.1 be modified and an addition (4.1.6.3) isincluded that aids in the clarification of overvoltage capability and hotspot limits.

• The inclusion of a specific temperature should note that the limit applies only tomineral oil insulated transformers.

• Capacity limits or capabilities should be included on the nameplate that makes thetransformer design unique.


• Insulation Life SC (Don Platts, Chair)• WG revising C57.91 (Tim Raymond, chair)

• Suggest inclusion of core hotspot temperature limit in C57.91.• Provide the suggested addition of 4.1.6.3 for consideration,

• Insulating Fluids SC (Rick Ladroga, Chair)• WG revising C57.104 Gas Guide (Rick Ladroga, Chair)

• Suggest that text should be included to note that moderate core overheatingdoesn’t place the transformer at risk.

• A guideline for low levels of gas generation with a H2/CH4 ratio in the range of 6-8should be considered for incorporation into a future revision of C57.104.

If meaningful responses to these communications are received prior to theDallas meeting next spring, a session will be scheduled to review thosecomments. It is expected that the individual working groups will need some timeto consider the comments, so it is likely that the work of this task force is overuntil such time as a response to questions or modification suggestions arereceived.

7.5.4.11 TF on Revisions of S.C. Test Guide C57.133 & PCS 57.12.90 Section 12, MarcelFortin, Chairman

This The Task force met from 11h00 to 12h20. 46 persons attended the meeting; 18signed to become members of the WG, the other 28 signed as guests and will be onthe mailing list. The chairman particularly welcomed the 7 guests from local Utility andmanufacturers.

The IEEE patent slides were presented. The attendees did not have patent issues toreport.

Section 12 of C57.12.90: Short-circuit test code

A summary of comments from previous ballot have been presented by the chairman.The chairman presented the proposed modifications to the document. The 2 majorones are:

Ø Change the preferred method from post-set to pre-setØ Remove LVI.

Those changes have been accepted by the WG.

The LVI is replaced by DGA (more details will be needed to explain how to do it andthat the gas of concern is acetylene). An informative note will refer to FRA as arecommended tool. Reference will also be made to FRSL (Frequency Response ofStray Losses).

The acceptable impedance variation for class IV transformers is reduced from 2 to 1%.

The acceptable minimum temperature for doing test will be kept as it is now (top oil >0°C).

It was decided to make routine tests compulsory for all transformers.


There were discussions about the need for test procedure and guide. It was proposedto survey north american laboratories on: short-circuit test trend, failure rate at test,diagnostic tool (DGA, FRA, FRSL, …), short circuit method (pre-set vs. post-set)

Pierre Riffon raised a question about axial split coils.

Course of action

- Patrick Piché will provide the chair with reference papers on FRSL- Marcel Fortin will review the draft to include comments made at the meeting and

circulate it for review at the WG level in early 2007.- Marcel Fortin and Jacques Côté will perform the survey of North American

Laboratories and report for the spring 2007 meeting.- Pierre Riffon will provide the chair, in early 2007, a text to cover tests on axial

split coils.

PC57.133 Short-circuit test guide

Marcel Fortin’s report on PAR status: The document has to be completely reformattedand the bulk of it (LVI) has to be removed. Some additions may be needed about FRA,DGA, and FRSL. Time did not permit to discuss this topic.

Course of actionMarcel Fortin will continue reformatting and rewriting this guide and report at the spring2007 meeting.

Spring 2007 meeting2 consecutives periods will be needed in order to properly cover the test code and theguide.WG has been formed to revise section 12 of C57.12.90 and also the SC GuideC57.133.

7.5.5 Old Business

None

7.5.6 New Business

7.5.6.1 The question was raised that Coupling Transformers are not covered in C57.12.00.There are some unique features with regard to VAR loading, filters, and low poerfactor. It was decided to send this request to the Power Transformers Subcommitteefor consideration.


7.6 POWER TRANSFORMERS – TOM LUNDQUIST, CHAIRMAN

The Power Transformers Subcommittee met on Wednesday, October 25nd, 2006 with 48 membersand 67 guests.

The minutes from the Memphis, TN meeting were approved with no changes or corrections.

The chairman asked if anyone was aware of any patent conflicts, none were voiced.

7.6.1 WORKING GROUP AND TASK FORCE REPORTS

7.6.1.1 TASK FORCE FOR REVISION OF C57.17, REQUIREMENTS FOR ARC FURNACETRANSFORMERS – Dominic Corsi, Chairman

NO MEETING MINUTES RECEIVED.

7.6.1.2 WORKING GROUP FOR DEVELOPMENT OF PC57.143, GUIDE FOR APPLICATIONOF MONITORING TO LIQUID IMMERSED TRANSFORMERS AND COMPONENTS-Donald Chu and Andre Lux, CoChairmen

Meeting Minutes for Working Group on PC57.143 Transformer monitoring. 8:00 AM October 23,2006 Delta Centre-Ville Hotel; Montreal, Quebec

• 92 members and guests were in attendance.• Patent issue was mentioned with no one presenting an issue.• Review of work completed since the fall meeting:

o Addition of Section 6.7, Installation Considerations – Tony Pinko Addition of Section 6.9, Control Function - Tony Pinko Complete re-write of Section 7, Benefits – Brian Sparlingo Re-write of Section 5.6, Winding Temperatures – Terry Martino Complete Re-Write of Section 5.4..2, Acoustic Methods – Jack Harleyo Addition of Section 5.4..3, Types of Acoustic Methods – Jack Harleyo Annex 2, Partial Discharge – Electrical and Acoustical Methods - complete re-write/

update - Prodipto Sankar Ghosh. Replaces existing partuial discharge material inthe Annex

o Annex 3 , Winding Temperatures – Complete re-write. Reduced in length from 12pages to 6 – Richard Van Neste and Tom Lundquist

o Annex 4 – Reference Tables (From CEA Report) – Deleted (8 – 9 pages)• Review of issues resolved during the meeting:

o Delete Table 4.3.7.5o Delete Table 7o Delete sections 6.13, 6.14, and 6.15o Delete section 6.16 starting with “Starting Point ….”

• Tasks remaining prior to straw ballot process:o Section 5.4.1.1 Electrical PD – To be condensed: Claude Kane assignedo Cross check definitions with the IEEE standard definitions in C57.12.80o Convert the annex sections to the new format.o Check reference listo Add participant list


• Revised document with above revisions to be posted and participant list will be solicited forstraw ballot process.

• The meeting adjourned at 8:45.

7.6.1.3 WORKING GROUP FOR DEVELOPMENT OF PC57.148, STANDARD FORCONTROL CABINETS FOR TRANSFORMERS – Joe Watson, Chairman

The working group met at 11:00 a.m. on Monday, October 24, 2006, with 25 in attendance. Therewere 8 members and 17 guests in attendance. Six of the guests requested membership.

Rosters were handed out. Joe discussed a conference call that took place the week of October16th, concerning the drawings that will be a part of the Standard. The intent is to have a set ofstandard drawings for six types of transformer designs: 1) ONAN Non-LTC, 2) ONAN LTC, 3)Forced Air Non-LTC, 4) Forced Air LTC, 5) Non-LTC with oil pumps, 6) LTC with oil pumps. Joestated that the intent is to have the Draft ready by the next meeting with all drawings. Thedrawings will be posted on the IEEE website, available for download.

Frank Wolfe presented information from the conference call in more detail. Revisions to thedrawings will include removing references to vendor names and transformer manufacturers,showing schematics for the LTC and some other devices as a “black box” instead of specificdetails, as well as standardizing of gauges. A meeting was set up for Monday, January 8, 2007 todiscuss the drawings once these changes are implemented, which was estimated to be thesecond week of December. All interested parties were asked to contact Frank.

A suggestion was made to send the current draft to the editorial staff for review. Joe stated thatthe document requires further changes before it will be ready.

A motion to adjourn was made, and the meeting was adjourned at 11:27 am.

7.6.2.1.4 WORKING GROUP FOR DEVELOPMENT OF PC57.131, STANDARDREQUIREMENTS FOR TAP CHANGERS - William Henning, Chairman

The Working Group on LTC Performance met on Monday, October 23, 2006 with 14 membersand 21 guests.

The working group chairman asked if anyone had information on patents related to the work ofthis working group. It was noted that no one present at the meeting expressed knowledge ofpatents related to our work.

Next, the minutes of the previous meeting in Costa Mesa were approved as written.

At our previous meeting in Costa Mesa, the WG discussed 24 comments received during a strawvote. Revisions were made to the draft in response to the 24 comments. This resulted in Draft 1.1of the C57.131 revision, distributed to WG members.

At this meeting, the WG discussed the definition and use of the term step voltage as it relates to:

1. Resistance type load tap changers

2. Reactance type load tap changers


3. De-energized tap changers

This discussion was necessary because the scope of C57.131 was modified to includerequirements for de-energized tap changers, and the latest draft lists “rated step voltage” as arequired nameplate rating. It was therefore necessary to define just what “rated step voltage”means for a de-energized tap changer so that its rating can be determined.

After some discussion, it was concluded that the term step voltage does not apply to a de-energized tap changer. The term step voltage is defined as the maximum permissible voltagebetween tap changer terminals for a given value of rated through current. Although it is amaximum voltage, rated step voltage has nothing to do with dielectric withstand. Dielectricwithstand is covered by the insulation level rating, which specifies dielectric withstand betweenadjacent contacts.

The term rated step voltage has a meaning similar to the voltage rating of a load break switch: It isthe maximum voltage between tap changer terminals (for a given value of through current) atwhich the tap changer switching contacts can perform the required arc interruptions in order tochange taps under load. Since a de-energized tap changer does not switch under load, the termrated step voltage does not apply.

This means we need to make the following changes to the draft:

1. The definition entry for step voltage will read, “rated step voltage of a load tap changer.”

2. A note will be added to the definition that, “The term step voltage does not apply to de-energized tap changers.”

3. The quantity, “Rated step voltage,” will be removed from the list of required ratings for de-energized tap changers.

It was also pointed out that the IEEE Dictionary (Standard 100) also has a definition of stepvoltage. That definition refers to the electrical safety issue of the voltage gradient that results fromelectric currents flowing in the earth, causing a step voltage between the feet of a worker standingon the earth. Change #1 in the above list removes the possible conflict with the IEEE dictionarybecause it refers specifically to the rated step voltage of a load tap changer.

These changes will be made, and the draft number changed to 1.2. This draft will be re-circulatedin an informal straw vote among the WG members for comments on this issue.

The meeting adjourned at 2:55 pm.

7.6.1.5 WORKING GROUP FOR DEVELOPMENT OF PC57.140, GUIDE FOR THEEVALUATION AND RECONDITIONING OF LIQUID IMMERSED POWERTRANSFORMERS - Rowland James, Chairman.

INACTIVE.


7.6.1.6 IEEE C57.120-1991, IEEE LOSS EVALUATION GUIDE FOR POWERTRANSFORMERS AND REACTORS REAFFIRMATION REPORT - Michael Lau

INACTIVE.

7.6.1.7 WORKING GROUP FOR DEVELOPMENT OF PC57.150, GUIDE FOR THETRANSPORTATION OF TRANSFORMERS AND REACTORS RATED 10,000 KVA ORLARGER –Greg Anderson, Chairman

Greg Anderson, Chair of the Working Group for Transportation Issues Guide, PC57.150, called themeeting to order at 3:15 pm, Tuesday, October 24, 2006. Also present were the Vice-Chair, EwaldSchweiger and Secretary, Susan McNelly.

There were 21 members present with 35 guests and 5 guests requesting membership in the WG.Those requesting membership were:

Barry BeasterPierre FeghaliJoe FoldiAlan PetersonSteve Wolfer

Agenda:1. Introductions2. Patent Issues3. Approval of Fall 2005 Minutes4. Submittals

Submittals have been received from:1. Dave Wallach2. Craig Swinderman3. Jane Verner4. FPM (Siemens, Mexico)5. Kipp Yule

5. Sections needing assignment

The IEEE Patent disclosure requirements were discussed and a request was made for disclosureof any patents that may be related to the work of the WG. There were no responses to therequest for disclosure.

Approval of minutes from the Spring 2006 Costa Mesa meeting was requested.Greg reviewed the purpose of the guide and thanked those that have already providedinformation that has been input into the guide to date.

Greg mentioned that he has been asked to provided a certificate that the transformer is in goodcondition on receipt. The certificate is limited to those things that can be readily determined, suchas no visible damage, no impacts recorded, pressure maintained, etc.


Comment - this is a joint responsibility between the manufacturer or manufacturer’s representativeand the customer or customer’s representative. This is often necessary due to progresspayments or payment of all but a retainer.

Comment - If it is a transportation guide we are providing, then the hazards must be presented.There have been instances where there were no signs of damage, no impacts recorded, etc, butin reality, as further testing progressed, it was discovered that the units were damaged beyondrepair. These pitfalls need to be identified. Mark Hammer agreed to help with this section.

The installation Guide, C57.93, is presently out for ballot and does provide some overlap to thisguide. The plan was to not hold up this document, but that the information would be put into thisguide as well and later removed from the Installation Guide on a future revision.

Bob Tillman and Marnie Roussell volunteered to help with Clause 4, regarding necessaryinformation to be provided to a contractor.

Joe Kelly indicated that there are ASTM standards in regards to nitrogen or dry air filling, D 1933-2003 type 3 for nitrogen filling and D 3283-1998 for dry air filling that specify the properties of theair or nitrogen in addition to dew point values.

Assignments:

1. RFQ, Specification

Transportation relevant data:

AssignmentUCC vs Incoterms (see Installation Guide) Ewald SchweigerExact address, contacts, status of site (existing, under construction) Users requested to send in spec requirementsDave

Wallach – providedBob Tillman & Marnie Roussell

2. Design

AssignmentVertical / Longitudinal / Lateral direction It was determined that we should not try to tell the

Manuf how to design the transformer.We may want to have some minimal requirement that the unit needs to be designed

for truck or rail shipment regardless of how it is initially shipped. This should be notedon the nameplate Should also make a comment that different locals, countries, andshipping providers take different care of transformer shipments.

Add some criteria on bracing. Ron Barker will provide some wording on this.

3. Shipping preparation (XFMR – Main Tank)

AssignmentGas Filling - Dry air supply, # of bottles;Pressure; Regulator Bill Darovny


4. Shipping preparation (Accessories)Crates / Boxes / Containers

AssignmentSpecial requirements Tom Lundquist will resend info he supplied previouslyMaterial legal compliance (treatment of lumber, etc) OpenRefer to §5.1 Paper “Heavy Hauling, transportation and Rigging Guidelines for PT” - TF for TruckRigging&Crane Open

5. Shipping

AssignmentForwarder – Selecting subcontractors, checklist OpenBarge and ocean vessels - Age of equipment,Registration, Lashing Phil Sherman, Kipp Yule, Dave KirshnerOthers - Airplanes Ewald SchweigerOil Open

6. Arrival (Receipt) Inspection

AssignmentElectrical Tests - FRA (specify tests - transformer oil filled y/n, before after testing, with orwithout bushings) Jane Ann Verner and Jerry MurphyMechanical Tests - Ratio, Winding resistance, dielectric Power Factor, Insulation Resistance,No load excitation at 60Hz and 110% rated voltage, Induced voltage test, and DGA Jane Ann Verner and Jerry Murphy

In general, good progress is continuing to be made on the document. A draft will be sent out in thenext several weeks for review.

Meeting was adjourned at 4:00 pm.

7.6.1.8 WORKING GROUP FOR THE REVISION OF C57.93, INSTALLATION OF LIQUID-FILLED TRANSFORMERS - Michael Lau, Chairman

The Working Group for The Installation of Liquid-filled Transformers was called to order at 1:56PM on Tuesday October 24, 2006. There were 32 attendees, 13 members, 1 requestingmembership, and 18 guests. Minutes from the previous meeting were distributed, introductionswere made, and the agenda for the meeting was reviewed. Minutes from the March 21, 2006,meeting in Costa Mesa, California, were reviewed and approved without comment.

1) IEEE patent policy was reviewed and the group was asked if there were any disclosures.There were none.

2) The request to form an official ballot pool was issued, and was closed on September 30,2006. The ballot pool has a total membership of 154 individuals, with the followingcomposition:

• General 37.7%• Producers 13.6%• Users 48.7%


3) The official ballot opened October 4, 2006, and as of October 23 had 68 responses. Anadditional 48, or more, responses will be required to validate the ballot.

4) As an item of new business a discussion of the theft of copper from station grounds,transformer neutrals, and fence grounds was held.

a) Several pictures demonstrating examples of theft were shared with the group, and keyconcerns of the issue highlighted were:• The system neutral may end up floating and this condition may not be immediately

detected.• Customers will see voltage fluctuations or low voltage.• System protection may not act as intended.• Concern for public safety.

b) A discussion of measures to deter this type of theft considered the following:• Use of Copperweld ground cables• Galvanized steel connections for fence grounds• Cable identifiers or microdots to identify the companies cable• Painting grounds to make them less visible• Enhanced fencing with razor wire• Installation of real and fake video cameras• 24 x 7 guard protection

c) A discussion of alternate methods of creating the neutral connection at a transformer tankconsidered, placing it in the ribs of the transformer; making the neutral connection internalto the transformer, but brought out in a manner to still permit isolation and testing, or tolocate it within the ribs of the transformer tank.

5) A request for any other new or old business was made, however none was presented.Therefore the meeting was adjourned at 2:45 PM.

7.6.1.9 TASK FORCE FOR FUNCTIONAL LIFE TESTS OF DE-ENERGIZED TAPCHANGERS – Phil Hopkinson, Chairman

The Task Force on Life Tests, De-energized Tap Changers was called to order at 9:30 AM onOctober 24, 2006. There were 37 attendees, 23 members, and 14 guests with 4 requestingmembership. Reviewed the agenda for the meeting, and the IEEE patent policy. The Minutesfrom the March 21, 2006, meeting in Costa Mesa, California were approved.

1. Mission – Develop Functional Life Test and Supporting Technical Paper for De-energizedTap-changers. Reminder that the goal is to develop the test and have a paper thatsupports the test. Test will ultimately be included in C57.131.

2. Reports from Reinhausen, Central Moloney, Quality Switch/Cooper and others on testresults. No new data to report. Reinhausen, Quality Switch and Central Moloney shouldhave data to report for the next meeting.

3. Functional Life TestsA functional life test shall be performed as a Type Test to demonstrate the adequacy of thecontact design to achieve long stable thermal life. The test consists of thermal cycling at


accelerated current and temperature, whith daily cool-down cycles. A successful test iscompleted if contact resistance remains within 25% of the original value and stability isachieved.

The test is conducted by passing twice rated current through the contacts for 8 hours percycle at ambient temperatures of 130°C. A total of 30 cycles (days) of the 8-hour on 16hour off 2XN current are required to complete the functional life test.

2 Criteria of success:1. Resistance change <25%2. Stability reached

Testing has shown that the proposed test approximates 30 years of aging in a 30-day test.

4. Proposed paper “Electrical Contacts for Off-Circuit Tap Changers for Oil ImmersedTransformers” Revised October 11, 2005The paper is posted on the IEEE website for this working group (from the TransformerCommittee home page, go to the Power Transformers subcommittee, and then theFunctional Life Tests for DETC’s TF). All are encouraged to review and comment on thepaper. Intention is to publish as an industry paper.

5. New BusinessA question was raised if short circuit currents produce same phenomenon as occurs withsteady state current. It does not because short circuit currents produce repulsion forceswhich may separate the contacts, create arcing, and welding.

The meeting adjourned at 10:28 AM.

7.6.1.10 WORKING GROUP FOR REVISION OF C57.135, GUIDE FOR THE APPLICATION,SPECIFICATION AND TESTING OF PHASE-SHIFTING TRANSFORMERS – JimMcIver, Chairman

The meeting was held on Tuesday Oct. 24th at 11:00 am. After the usual introduction and displayof IEEE’s Patent policy, the minutes of the previous meeting were approved as written.

Due to job changes and work re-assignments, the group is once again without a secretary. TheWG Chairman will solicit volunteers to assume responsibilities of secretary, as well as to assist inthe revision of Section 4 figures.

• 8 members, 12 guests were in attendance.• WG Chair still must submit PAR & officially initiate the revision process. This will be done

immediately after this meeting. Once PAR is submitted, WG will obtain an editable versionof the standard from IEEE and begin figure revision.

• WG has received few comments which request editorial revisions. Focus of the WGremains editorial revisions & clean-up of the original figures

o Discussion at the WG meeting focused on guidance provided for functionaldescription of phase shifter applications. This interchange produced some newsuggestions for possible additions; these will be documented & sent to chairmanfor consideration.

o TF members will continue to meet electronically to reformat & revise Section 4figures.

• The meeting was adjourned at 12:15 PM.


7.6.1.11 WORKING GROUP FOR REVISION OF C57.12.10, STANDARD REQUIREMENTSFOR LIQUID IMMERSED POWER TRANSFORMERS - Javier Arteaga, Chairman

NO MEETING MINUTES RECEIVED.

7.6.1.12 IEEE STD 638-1992, IEEE STANDARD FOR QUALIFICATION OF CLASS 1ETRANSFORMERS FOR NUCLEAR POWER GENERATING STATIONSREAFFIRMATION – Craig Swinderman, Chairman

Attendees: 2 members + 3 guests

The meeting began at 1:45 pm.

The IEEE patent policy slides were shown. An opportunity was provided for the attendees toidentify or disclose patents that may be essential for the use of the standard. No responses weregiven.

Topics discussed:The existing standard IEEE 638 has recently been reaffirmation, but has received somecomments during the balloting, including both technical and editorial aspects. As such, this taskforce was formed to work on determining the necessity and extent of revising the existing 638standard. The existing document covers transformers rated 601V up to 15,000 V for the highvoltage winding, and up to 2,500 kVA self-cooled rating transformers for Class 1E applications.

This standard also ties in with the requirements of IEEE 323, which describe requirements forqualification of all types of electrical equipment used for “Class 1E” applications.

Members of the IEEE 323 working group have been contacted, and the latest version of the IEEE323 standard will be reviewed to make sure the revisions of IEEE 638 are in agreement with IEEE323.

Over the last few months, the task force contacted several people from the Nuclear Powerindustry to get an opinion for how a widening of the scope of IEEE 638 would be perceived andvoted on by that industry.

After this investigation and recommendations from the Nuclear Power industry, it was determinedthat the scope of the IEEE 638 document should be kept to its present limit, as the 1E designationis a very serious requirement in the Nuclear Power industry, and there are several standards thatdeal directly with class 1E equipment.

An additional topic of discussion was the Annex A contained in the existing IEEE 638-1992document. Annex A is used to demonstrate the thermal ageing of the transformer insulationmaterials. This annex A is now being compared to the latest version of C57.96-1999 to verify if arevision is needed for the annex. It was noted that the existing annex A does not take intoaccount for the case of non-sinusoidal loads, and no reference to C57.110 is made in the existingdocument. Members from the C57.96 working group will be contacted to verify the extent thatAnnex A needs to be revised.

A guest at the meeting suggested that it may be a good idea to contact the Nuclear PowerEngineering Committee (NPEC) SC-2 or SC-3 to see if a possible joint working group should beestablished for this revision of IEEE 638. We will follow up on this request and inform the resultsshortly.


Now that the scope of the IEEE 638 revision has been determined, we will issue a request for aPAR to revise the existing document.

The meeting adjourned at 3:00 pm.

7.6.1.13 TASK FORCE, TRANSFORMER TANK RUPTURE AND MITIGATION – Peter Zhao,Chairman

The chair opened the meeting at 11:00AM, and welcomed the members and guests. There were43 attendees in total and 13 guests requested the membership.

This is the 2nd meeting – general review and presentation session. Three presentations andreview on a TF survey were scheduled.

Three presentations are;

• Sealed Tank Transformers by Javier Arteaga• One Utility’s Practice and Specification by Marco Foata and Van Nhi Nguyen• C57 Series Standards Coverage on Transformer Tanks by Peter Zhao

The presentations will be posted on the Website.

Future actions were reviewed;

• The Recommendations to the Transformer Committee will be drafted based on the resultsfrom two general review and presentation sessions, and the draft will be prepared before nextmeeting. Homework on the recommendations was assigned to all the members.

• A Utility Survey – the content was discussed during the meeting, and the comments weremade by the members. Once the survey is finalized, it will be released and the results will bereviewed in Dallas meeting.

• A technical paper is considered to be drafted based on the presentations. The chair is lookingfor a volunteer to work on the paper.

The meeting adjourned at 12:15 PM.

7.6.1.14 C57.116 Reaffirmation Report – Tim Raymond

INACTIVE.

7.6.1.15 TASK FORCE FOR WIND FARM TRANSFORMERS – Joe Watson, Chairman

The Windfarm Transformer Task Force met on at 8:00 am Tuesday, October 24, 2006 with 33members and 21 guests.

The latest draft of the paper was reviewed and topics for additional discussion were addedincluding:

• DGA and other testing on high temperature design units• Maintenance and testing on regular designs


• Fuse and relay co-ordination issues• The use of grounding transformers• Various means to control the collection system voltage• Soil resistivity considerations for underground cable loading• Loading issues• Delivery concerns with mountain roads and other possible rough handling• Ferro-resonance issues

We will try to invite a wind turbine design engineer to our next meeting to discuss the turbinemanufacturers’ expectations of the transformer performance.

The meeting adjourned at 9:15.

7.6.2 OLD BUSINESS

None.

7.6.3 NEW BUSINESS

Tom Jauch of Bechwith has requested for a transformer paralleling guide. Will form a task forceto evaluate this subject.

Peter Zaho requested a guide for a standard transformer used in an SVC application as acoupling transformer. Will form a task force to decide the issues and what sub committee thiswork falls under..


7.7 Underground Transformers and Network Protectors – (Carl G. Niemann)Meeting Minutes – October 25, 2006


The Underground Transformers and Network Protectors Subcommittee met on Wednesday,October 24, 2006, in the Auditorium of the Delta Centre-Ville Hotel at 9:30 AM with 9 membersand 6 guests present.

7.7.2 Approval of Minutes

The minutes of the March 22, 2006 meeting in Costa Mesa, CA were approved as submitted.

7.7.3 Membership

Membership stands at 18 members.


The following Administrative Subcommittee notes were reported to the subcommittee:

• The attendance statistics and future meeting locations• IEEE metric policy – for safety or clarity then US Customary may also be shown


7.7.5.1 Underground Single Phase Transformers (C57.12.23) – A. Traut, Chairman1. The WG for single phase submersible transformers PC57.12.23 did not meet in

Montreal. The document is well along its development and is ready for editorialreview by IEEE. The WG will meet again in Dallas to review the results of thateditorial review.

7.7.5.2 Three-Phase Underground-Type Transformers (C57.12.24) – Giuseppe Termini,Chairman1. The meeting was called to order by the Chairman at 8:00AM on Monday, October

23, 2006 in the St. Charles Room of the Delta Centre-Ville Hotel, Montréal,Québec, CANADA

2. Introductions were made. The meeting was attended by 17 members and 5 guests.3. The Chairman opened the meeting by asking if anyone in the Working Group

know or had knowledge of any existing or pending patents that may affect the workon this standard. All responses were negative.

4. The Meeting Minutes from the previous meeting in Costa Mesa, California, werereviewed and approved.

5. The rest of the meeting consisted of a review of Draft C of the standard.A. Section 1.2. The word “determining” on the Purpose was changed to

“establishing”.B. Section 7.2.2. The reference to NOTE 5, on figures 4 (c) and (d) will be deleted

since this note was removed (see Item 4).C. Section 7.2.2. The number of holes in the notation for figure 4 (d) will be

corrected to 12, and the missing kVA range will be filled as: 3000-3750. Thisomission occurred when the draft document in word format was converted to apdf format for group distribution.

D. Section 7.2.2. NOTE 5 for Figure 4 will be deleted. This deletion was approvedat the 3/20/06 meeting in Costa Mesa, California.


E. Section 7.5.1. The word “tank” will be added at the beginning of the sentenceright after the word transformer. The dashes between the metric and Englishunits in Table 5 will be removed.

F. Section 7.5.3. The word “function” was changed to “functional”. This sectionwill read: “All external hardware, nuts, bolts, washers, etc., shall be austeniticstainless steel, silicon bronze, or the functional equivalent.”

G. Section 7.5.4. This section was revised to read: “All valves, fittings, pipe plugsor caps, and bushing flanges shall have corrosion resistance properties. Anythread sealant used shall be non-conducting.”

H. Section 7.5.6. The word “located” was removed from the sentence. Thissection now reads: “If a handhole is required, it shall be welded to the cover,be adequately sized, and be suitably located to permit access to internalcomponents.”

I. Section 7.8. The table number in the paragraph was changed from “5” to “6”.Also, the reference to “35 kV and below” and the notation “(decibels) wereremoved from the Average Sound Levels column of Table 6. The decibelsymbol “dB(A)” will be added in this column header.

6. The meeting was adjourned at 9:20 a.m.

7.7.5.3 Liquid Filled Secondary Network Transformers (C57.12.40) – B. Klaponski, Chairman1. The WG met on Monday, October 23, 2006 at 09:30 am with 12 members and 6

guests.2. The chairman reviewed the patent legal issue and asked whether there were any

patents or patents pending that would affect the WG or standard. None wereidentified.

3. The minutes of the March 20, 2006 meeting in Costa Mesa, CA were amended toremove the last sentence of item #4d. The minutes were approved as amended.

4. B. Klaponski gave a brief status update on the standard and process.

A. Standard was published on September 15, 2006.B. The PAR for this last update was to correct errors in the document. Since the

standard published was only updated to correct editorial errors, it is not reallythe standard we need. WG will focus on a complete review of the standardduring the next review cycle. The WG will focus on technical issues.

C. The chairman reiterated the comments made at the March meeting that theprocedures for a Working Group to update a standard are overly complicatedand too much administrative work is required from the WG. This places a hugeburden on the WG chairs. There is a lot of opportunity for improvement in theprocess.

D. Review of new PAR. WG reviewed the new title, scope, and purposedeveloped at the March meeting. Intent is for this standard to not cover drytype transformers.

E. Title: Draft Standard for Network, Three-Phase Transformers, 2500 kVA andSmaller; High Voltage 34 500 GrdY/19 920 and Below; Low Voltage 600 Voltsand Below

F. Scope: This standard covers certain electrical, dimensional, and mechanicalcharacteristics and takes into consideration certain safety features of three-phase, 60-Hz, liquid-immersed, self-cooled, network transformers with aprimary grounding switch. These transformers are rated 2500 kVA and smallerwith high voltages of 34 500GrdY/19 920 volts and below. These transformers


are generally used for step-down purposes from underground primary cablesand supply a secondary network system through network protectors. Thesetransformers are typically installed below ground level.

G. Purpose: This standard is intended for use as a basis for establishing theperformance, electrical and mechanical interchangeability, safety of theequipment covered, and to assist in the proper selection of such equipment.

H. A new PAR submittal will be made prior to next meeting. The title, scope andpurpose will be reviewed by chairman prior to submitting a new PAR.

I. The WG began work on update of standard (Draft A).i. The group kicked off with a discussion of section 5.2.2 regarding

the short circuit rating of the three-position high voltage switch,and gaps in the wording of the current standard. The groupbegan a review of a proposal submitted by L. Dix, with the focusof discussion on defining the performance of the switch. Draftwording was developed and will be sent to the WG.

ii.There was a suggestion regarding polling the utility networkusers in North America regarding typical network circuit relayprotection settings to assist the WG in establishing the propershort circuit ratings of the high voltage switch. L. Dix volunteeredto poll network users in this regard via a user group emailsystem.

iii.The WG then began discussion of section 5.2.5 regardingdielectric properties in the open position. J. Rosetti questionedwhether an AC test was the same as a DC test. Can themanufacturers use an AC factory hipot to test switch and havethe switch withstand the DC hipot voltages used for cabletesting? Should the test be done in the actual switch chamber toinclude actual clearances? What value of AC will represent theDC test voltages? L. Dix offered to provide historical informationon this topic. The group will continue discussion at the nextmeeting.

J.The meeting was adjourned at 10:45am with the next meeting in Dallas, Texas.

7.7.5.4 Secondary Network Protectors (C57.12.44) – D.H. Mulkey, Chairman1. The WG was not scheduled to meet.2. The standard was published in 20053. Reaffirmation or PAR will be needed in 2010

7.7.5.5 Ventilated Dry-Type Network Transformers (C57.12.57) – A.L. Robinson, Chairman1. The WG was not scheduled to meet.

7.7.6 Old Business

1. None

7.7.7 New Business

1. Improvements for administrative processA. Session with the WG chairs and Bill Chew and Angela Ortiz to discuss

improvements with IEEE editorial representation addedB. Sessions where Bill Chew and/or Angela Ortiz are available to help

individual chairs through the various steps of the process.C. Bill Chew to keep latest project at each stage as examples


D. Editor assigned on front end or at least editor to stay the same from pre-ballot review to publication

E. IEEE representation to attend through Thursday meeting

7.7.8 Future Meetings

The location and dates for the next meetings are as follows:• March 11-15, 2007, Dallas, Texas – Hilton Dallas Lincoln Centre, about $130/night,

host is Ken Hanus TXU Electric Delivery• Oct 14-18, 2007, Minneapolis Minnesota – Hilton downtown (with light rail access),

about $130/night– Excel Energy• Spring 2008 Charlotte, NC? Phoenix?• Fall 2008 Oporto Portugal, Sheraton


7.7.9 The Subcommittee adjourned at 10:27 AM.

Roster and AttendanceRole Last Name First Name Company 10/24/2006Member Alfonso Nelson Siemens S. A. XMember Barrientos-Torres Israel Prolec GEMember Blew Dave Public Service Electric & Gas XGuest Buchanan Paul Moloney Electric XGuest Dunkin Bob ABB XGuest Fortin Marcel Consultant XGuest Graham Richard Delta Star XMember Hussain Mohammad ABB XMember Klaponski Brian Carte International XMember Lee Dennis Seattle City Light XMember Lu Franklin Seattle City LightMember Moffat Jock Eaton ElectricalVice-Chair Mulkey Daniel Pacific Gas & Electric XChair Niemann Carl Niemann Consulting XMember Risse Peter Georgia PowerMember Robinson Arlise (Butch) American Electric PowerMember Romano Ken Georgia Power XGuest Rossetti John Memphis Light, Gas & Water XMember Schroeder Steven ABBMember Sullivan John ConsultantMember Termini Giuseppe Exelon – PECO XMember Traut Alan KuhlmanGuest Virelli Greg Virelli & Associates XMember Wimmer William Dominion


7.8 Audible Sound and Vibration – (J.L. Puri)Meeting Minutes Montreal, Canada, October 26, 2006


The Audible Sound and Vibrations subcommittee SC met Wednesday at 8:00 AM with eleven membersand nine guests present.


• The WG for Sound Level Measurement Guide reported that Draft 4 of this guide is nowready for balloting in the SC. This draft is based on considerable amount of technicalmaterial from the IEC document on the same subject. Jeewan Puri is working with JodiHaasz of the IEEE for resolving any copy right issues and finalizing the titles under whichthis document will be published.

- Ramsis Girgis reported on the sound intensity measurements that he and hisassociates have made. They confirm the conclusion of earlier work done inCigree that and conclude that

1. Sound Intensity measurements are more accurate.2. Unless corrected Sound pressure measurement can differ as much as

5db due to measurement error.3. Discrete frequency sound level measurements can have even higher

error.4. Sound Pressure Measurements in the near field can have error.

• The SC is going to review the final version of the extended table for standard sound levelsfor power transformers and approve it for inclusion in C57.12.00 for power transformers byour next meeting.

• Ramsis Girgis made a presentation on 50Hz/60Hz sound level conversion.1. The core noise difference between 50 and 60 Hz measurements is 3.6

dB.2. The winding noise difference between 50 and 60 Hz measurements is

4.6 dB.3. These differences can be higher due to mechanical resonances.

A tutorial on this information will be included in the Sound level measurement Guide.

• Jeewan Puri will establish the schedule for the revision of Section 13 in the test codesC57.12.90 and C57.12.91 and report in the next meeting.

7.8.2 Meeting adjurned at 9:10 AM.


7.9 Bushing Subcommittee – (Fred Elliott)


Fred Elliott - Chair opened the meeting at 3:00 PM and welcomed the members and guests. Therewere 46 attendees with 18 members and 28 guests present.

IEEE patent policy was addressed and no patent conflicts were reported.

7.9.2 Approval of Minutes of Last Meeting

The minutes of last meeting in Costa Mesa, CA were approved as written.


The chair made the following remarks after attending the Administrative Subcommittee.

· Next meeting will be held in Dallas, TX on March 12-15, 2007.· In future meetings, personal introduction will be re-enforced.· A technical tour to a local bushing manufacturer facility was scheduled.· IEEE Patent requirements were available on the Website of Transformer Committee

7.9.4 Working Group (WG) and Task Force (TF) Reports

7.9.4.1 WG - Revision of C57.19.00 - Keith Ellis, Chair

No meeting was scheduled.

7.9.4.2 TF - Revision of C57.19.100 – Tommy Spitzer, Chair

The meeting was called to order at 3:15 on Oct. 24 with 13 members and 13 guests, 2 guestsrequested memberships.

The 2006 spring minutes were approved as written. There were no Patent issues from anyone inthe meeting.

The chair announced that the PAR had been approved until 2010 but felt that most of the workhad been done and would like to be ready for ballot after the spring 2007 meeting to be held inDallas. Draft 1 is in PDF format and posted on the Transformer Committee website. Someinconsistent nomenclature had been resolved. One of the Manufacturers reported that they wereworking on making the new document consistent with the latest revision of C57.19.00, and twoother manufacturers would provide new wording to clarify the ratings of their draw rod bushings.The chair received permission from IEEE and the authors or various sections to use Word formatfor future drafts to make revisions easier. Draft 2 should be sent out in December to allow time forinput before the next meeting.

The meeting was adjourned at 3:35.


7.9.4.3 TF – Bulk Bushings – Bob Hartgrove, Chair


7.9.4.4 C57.19.03 – DC Bushing Standard – Fred Elliott, Chair


7.9.4.5 IEC Bushing Standards Activity - John Graham of Trench Ltd., UK

John Graham reported as following;

IEC BUSHING STANDARDISATION WORK

Within IEC, standardisation of bushings is covered by Technical Committee TC36: Insulators,Subcommittee SC36A: Insulated Bushings.

Sub-committee officers are:

Chairman: Lars Johansson, ABB, Sweden.Secretary: Vacant.

The last meeting of SC36A was held at the IEC General Meeting in Berlin, Germany, onSeptember 27th 2006. The Group Secretary has had to withdraw and the Italian Nationalcommittee hope to propose a replacement shortly.

SC36A MT5: IEC 60137: Insulated bushings for alternating voltages above 1kV.Project Leader: John Graham, Trench-UK.

A Committee Draft for Vote (CDV) was distributed for comment by National Committees inOctober 2005 and National comments were received in July 2006 for discussion in Berlin. TheCDV received three negative votes (from Germany, Italy and Japan) but the overall majorityacceptance allows it to proceed to the Final Draft International Standard (FDIS) stage.

As reported previously TC14 would prefer that all dielectric tests on to the transformer have beenapplied to the bushing, with a margin of 10%. The CDV represents compromise agreed with TC14representatives in the MT. However, TC14 have stated that if the full tests are not included in thebushing standard, they will be included in the next revision of IEC 60076-3.

Discussions in Berlin should allow the Italian and Japanese votes to be changed to positive at thefinal stage with the new edition being published in 2007. The objections from TC14 will mean workhas to start again immediately and it is proposed to hold a meeting of the Officers of SC36A andTC14 to resolve differences.

The attached tables show typical differences in bushing routine tests between IEEE and IECstandards and the requirements from TC14.

Other Work

SC36A MT4: IEC 62199: Bushings for HVDC applicationNo work at present but the maintenance cycle will be aligned with IEC 60137 for review in 2008.


SC36A MT6: IEC 61464: Dissolved gas analysis of bushings.This document will be reconfirmed until 2010 and eventually incorporated into a revision of IEC60599.

SC36A MT7: IEC 61463: Seismic qualification of bushings.This document will be reconfirmed until 2012.

7.9.4.6 IEEE 693 Bushing/Transformer Interaction Investigation – Lonnie Elder (presentedby Frank Wolfe)

Shake table testing of bushings mounted on simulated transformer tank lids and/or turrets is plannedfor March 2007 in Buffalo, NY. An update on this activity is posted in the Bushing Subcommitteearea of the Transformers committee website. This work was presented to the subcommittee at theCosta Mesa meeting by Dr. Anshel Schiff.

7.9.5 Old Business

· GSU bushings were reviewed and discussed. At present, there are no IEEE Standards or Guidesto properly address GSU bushings. Due to their specific natures, it would be meaningful for theBushing Subcommittee to start looking at the subject. The chair is planning to have a time slotrequested during 2007 spring meeting and also asking for an volunteer to chair the meeting. Asa start-up, a proposal for GSU bushings was presented by Peter Zhao.

7.9.6 New Business

· The chair requested suggestions from subcommittee members and attendees for technicalpresentations at future subcommittee meetings. Presentations should be relevant to thedevelopment of bushing standards.

· Keith Ellis indicated that IEC bushing standards call for lightning impulse as a routine test on allthe bushings, and IEEE bushing standards might need to address this test too if considering theharmonization between IEEE and IEC standards. A recommendation will be prepared and sentto the Subcommittee for review.

7.9.7 Technical Papers

No activity was reported for this mtg.

7.9.8 Adjournment


Minutes submitted respectively by,

Peter D. Zhao

SecretaryBushing Subcommittee


7.10 Dry Type Transformers SC - (C. W. Johnson, Jr.)

7.10.1 Introductions and Approval of Minutes

The Dry Type Transformer Subcommittee met in Montreal, Canada on Wednesday October 25,2006 with 14 members and 6 guests present. Introductions were made and the attendanceroster was circulated. Minutes from the March 22, 2006 Costa Mesa, CA meeting were reviewedand approved.

The chair reminded the attendees that the minutes posted after each meeting were unapprovedand would not be approved until the next meeting.

7.10.2 Working Group/Task Force Reports

The next order of business was the presentation of the reports of the various working groupsand task forces. See the following sections for the individual reports:

7.10.2.1 WG Dry Type Test Code C57.12.91 Chairman Derek Foster

The Chairman informed the Working Group that the existing PAR for amendment of thestandard is being modified to a PAR for revision. Due to the fact that the standard expires at theend of 2006, it was necessary to seek reaffirmation or revision. It is expected that the PAR forrevision will be approved at the NESCOM meeting on December 6.

A draft for a revised section 5, on resistance measurements, was sent to members before themeeting and was reviewed during the meeting. A discussion was held regarding the proposedclause 5.6.2, relating to the terminals to be used during resistance measurements on wyeconnected windings. The clause currently permits terminal-to-terminal or terminal-to-neutralmeasurements, but a proposal was made to identify terminal-to-neutral measurements as thepreferred measurements. After discussion, it was decided to leave this clause as written, at thistime. A draft 2 of this section will be sent to members of the working group for review. Draft 2 willincorporate changes resulting from comments made regarding section 5 of C57.12.90 and whichare equally applicable to C57.12.91.

A discussion was also held on whether to revise clause 10.1.5.4, Test sequence for dielectrictests, to include the sequence of tests when both impulse and partial discharge tests are required.Again, it was decided to leave this clause as written.

The Chairman requested volunteers for a task force to review section 11 of the standard ontemperature rise tests. It is intended to prepare a draft of this section for review before the nextmeeting.

7.10.2.2 WG Dry Type Thermal Evaluation C57.12.56/60 Co-Chairman Roger WicksThe goal of this working group is to merge C57.12.56 which is the thermal evaluation

guide for dry open-wound transformers with C57.12.60 which is the guide for thermalevaluation of cast coil transformers.

Martin Navarro presented information on IEC 60216, thermal evaluation of electricalinsulation materials, which references a weight loss method for determining life of a solid resinor varnish. This was as follow-up from a previous working group meeting.

The working group spent the rest of the meeting reviewing a draft version of the combinedstandard in preparation for a survey ballot by dry-type subcommittee. Sections of thedocument discussed, included screening, test cycles, thermal test and dielectric tests.


It was agreed that for the screening and aging cycles that cold shock should be used forall dry-type transformers, which previously had only been applied in the original C57.12.60document (only for cast coils).

In clause 4.5.1 of the draft document the phrase “with high-to-low barriers” was added to thebeginning of paragraph 7. The last sentence of paragraph 6 “For all designs, the temperatureaging cycle shall commence only when the required hottest-spot temperature is established andshall terminate when the cool-down period starts.” was moved to after paragraph 7 as well.

In clause 4.6 Cold Shock, the reference to cast coil designs only was removed.

In clause 4.8, it was agreed that the models should go through the same dielectric testcycles as the full size coils, and that order of dielectric tests was changed to:

a) Turn-to-turn;b) Layer-to-layer;c) Disk-to-disk;d) Section-to-section;e) Winding-to-winding;f) Winding-to-ground.

In Clause 4.8.2, disk-to-disk dielectric test was added as a mode of potential failure to test.

The chair finished the meeting by pointing out that the members of the working group shouldevaluate the clause 4.2, Test Models, and offer any upgrades to this section by the end ofNovember. The chair will circulate this current version of the combined draft for this purpose.Any additional comments should be provided at this time. Upon receipt of all of the comments,the chair will circulate a survey ballot to the dry-type subcommittee by end of the year.

7.10.2.4 Dry Type Reactor TF Chairman Richard DudleyThe Dry-Type Reactors T.F. met in the Cartier A Meeting Room of the Delta Centre-Ville

Hotel in Montreal, P.Q. on Oct. 23, 2006 from 8:00 a.m. to 9:15 a.m. There were 7 membersand 3 guests present. Steve Wolter of Ameren requested membership. The following are thehighlights.

1. Introductions were made.2. The minutes of the Dry Type Reactors T.F. meeting in Costa Mesa were approved.

Note: The minutes of the Montreal meeting of the T.F. will not be approved untilthe meeting in Dallas, Texas.

3. IEEE patent policy was reviewed and no patent issues were identified.

4. The remainder of the meeting was devoted to the revision of IEEE C57.16. Thefollowing are the key points.(i) The Chairman reported that he had applied for a PAR for the revision of

IEEE C57.16 and expected it to be approved the week of Oct. 23, 2006.(ii) The Chairman, Richard Dudley, briefed the T.F. on his conversion with Jeff Nelson,

the Chairman of the IEEE Switchgear Committee, re Annex E. Per Jeff Nelson theIEEE Switchgear Committee has concerns regarding the content of the annex andbelieves that the content falls within the jurisdiction of the IEEE SwitchgearCommittee. One proposal is for the T.F. to consider a joint paper with the CB S.C.


The Chairman asked for input from T.F. members. The most significant commentsare as follows.- A joint paper was deemed not adequate. The annex was felt to be a crucial

addition to IEEE C57.16 as it would guarantee that the information re possibleCB TRV issues associated with the application of current limiting reactors wouldbe readily accessible to an “end user”. This sentiment was expressed by anumber of utility engineers present; Pierre Riffon of H.Q., Les Reckseidler ofManitoba Hydro, Steve Wolter of Ameren, etc.

- If the IEEE Switchgear Committee produces a future document thatadequately addresses the issues of circuit breaker TRV and the application ofcurrent limiting reactors it will be referenced.

- The Chairman noted that comments to-date from the IEEE SwitchgearCommittee were primarily editorial and not technical.

- It was decided to continue to refer to circuit breakers in the annex and notswitching device but not to discuss specific types of circuit breakers.

- Precedent re the inclusion of the annex on CB TRV issues associated withthe application of current limiting reactors in IEEE C57.16 exists. The IEEEapplication guide for shunt capacitors (Power Apparatus S.C. of the IEEETransmission and Distribution Committee) contains information on CB TRVissues.

- Utility engineers, due to “downsizing”, typically do not have time to researchpapers or ancillary document sources. All relevant information should beincluded in an equipment standard; including basic application relatedinformation: More detailed application information can be referenced.

- The basic conclusion is that current limiting reactor application issues, suchas CB TRV, should be addressed in the series reactor standard; IEEE C57.16.

(iii) Reactors are used in conjunction with shunt capacitor banks for various reasons.CB TRV issues could arise depending on the location of the reactor; reactor beforeor after CB etc. The TRV problem could be related to CB reignition. This will beaddressed as a NOTE in the annex covering reactors used in shunt capacitorbanks and will reference Annex E as appropriate. Steve Wolter agreed to provide arecent paper on the subject as background information. Once the annex ismodified, NOTE etc., it will be sent to the IEEE Switchgear Committee forcomment.- The basic conclusion is that current limiting reactor application issues, such

as CB TRV, should be addressed in the series reactor standard; IEEE C57.16.(iv) Annex E will be modified to reference specific parts of CB standards and guides as

appropriate.(v) The Chairman requested input from T.F. members and agreed to produce a new

draft of Annex E.- Should an informed ballot of the IEEE Switchgear Committee or CB S.C. be

conducted or should a final version of the revision of IEEE C57.16 be producedASAP to allow adequate time after formal IEEE ballot to address possiblenegative ballots from IEEE Switchgear Committee members? The Chairman willtake the above into consideration in a future conversation with Jeff Nelson.

(vi) The re-draft of clause A5.6.3 in Annex A, prepared by the Chairman, re audiblesound tests on filter reactors was discussed. More input was requested from T.F.members. The specifics re sound measurement of filter reactors should beaddressed but the IEEE sound measurement guide now under preparation shouldbe referenced for more general aspects.


(vii) De-Q’ing of filter reactors and impact on test code will be addressed by LesReckseidler. Impact on specification and temperature limits (compatibility with otherfilter reactor components) will be addressed.

(viii) Reactors in enclosures (current limiting reactor in steel or FG enclosures) will beaddressed in an annex; specification issues can impact test code. Considerationsinclude type tests, losses measurement, short circuit type tests, etc. filter reactors insound enclosures and impact on test code will be addressed in Annex A whichcovers filter reactors. Areas for consideration are temperature rise, type tests,sound measurement. The Chairman will produce draft material before the next T.F.meeting.

The meeting adjourned at 9:15 a.m.

7.10.2.4 Dry Type General Requirements Chairman John SullivanThe first item in the agenda was to establish three (3) task force groups to reviewoutstanding issues from the latest revision of this standard and to provide recommendationsfor a par to the next revision. The task force groups were formed and leaders selected.

It is suggested that the task force group’s activity be handled through the transformercommittee web site and e-mail. It is also suggested that the recommendation on actionitems be available for discussion at the next working group meeting in Dallas. It is alsohoped that the recommendation at the Dallas meeting can be the basis for the request for anew par.

A proposal to place a graph in this standard to de-rate kVA ratings for high ambient conditionswas suggested. The working group indicated that information on this subject can be foundin other standards.

7.10.4 Chairman’s Remarks and Announcements Charles JohnsonThe SC Chair announced that

The reaffirmations of C57.94, the “IEEE Recommended Practice for Installation, Application,Operation, and Maintenance of Dry-Type General Purpose Distribution and PowerTransformers” AND C57.12.59-2001, the “IEEE Guide for Dry-Type Transformer Through-Fault Current Duration” were approved and the reaffirmation packages submitted toRevCom pending review and approval at December, 06 meeting.

The PAR for PC57.12.51 the “Ventilated Dry-type Power Transformers, 501 kVA and Larger,Three-Phase, with High-Voltage 601 to 34500 Volts; Low-Voltage 208Y/120 to 4160 Volts -General Requirements” Recommendation: Approve new PAR until December 2010. Thisdocument is the first of four former NEMA dry-type documents transferred to the IEEE.PARS for the other 3 documents will soon be submitted with the goal of forming the workinggroups at the Dallas meeting. This will require four additional meeting slots for dry-typetransformers.

The SC chair expressed the sincere thanks of the SC to Cecile Wicks, Roger Wick’s wife,for converting the text of the former NEMA documents to electronic format. As engineersare world renown for their typing skills, we could have probably completed the task in 18months or less, but Cecile’s efforts are still greatly appreciated.


7.10.5 New BusinessRoger Wicks noted that there was a meeting this week on IEEE 638, the “IEEE Standard forQualification of Class 1E Transformers for Nuclear Power Generating Stations whichincludes both dry and liquid transformers. Roger noted there was information in the annexcalculating insulation life per hour for dry transformers as well as referencing bothC57.12.56/ C57.12.60 the thermal evaluation guidelines for open-wound and cast coiltechnologies and C57.96 the dry type loading guide. Roger stated that he believed thedocument had been reaffirmed several time and that perhaps we should review thedocument for coordination with our latest standards. The SC committee chairmansuggested that the SC members attempt to attend the next meeting of this grouping Dallasand also review the document.

There being no further business, the subcommittee meeting adjourned at 2:45 PM


7.11 Distribution Transformer Subcommittee Report - (Ken Hanus)

7.11.1 Distribution Transformer Subcommittee ReportKen S. Hanus - [email protected]

The Distribution Transformer Subcommittee has a total of 8 active working groups, 8 ofthose met in Montreal.

Subcommittee Meeting Wednesday October 25, 2006 at 3:00 pm34 Members12 Guests46 TOTAL2 Requests for membership

7.11.2.1 Chair’s Remarks & Announcements:Review of Administrative Committee meeting highlights? Future Meetings? The Unapproved Costa Mesa minutes were approved with no corrections.

7.11.2.2 Working Group Reports

7.11.2.2.1 C57.12.20 Overhead Distribution TransformersAlan Wilks & Tommy Cooper Co [email protected] & [email protected] Status: Approved 9/15/2006PAR Expiration Date: 12/31/2010, Current Standard Date: 2005Current Draft Being Worked On: D1Meeting Time: 09:30am, Monday, October 23, 2006Attendance: 43 Total21 Members22 Guests

Alan Wilks called the WG C57.12.20 meeting to order at 9:30, introductions were madeand rosters were circulated. The minutes of the spring 06 meeting in Costa Mesa werereviewed and approved. Alan then reminded everyone of the IEEE policy on patents andasked if anyone had any patents to declare, none were declared. Alan then welcomed 2new members to the Working Group. (Giuseppe Termini, Martin Rave)

Old Business: Tommy went over the comments from 1 NESCOM member on the wordingof the scope of the PAR. He was instructed to respond to the comments explaining thecharacteristics.Alan then explained the meaning of the Low Frequency Test Working Group’s definition oftest frequency and recommended we leave as is. It was suggested that three-phasetransformers be added to the paragraph. Tommy then covered the results of his survey of5 PRD manufacturers on the diameter of their pulling rings. The results ranged from 0.86"to 0.876" with almost complete unity.

Marcel Fortin covered his task forces rewrite of Section 9. Everyone appeared to agreewith Marcel’s presentation. Alan is to survey the WG to get approval to replace Section 9.It was recommended that Marcel’s flow chart be added in an Informative Annex. This will


also be covered in Alan’s survey. Everyone was asked to forward comments to Marcel [email protected].

New Business: Alan went over the error in Figure 2 in the published copy of C57.12.20-2005. Alan then went over Rich Hollingsworth’s suggestion that we add “a safety factor of5” to paragraph 7.5.2 and it was accepted. Rich also proposed a change to Figure 3 onthe look of support lugs yet keeping the same slot sizes. Alan asked Rich to get him asketch on what the lugs should look like. Ali Ghafourian suggested that Figure 2 bemodified to allow smaller hanger bracket spacing (11.25") when the thank height would notpermit the 23.25" spacing. Giuseppe Termini volunteered to survey EEI with the proposal.The meeting adjourned at 10:45 am.

7.11.2.2.2 C57.12.38 Single-Phase Padmounted Distribution TransformersCombined C57.12.25 & C57.12.21Ali Ghafourian & Ignacio Ares Co [email protected] & [email protected] Status: Approved 12/08/1998 (For combining Standards C57.12.25 & C57.12.21)PAR changes were submitted and will be approved next week. The PAR change centeredon the dropping of the delta loop transformers and to cover only 240/120 secondary volts.PAR expiration Date: 12-31-2009Current Standard Date: 1995Current Draft Being Worked on: D6, Dated: March 2006Meeting Time: 11:00am, Monday, October 23, 2006Attendance: 35 Total27 Members8 Guests1 Request for membership

Introductions were made and roster was circulated.

The IEEE Patent Disclosure information was discussed and there were no patents notedthat pertain to these standards.

The unofficial minutes of the last meeting held in Costa Mesa, California in March of 2006were approved with no corrections.

Draft 6.1 dated October, 2006 was sent to IEEE to start the balloting process. The ballotpool is currently being developed. Invitations to ballot should be received by identifiedparties before the end of the year. There was an issue brought up about the inclusion ofthe words “live” and “dead” front in the standards. The proposed wording will be includedin the balloting comments.The WG then started to work on the next revision of the standard. Draft D1 was handedout and a discussion followed on figures 5 and 6 which show delta connectedtransformers.Ali then led a discussion on the inclusion of delta connected transformers whichculminated in the WG voting not to include delta and delta loop transformers in the nextrevision of the standardThe meeting adjourned.


7.11.2.2.3 C57.12.28, C57.12.29, C57.12.31 & C57.12.32 Cabinet integrity StandardsBob Olen & Dan Mulkey Co [email protected] & [email protected] Time: October 24, 2006 Time: 8:00 AMAttendance: 36 Total21 Members15 Guests

The minutes from the March 21, 2006, in Costa Mesa, California were approved as submitted.A request was made for disclosure of any patents that may be related to the work of the WG,and there were no responses to the request for disclosure.

7.11.2.2.3.1 C57.12.31 Standard for Pole-Mounted Equipment – Enclosure Integrity

Reviewed Title and left as is.Revised scope to:This standard covers conformance tests and requirements for the enclosure integrity ofpole mounted equipment containing apparatus energized in excess of 600v, typically notaccessible to the general public, such as but not limited to the following types ofequipment: pole-mounted distribution transformers, pole-mounted switches, pole-mountedregulators, pole-mounted metering equipment, pole-mounted reclosers/sectionalizers,pole-mounted capacitor.Reviewed the Purpose and left as is.Bob Olen will submit a PAR applicationItems that still need to be done:Remove Salt Spray Test following the .28 standardMove US Customary units back into textCompare to published .28, .29, and .32 standards

7.11.2.2.3.2 C57.12.xx Standard for Pole-Mounted Equipment – Enclosure Integrity for CoastalEnvironments

Reviewed Title and left as isRevised Scope to:This standard covers conformance tests and requirements for the enclosure integrity ofpole mounted equipment for installation in coastal environments, containing apparatusenergized in excess of 600v, typically not accessible to the general public, such as but notlimited to the following types of equipment: pole-mounted distribution transformers, pole-mounted switches, pole-mounted regulators, pole-mounted metering equip-ment, pole-mounted reclosers/sectionalizers, pole-mounted capacitors.

Reviewed the Purpose and left as is.Bob Olen will submit a PAR application

Items that still need to be done:Made the same changes as in C57.12.31 (“Normal” Pole-Mount)Work on stainless steel galling considerations


7.11.2.2.3.3 C57.12.32 Standard for Submersible Equipment – Enclosure IntegrityPut in for reaffirmation in early 2007.Future work to be done:Move US customary units back into textChange scope: “(with exception of network protectors)” to “and network protectors”

Standard StatusC57.12.28 Standard for Pad-Mounted Equipment – Enclosure IntegrityStatus: 2005 Standard, published – September 30, 2005C57.12.29 Standard for Pad-Mounted Equipment – Enclosure Integrity for CoastalEnvironmentsStatus: 2005 Standard, published – November 10, 2005C57.12.31 Standard for Pole-Mounted Equipment – Enclosure IntegrityStatus: 2002 Standard – reaffirm or issue PAR before 2008C57.12.32 Standard for Submersible Equipment – Enclosure IntegrityStatus: 2002 Standard – reaffirm or issue PAR before 2008

Next Meeting: The next meeting is scheduled for March 13, 2007 in Dallas, TexasAdjournment: The meeting was adjourned at 8:48 AM.

7.11.2.2.4 C57.12.34 Three-Phase Padmounted Distribution TransformersRon Stahara & Steve Shull Co [email protected] & [email protected] Status: New PAR required for next revisionPAR expiration Date: N/ACurrent Standard Date: Published March 8, 2005 (2004 date on document)Current Draft Being Worked On: D1Meeting Time: October 23, 2006 Time: 1:45 PMAttendance: 44 Total20 Members19 Guests5 Guests Requesting Memberships

Ron Stahara called the meeting to order, introductions were made, and an attendanceroster was circulated. Ron reviewed the IEEE Patent Policy and asked the group if therewere any patents that needed to be disclosed. None were announced to the group. Theminutes were reviewed and approved as written.

Steve Shull discussed the voltage levels of the standard. He pointed out that the values of12,000 Ä and 16,340 Ä voltages were not included in ANSI C84.1. These were also notspecified in the C57.12.10-1997. After some discussion, a motion was made by Ken Hanusand seconded by Myron Gruber to keep these voltages in the applicable tables. The motionwas approved. The working group then discussed the Table 1 kVA ranges. Ali Ghafourianasked that the kVA range be lowered on a number of voltage levels. It was the conscience ofthe group that at 125kV BIL and below, the kVA range would be lowered from 75 kVA to 45kVA. A discussion ensued concerning the 34,500 Ä BIL level shown in the document as wellas associated kVA ranges. It was decided by consensus that the 34,500 GrdY/19,920 kVAlevels would be used for this voltage. Some discussion was followed by a motion made byIqbal Hussain and seconded by Myron Gruber to change the BIL level to 150kV to match the


BIL of the 34,500 GrdY/19,920 kVA. It was further clarified by changing the Table 1 footnoted to the following;”The highest BIL level for separable insulated connectors is 150 kV BIL. If 200kV BIL level is required, bushings must be used.” The amendment to the motion and the motionboth passed.

There was a request from one of the working group chairmen, Steve Shull, that a taskforce be established to develop a recommendation on Table 2 which discusses no-load tapvalues. The chairman of this group was Jerry Murphy, with members of Iqbal Hussain andJohn Crotty. It was their charge to develop this table either using pure voltage taps orspecific voltages or some combination thereof. They were given comments from DavidGilmer who was making a case for pure percentage taps. They will report at the nextmeeting.

The first draft of this standard was submitted to the working group and it was pointed outthat this was extremely rough. Another task force was assigned the task of reviewing all ofthe drawings in the draft. The chairman of this group was named as Iqbal Hussain. Thefollowing individuals volunteered to work with Iqbal to accomplish this task; John Rossetti,Ken Hanus, Tom Callsen, and Dwight Parkinson. Dwight volunteered at the end of themeeting. They will provide their result to Steve Shull who will make correction to thedocument for submission to the Working before the meeting in March.

7.11.2.2.5 C57.12.35 Bar Coding For Distribution TransformersLee Matthews & Giuseppe Termine Co [email protected] & [email protected] Status: APPROVED Dated: March 4, 2005PAR expiration Date: December 31, 2009Current Standard Date: 1996 (R2004)Current Draft Being Worked On: Draft #2, Dated: October 6, 2005Meeting Time: October 24, 3:15 PMAttendance: 34 Total17 Members7 Guests

The meeting was called to order on October 24, 2006 at 3:15 p.m. in the Cartier B Roomof the Delta Centre-Ville Hotel in Montreal, Quebec, Canada.

The meeting began with introductions of those in attendance.

The chairman asked if anyone was aware of any patents that might affect thedevelopment of this standard. No patent claims were made.

The minutes of the previous meeting in Costa Mesa, California, were reviewed andapproved.

The remainder of the meeting consisted of a review and commentary on Draft D5 of thedocument. A comment on Table 1 the was made to correct the spelling of Niagara.

A motion to ballot this draft (D5) was made; the motion was seconded, voted on andapproved.

The meeting was adjourned at 3:46 P.M.


7.11.2.2.6 C57.12.36 Distribution Substation TransformersJohn Rossetti & David Aho - Co [email protected] & [email protected] Status: PAR Approved June 2002PAR expiration Date: December 2006Current Standard Date: NEW Standard Under DevelopmentCurrent Draft Being Worked On: D10Meeting Date: October 24, 2006 Time: 11:00AMAttendance: 38 Total15 Members23 Guests5 Guest Requesting Membership

The unapproved minutes from the SP06 Costa Mesa meeting were approved. The patentpolicy was discussed and no issues were identified.

A brief review of the document history was provided and how it relates to both C57.12.10(Power Transformers) and C57.12.34 (3PH Padmount Transformers).

Balloting closed 3/17/06, with 77% of ballots returned and 86% were affirmative. Therewere 11 negative ballots and a total of 90 comments.

Administrative Issues: The PAR is set to expire at the end of 2006, therefore a 1 yearextension has been requested. A PAR revision request has also been submitted in orderto match the PAR with the actual document.

Document Review for Ballot Comments:The focal point of the meeting was to address a significant number of comments submittedby Dennis Marlow. The WG also was able to resolve a number of open issues submittedduring the balloting process. New issues are being tabled for future revisions.

Specific Elements Addressed:- Section 5.1.1 Tap Changer: Decide to allow the tap changer handle on the coverwhen bushings are cover mounted. Added a sentence to clarify that only DETC’s arecovered by this document.- Section 1.2 Mandatory Requirements: Additional clarification was requested todefine what elements of the standard are mandatory. The WG felt no additional changesare needed.- Tables 4.2 & 4.3 Voltage Applications: Clarified that the voltages defined are the“Winding” voltages. Also modified a few of the min & max values that the WG felt wasacceptable to include.- Section 4.2 KVA Ratings: The 1PH KVA ratings won’t be modified to eliminate theratings beyond 3333 KVA.- Section 4.5 Taps: Section was revised to clarify possible configurations.- Table 4.5 Percent Impedance Voltage: Modified title, clarified that the KVA ratingswill cover both 1PH and 3PH for the ratings shown, and added a line for 750-4999 kva toaddress 350kV BIL.- Section 5.2 Bushings: Suggested rewording for neutral bushing ratings wasreviewed. Decided to keep this paragraph as written.- Section 5.10.2 Tanks: Removed the word “minimum”.


- Section 5.15 Insulating Liquid: Decided to leave the sentence as written. Anyexpanded info for fluid limitations should be handled outside this document.- Section 5.1.5 Pressure-Vacuum Gauge: Reference to “shall be readable to aperson standing at the level of the base” was questioned. Similar language is used insection 5.6 referring to “eye level” and the WG felt that this is a generally accepted term.Suggestions were made to reference NEC, NESC, and C12 (Metering Standards) foradditional guidance.- General Editorial comments were reviewed throughout the document.- Reference to the standards dates were covered with Dave Ringle from IEEE priorto the meeting. Dates are not required unless citing specific tables or clauses. Will needto review these references throughout the document.

Comment Resolution:For the supplemental comments provided by Dennis Marlow, a response will be sent tohim right after the Transformer Committee meetings that address all his issues.

All other comments from the ballot process will be responded to shortly after the meetings.A few of the negative ballots will need to be responded to direct to try and avoid ongoingnegatives.

All but a few comments have been addressed and incorporated into the draft. These opencomments refer to items related to testing, sealed tank, and flange dimensions. The mostchallenging of these open comments are related to test requirements with respect todefinitions of Distribution Transformers in C57.12.00 & C57.12.90. A few general edititems also need to be addressed including definitions, references, identification of WGmembers, and document format. The graphics need to be revised and a missing figureadded. Re-circulation of the ballot should be issued prior to the next meeting.

The meeting adjourned at 12:07 pm

7.11.2.2.7 C57.15 Step-Voltage RegulatorsCraig Colopy & Gael Kennedy Co [email protected] & [email protected] Status: APPROVED Date: June 9, 2005PAR Expiration Date: December 31, 2009Current Standard Date: C57.15 – 1999 – Published April 2000Current Draft Being Worked On: Draft 5.1 Dated: October 2005Meeting Date: October 24, 2006, 1:45 pmAttendance: 30 Total35 Members4 Guests1 Guest Requesting Membership

Added angles to voltage – level values Table 19 , revise to 119.4 at 0 degreesShort circuit discussions: 5.8.1- a lot (many) of the Utility specification which have the 25times numbers in the formula been there for years mainly in the electrical testing side,requires the mechanical forces to be made more robust. Need an understanding of theregulator capacity to withstand short circuit fault currents. Walley’s spreadsheet and SteveShull’s comments were noted and discussions held. Numbers based on C57.12.10


impedances. Remove ‘and thermal’ from sentence 5.8.1 first sentence. Walley and Bill towork on wording.Look at C57.12.00 and C57.12.90 for changes that may affect item in this standard.Suggested current for testing based upon rating of the regulator section 5.8.1 rewordclause – long discussion. Everyone needs to look this over, break into 3 parts? 2 parts?Clarify section 5.8 with section 7.2 on the ‘optional short circuit withstand capacity’.Marcel’s template will be shipped to all participants’ for review need to be returned byJanuary 32, 2007. Same for Draft —— be studious.Draft is out on the web site, goal is to have a global document.

7.11.2.2.8 C57.12.37 Electronic Reporting of Test Data (formerly P1388)Richard Hollingsworth & Thomas Callsen Co [email protected] & [email protected] Status: Need to submit PAR for next revisionPAR Expiration Date: N/ACurrent Standard Date: July 2005Current Draft Being Worked On: N/AMeeting Date: October 23, 2006 Time: 8:00amAttendance: 22 Total11 Members7 Guests4 Guest Requesting Membership

The patent policy was reviewed and no one responded that they had any patents thatwould affect this document.

The meeting focused on requirements for the next revision of the document and whatdevices to add to the document. Three new areas were discussed, dry type transformers,regulators and DOE energy efficiency information. The current scope appears to cover drytype transformers and energy efficiency information but not regulators.

It was decided for the next document and PAR to include these three new sections on thedocument

No further business – meeting adjourned

The committee is requesting on one time slot at the next meeting.

7.11.2.2.9 C57.144 Guide to Metric Conversion of Transformer StandardsTim Olson [email protected] Status: ActivePAR Expiration Date: April 2006Current Standard Date: New DocumentCurrent Draft Being Worked On: D5 Dated: March 10, 2004Meeting Date: Time:Meeting Times: DID NOT MEET


7.11.2.3 Subcommittee Old Business:None reported

7.11.2.4 Subcommittee New Business:

Jim Arnold was recognized for his long standing service to the committee and the fact he will nolonger be attending committee meetings unless they are held in New Hampshire.

Several subcommittee members gave the group a summary of the status of the pending DOEenergy efficiency legislation. They each detailed the work they had done on the possible impactthe legislation could have depending on the level of efficiency picked by the DOE.


7.12 Delectric Test Subcommittee – (Loren B. Wagenaar)

The Dielectric Test Subcommittee (DTSC) met on Wednesday, October 25, 2006, in Montreal,Canada with 55 members and 73 guests present. 6 of the guests requested membership and arewelcomed into the Subcommittee. See the last page of these minutes for attendance list.


1) The Chair reviewed highlights of the Administrative Subcommittee meeting held on Sunday:

a) The next meetings: Mar 11-15, 2007 in Dallas, TX; Oct 14-18, 2007 in Minneapolis, MN.

b) There was discussion on the MyBallot system. It is now permissible for a PAR to besigned by the appropriate WG Chair instead of the SC Chair. This change was madesince the WG Chair is more familiar with the details of the work at the WG level.

c) The Administrative Subcommittee would like all WG & TF Chairs to know that they canschedule working meetings at the General Meetings.

d) Ernst Hanique announced that he has changed jobs and will no longer be participating inTransformer Committee activities. Ernst was a valuable contributor to past DielectricTSCest projects, and he will be missed. Thanks and good luck to Ernst in his futureendeavors.

e) This past Sunday’s tour of IREQ laboratory turned out to be an embarrassing blemish forthe Transformers Committee. 117 people signed up to attend, but there were 33 no-shows. In the future, if you sign up for an event, please notify the organizer if you do notintend to participate

2) The minutes of the Spring 2006 meeting in Costa Mesa, CA were approved as written, and areavailable on the IEEE Transformers Committee Web Site.


7.12.2.1 Working Group on Acoustic Partial Discharge Tests in Transformers - J.W.Harley, Chair; Alan Darwin, Secretary

Attendance: 14 members and 38 guests. Attendees introduced themselves. The minutes from the20 March 2006 Costa Mesa meeting were approved.

IEEE Patent disclosure requirements were discussed and a request was made for attendees toidentify or disclose any patents that may be related to the work of the WG. There were noresponses.

The main discussion was about the balloting and subsequent need for revisions to PC57.127Draft Guide for the Detection and Location of Acoustic Emissions from Partial Discharges in Oil-Immersed Power Transformers and Reactors.


1. The Guide was balloted between June 29 and July 29, 2006. There were 95 eligible people inthe ballot group. There were 77 votes received, which is 81% returned, so the ballot met the75% returned ballot requirement. The ballot also met the 75% affirmation requirement. Theresponse was 68 affirmative votes and one negative vote with comments for 99% affirmative.There were eight abstention votes for 10% abstention.

2. The comments associated with the one negative vote were all editorial in nature. The voteragreed to change to a positive vote if his suggested revisions are made. This has been doneexcept there may be difficulty in improvement of one of the figures. The possibility ofenhancing the figure will be discussed with the IEEE editor.

3. The most important revisions in response to voter comments were (a) clarification of wavepropagation in the transformer tank wall and (b) addition of characteristics of core to wall PDto Table 4 Comparison of electrical and acoustic PD signals. As the result of the discussion ofacoustic waves, WG members will add a definition for burst count and use of this informationand add the use of oscillation count information to that definition.

4. Other technical and legal comments and two added subclauses and references werediscussed at the WG meeting

The consensus of the Working Group is that the PC57.127 Guide will be ready for recirculationballot when the above changes are made. This will be done in the near future.

7.12.2.2 Working Group on Revision of Low Frequency Tests – Bertrand Poulin, Chair

The meeting was held on Monday October 23rd at 11h00 am. After the usual introduction anddisplay of IEEE’s Patent policy, the minutes of the previous meeting were approved as written.

Next, Dr. Lemke presented his report on the task force meeting for the revision of C57.113 (IEEEGuide for Electrical Measurements of Partial Discharges in Transformers). The minutes of thismeeting are found in Appendix 1. The main topics are:

I. The process of revision of the guide is going well. Comments and suggestions after draft 4were incorporated in draft 5, circulated in the last several weeks and reviewed at themeeting.

II. The main topic of the discussion was focused on the fact, that by the harmonization of theIEEE Guide C57.113 with the standard IEC 60270, aspects of copyright permissions haveto be taken into consideration. See the minutes attached below for more details.

III. As the document has reached a point where it will soon be ready for balloting, a PAR hasbeen initiated. The submittal of the PAR has been delayed for administrative reasons, butthe issues have been resolved and it will be submitted soon.

The rest of the meeting was devoted to the review and discuss a proposal for modifications toC57.12.90, sections 10.5 to 10.11 related to low frequency dielectric testing. Most of the proposedchanges have little technical content except the following items:

· For the induced test, it is suggested to measure the pd level before the enhancement andafter the enhancement. It is proposed that a maximum increase of 150 pC between thesetwo measurements be added as a new criteria. If not met, a new enhancement must bemade.


· 10.8.2 Induced test on class 2 power transformers – test procedure. For the case oftransformers with an OD rating (cooling mode where the oil is forced directly in thewindings by pumps), it is suggested to have the pumps running for the duration of theinduced test. This applies to the first unit of a design (design test).

· And last, at a previous meeting, before the change in chairmanship of the WG, it hadalready been agreed that in section 10.10.5, the table for temperature correction of powerfactor measurements would be removed as it does not apply to all transformers andactually may introduce more errors than correction. Evidence of that has been presentedat a previous meeting. Mark Perkins will forward the agreed proposal to the chairman.

Among the editorial changes, since C57.113 is being revised and will adopt new definitions, thewording in C57.12.90 will reflect these changes as well in an effort to keep the two documents insync. In particular, the term “apparent charge level” will be promoted in lieu of “partial dischargelevel” in order to emphasize the fact that what we are measuring is an apparent charge and notan actual partial discharge.

Appendix 1 - Minutes of the Task Force MeetingElectrical Partial Discharge Measurement C57.113

Chairman - Eberhard Lemke

1. IntroductionThe Chairman opened the meeting at 8:00 a.m. and welcomed the members and guests. Therewere 32 attendees present, 17 of them TF members and 15 guests.

2. IEEE Patent PolicyThe IEEE Patent Policy was discussed based on the submitted transparencies. There were nopatent issues to be discussed.

3. Approval of AgendaThe tentative agenda was approved as submitted.

4. Approval of Minutes of the previous MeetingThe minutes of the previous TF meeting in Costa Mesa, CA were approved as written.

5. Activities for revision the IEEE Guide C57.113The comments and suggestions from Draft No. 4 were incorporated in the recent Draft No. 5A, whichwas circulated prior this meeting and reviewed today. The main topic of the discussion was focusedon the fact, that by the harmonization of the IEEE Guide C57.113 with the standard IEC 60270,aspects of copyright permissions have to be taken into consideration.

In order to eliminate possible conflicts the TF members agreed to change the wording and thetechnical content of paragraph 3, DEFINITIONS.

A new definition of the PD quantity “Apparent charge” was introduced, which is based on the physicalbackground and more closely follows the definition given in the relevant IEC standard. In additiondefinitions for the “Calibrating charge” and the “Scale factor” were introduced, which cover the technicalcontent of IEC 60270 and can be easily applied in actual practice. Finally the complex wording of


IEC “Largest repeatedly occurring PD magnitude” was replaced by the simple term “Apparent chargelevel”.

6. Future workThe comments and suggestions made during the discussion will be incorporated into the next Draftafter which the document will be ready for balloting by the TF members. Furthermore a PAR will beinitiated which is requested for C57.113 to become a “Recommended Practice” rather than a “Guide”.

7.12.2.3 Working Group on Revision of Impulse Tests – Pierre Riffon, Chair; PeterHeinzig, Vice-Chair

The WG met on October 24, 2005, from 3:15 pm to 4:30 pm. Fourteen members and twenty-sixguests attended the meeting. The agenda was accepted as written. The minutes of the CostaMesa meeting were approved as written.

The IEEE patent disclosure requirement policy was discussed. Reference to the package postedon the IEEE Transformers Committee Web site was made. None of the members and guestspresent during the meeting were aware of any patents related to the work of this WG.

The first technical subject on the agenda was the review of the survey made within the WGmembership on September 19, 2006 concerning the revised proposal on lightning impulse testprocedure for cases where the tail time of the impulse waveshape can not be obtained. A total of91 surveys have been sent and only 17 surveys were returned. Out of these 17 returned surveys,16 were affirmative (94,1%), none were negative (0 %) and one abstained (5,9%). The variouseditorial and technical comments received were reviewed during the WG meeting and acceptedby the WG membership. These comments will be implemented in the next revision of theproposal. These comments do not change the technical content of the proposal. The revisedproposal will be sent to Stephen Antosz for the next revision of C57.12.90.

The second technical subject was an old business and was related to modifications to clause10.2.2.1 of C57.12.90 (Switching impulse tests). As agreed upon during the Memphis meeting,only negative impulse waves will be specified. A note will be added saying that reduced levelpositive polarity waves need to be used to bias the core between 100% shots in order to avoidcore saturation. This proposal will be surveyed within the Dielectric Tests SubCommittee prior tothe next meeting.

The third technical subject was also an old business and was related to modifications to clause10.3.1.3 of C57.12.90 (Chopped-wave tests). This proposal has been also discussed in 2004during the San Diego meeting. This proposal gives a more consistent and uniform testingmethod. A tolerance is now given to the maximum time to chop. Clear prescriptions are nowgiven for the location of the chopping gap as well as the amplitude of the underswing of oppositepolarity. Discussion regarding the virtual front time during chopped wave test has lengthilydiscussed. The virtual front time during chopped-wave test does not necessarily need to be thesame as during the full test but should remain within the prescribed tolerances. The text will bemodified to take into account the particularity. A revised proposal will be surveyed within theDielectric Tests SubCommittee prior to the next meeting.

Because the WG meeting was running out of time, the remaining subjects of the agenda were notdiscussed and will be postponed to the next WG meeting.


7.12.2.4 Working Group for Revision of the Impulse Test Guides C57.98 and C57.138 – ArtMolden, Chair; Joe Melanson, Secretary

The meeting opened at 3:15PM on Monday October 23, 2006 with 34 attendees present of whom14 were members, 20 were guests. The group introductions were made. The 2005 fall minuteswere approved. The 2006 spring minutes were approved.

The ANSI patent policy slides were presented to our membership. The group had an opportunityto identify any patent conflicts and none were disclosed. There were no comments regarding theslides.

Art Molden opened the meeting with a discussion of a proposal to replace Clause 7 of Draft 1.0 ofour guide with a new Clause 7 procedure to determine the required impulse generator “size”

Pierre Riffon commented that the new Clause 7 provided a clear and simple presentation of amethod to determine the IG capacitance required to obtain the tail duration when testing lowimpedance windings. However, Pierre indicated that he thought that the “minimum energy”concept would best serve the original intention to provide a recommended minimum impulse testcapability for given transformer ratings. Art proposed that the latest “minimum energy” tablewould therefore be included with some additional explanatory text that he and Pierre wouldproduce in collaboration; Pierre agreed.

Under “new business” Bertrand Poulin commented that the decision to use external resistors onnon-impulsed terminals during an impulse test should only be made after consultation with thetransformer design department. These external “loading” resistors are sometime used to helpextend the tail of the impulse wave when the available test equipment capacitance is limited.Bertrand suggested that the effect of the loading resistors on the internal voltage distribution ofthe transformer should first be verified by the designer before the resistors are used in a test. Artasked Bertrand to submit a paragraph to this effect and Bertrand agreed to do so.

Pierre Riffon commented that any external loading resistors used should be limited to thosevalues as stated in the latest revision of C57.12.90 and that the values referenced in our guidewere not the current values. Art Molden will correct the reference to these values in the next draftof our guide.

A motion was made to accept that, with the inclusion of the above three items and with completionof the editorial work on the revision as it now stands, the guide would be ready for a firstcirculation within the Dielectric Test Subcommittee. The motion was proposed by Bertrand Poulinand accepted by the members.

Art Molden asked if there was any discussion or questions relating to the C57.138 RoutineImpulse Guide for Distribution Transformers. No comments or questions were raised and thetopic was closed.

7.12.2.5 Working Group on Liquid-Filled Transformers Dielectric Test Tables – PhilHopkinson, Chair; Scott Choinski, Secretary

There were 46 attendees, 23 members, and 23 guests with 2 requesting membership. Reviewedthe agenda for the meeting, and the IEEE patent policy. The Minutes from the March 21, 2006,meeting in Costa Mesa, California were approved.


Revised tables were sent out for review after the last meeting. Very good comments werereceived from Bipin Patel, and were reviewed:

A. General1. Tables on pages 8 and 9 do not indicate that the voltage levels are in kV. OK-PJH2. Title on Page 9, “Class 2 Power Transformers, - Highest Winding Voltage” – Delete, “For

Highest Winding Voltage”. It is understood by the definition in C57.12.00. If you have tokeep it, you may want to change “Winding Voltage” to “Voltage Winding”.OK-PJH

3. The C57.12.00 – 2000 leaves a voltage gap between Class I and Class II transformers for70kV to 114kV ratings. I know that these voltages are not recognized as standard nominalvoltages. The first table on Page 9 is titled, “Class 2 (instead of II), < = 72.5kV NominalSystem Voltage” , is this acceptable? Also, there is no 72.5 kV nominal system voltageper IEE voltage classification. Per C57.12.00, don’t you think instead of “72.5 kV” weshould use “69 kV” for defining Class II Power Transformers in all titles in the table onPage 9? I am sure this has been thoroughly debated and agreed to be acceptable.Change to Class II-PJH

4. Table 4 of C57.12.00 – 2000 shows relationship between Nominal system voltages andavailable BIL ratings. This information is duplicated in the tables here with Note 3 on Page8 that indicates this table should be used to select BIL ratings for all three classes oftransformers. Is Table 4 going to be left alone? If so, do we need to repeat them here? Iam sure this has been already debated. No plans to keep table 4-PJH

A. Page 81. Note 1 – Remove *-Agree PJH2. Note 3 – There is no Class 2 transformer covered on this page. Also need to use I and II

instead of 1 and 2. Agree PJH3. Note 5 – The note appears confusing. There are applied levels shown for Gr Y and Imp Y

connections. This means there could be unGr Y. If someone purchases a wye-connectedtransformer and whether specifies it to be designed for ungrouded system application ornot, what applied test level will be applicable. Can supplier read a number off the table?The answer to this question will help me or other users to know how the note should beread. Not knowing this answer I can not suggest any changes. I hope you see what I amtrying to say. Need to Clarify PJH

4. Note 7 – Here is my suggestion for rewording the note – “ For Y-Y connected transformerswith a common, solidly grounded neutral the neutral bushing may be selected inaccordance with low voltage winding rating.”OK if it fits space PJH

5. Note 10 – The way the note reads to me the term “Single phase” refers to all threecategories of transformers. If so, I will rewrite it as, “ Single phase distribution, power, andregulating transformers for - - - - - so on”. I also suggest that “ voltage ratings betweenterminals” be replaced with “ terminal voltage ratings” or better yet “voltage ratings”. Andone more change – modify the last sentence as, “The test voltage for such transformers,when operated in a three phase connection, are - - - needed for their individual voltagerating.” Investigate PJH

6. Note 11 – Replace, “ voltage between terminals” with “rated terminal voltage”. InvestigatePJH

B. Page 9 Investigate PJH1. Need to repeat Note 3 appropriately for this table.2. Similar or identical notes on both pages (page 8 and Page 9) will serve better if numbered

the same and in the same sequence as much possible. For example, Note 4 on Page 8and Note 1 on Page 9.


3. Under the title,”Induced Test” modify “>72.5 kV” to “>=72.5 kV”.4. Note 3 – same comment as for Note 5 on Page 8.5. Note 4 – same comment as for Note 7 on Page 8.6. Note 6 – same comment as for Note 11 on Page 8.

C. Page 10 Investigate PJH1. Delete “1.2x50 u-sec”. It’s part of test code.And if you include here then what about

switching impulse details in the same manner? I also suggest we replace “BIL” in the firstcolumn with “Full Wave” to be consistent with the heading of the other two columns andadd “BIL” underneath “kV Crest” in line with “1.1*BIL”.

2. Switching impulse is a line to ground application per the requirements of IEEE standardand the test code. So, I think we should delete “Phase to ground specified” from the noteat the bottom of the page.

D. Page 11I assume the table shown here is for information and not part of the standard. True PJH

Other comments and changes to the tables:

Pierre Riffon proposed removing the definition of Class I and Class II from the tables. Straw poll ofTF supported (20 for, 1 opposed) and proposal was accepted.

Table Ia, - Delete the values for Gr Y for Distribution Transformers. Note 6, change to“Distribution Transformers and Class I shall be not less than 2.0 times nominal system”

Add a note for Shock wave testing for Class I and Distribution Transformers

Note 7, replace “bushing” with “neutral insulation”

Add note for no routine impulse tests for Class I

Remove yellow bands from Class II tables

Order the notes so they are in the same order for both tables

Change ì-sec to ìs

It was inquired if anyone still used 350, 450 and 550 as minimum BiL levels for Class II, and thereare.

7.12.3 Liaison Reports

7.12.3.1 Status of C57.12.00 – Dong Kim; and C57.12.90 – Stephen Antosz

Both documents have been approved by RevCom and the Standards Board at their Septembermeetings and will be published soon, hopefully before the end of 2006, pending IEEE Editorialfinal reviews.


7.12.3.2 High Voltage Test Techniques (HVTT), IEEE Standard 4 - Arthur Molden

Editorial work on the new revision of High Voltage Testing Techniques, IEEE Standard 4continues. We had a meeting in June during the summer session of the Power EngineeringSociety here in Montreal and we will meet again in mid November in Lake Placid NY. It is hopedthat the first draft of this revision will be ready later this year.

7.12.3.3 Surge Protection Devices – Bob Degeneff

No report.

7.12.4 Old Business

7.12.4.1 Switching Impulse Test Configuration

At the last meeting, a standard test set-up was discussed regarding phase-phase and/or phase-ground voltages and that the intended test configuration must be known at time of design toaccount for the varying stresses. Figures 36 & 37 of C57.98 show that the same voltages areapplied whether applied phase to phase or phase to ground. The Chair has reviewed thesefigures and thinks they are OK, but they do need minor modification to clarify the intent. TheChair will undertake this task.

7.12.4.2 Core Testing

Several years ago Dan Perco submitted a comment about core testing. This issue was never fullydiscussed. The Chair will forward this request to Bertrand Poulin for consideration by the LowFrequency Test WG.

7.12.4.3 Phase-to-Phase Clearances

The Chair mentioned that there are some lingering questions regarding this issue. The Chair willinvestigate and report at the next meeting.

7.12.5 New Business

7.12.5.1.1 Impulse Tests on Neutral Terminals – Subhash Tuli

Subhash said that impulse testing on neutral terminals is currently not covered in C57.12.00 orC57.12.90, and suggested investigation and discussion about future implementation. Muchdiscussion ensued on this and related topics:

Phil Hopkinson said that the definition of Routine and Design tests are not well defined and needclarified. Specifically, when is Chopped Wave test to be done.

Joe Foldi pointed out that Chopped Wave is part of the impulse series (RW, CW, CW, FW) and istherefore included when Impulse Tests are required.

There was discussion about what Impulse Tests should be required for Distribution xfmrs.

There was discussion about making Impulse Tests routine for Class 1 transformers. Jin Simasked if the Standards should really differentiate between Class 1 and Class 2 transformers


(presumably as this applies to impulse testing). Should the definition of Class 1 transformers bechanged? The issue to include 69 kV as Class 2 came up in the past, but was tabled.

The Chair mentioned that there was a survey several years ago regarding impulse testing ofdistribution units. However, results were not overwhelming one way or the other, andBut notenough people responded to the survey, so the subject was dropped.

Chair’s note: The minutes of the Spring 2005 meeting indicates the following:

A survey was conducted within the DTSC covering two ongoing issues:· Whether to apply impulse tests to all power transformers – 18 affirmative, 16 negative and

3 abstentions (48.6 %, 43.2 % and 8.1, respectively).· Whether to extend the coverage of Class II transformers down to 69 kV – 22 affirmative,

12 negative, and 3 abstentions (59.5 %, 32.4 % and 8.1 %, respectively).

Several hand votes were taken, but due to uncertainty in what the specific motion was, thesevotes are not valid and therefore will not be tallied here.

After all this discussion … nothing was decided. The most likely course of short-term action willbe to resurrect the recent past survey, modify it to address the growing chorus of related issues,and send it out again to the Sub-Committee for comment and proposed path forward.

7.12.6 Meeting Adjourned

The meeting abruptly adjourned at 10:50 a.m. as the time in the time slot had expired.


8.0 Editor’s Report – Fall 2006 Montreal, Quebec Meeting

Editor’s Report – Fall 2006 Montreal Meeting

Between March 19, 2006 and October 20, 2006 a total of 50 papers in the transformer area weresubmitted to IEEE Transactions on Power Delivery for possible publication. Many of the papers inthis rotation have been revised and resubmitted at least once. For the 46 reviews completed duringthis period, the recommendations were: Accept without changes – 9; Revise and Resubmit – 23;and Reject - 14. A summary of the accepted papers is at the end of this report.

I would like to thank all of the reviewers who volunteered for this effort and donated their time, andwould like to encourage everyone associated with IEEE Transformers Committee activities to considerbecoming a Reviewer. The comments and suggestions of the reviewers improve the quality of thepapers that are published and we need the help of all of you to ensure that we continue to havequality papers that benefit all of us.

I would like to encourage those Reviewers that already have an account on IEEE Manuscript Centralto keep their profile information updated and complete the areas for key words and areas of interest.

Respectfully Submitted,John CrouseEditor, IEEE Transactions on Power [email protected]

INSTRUCTIONS FOR SIGNING UP TO REVIEW IEEE TRANSACTIONS PAPERS 1. Before you create a new account, please check for an existing account by clicking on: "Check for

Existing Account" 2. Assuming that you do not get an existing account notification email, click on "Create New

Account" and enter in your information. 3. Please specify any “Specialty / Area of Expertise” according to the 5 numerical codes below:

13a: Power and Instrument Transformers 13b: Insulating fluids category 13c: Dielectric Testing 13d: Audible Noise and Vibration 13e: Transformer Modeling Techniques

4. Please specify any “Key Words” such as: distribution transformers, core losses, oil DGA, or thermal, for example.

5. Submit your information. 6. Click on "Request Reviewer Status" to be enabled as a reviewer.



9.0 Meetings Planning Subcommittee – G.W. Anderson

9.1 Meeting Arrangements SCMeeting attendance (preliminary as of 10/22/2006) for Montreal is:Attendance 404Spouses 85Sunday Reception 386Monday Standards Luncheon 119Tuesday Speaker Luncheon 208Wednesday Dinner Social 237Sunday Trip to Quebec 53Sunday IREQ Tour 113Monday Bell Helicopter Tour 54Monday ECI Tour 54Tuesday ABB Tour 50Thursday AREVA Tour 4Thursday Weidmann Tour 8

IEEE TC Web access key code is 8006784333

Starting with the Dallas, Texas meeting registration will only be available “on-line”. Nopaper or “walk-up” registration will be available.

9.2 Meeting Finances:Balance before the “Fall 2005” Memphis, TN meeting $18,793.02Balance before the “Spring 2006” Costa Mesa, CA meeting $1,729.81Balance before the “Fall 2006” Montreal, Canada, meeting $17,014.33

9.3 Future Meetings:S07 (March 11-16) – Dallas Texas, Hilton Lincoln Centre hotel near airport, hosted by TXUElectric Delivery and Ken Hanus

F07 (October 14 - 18) – Minneapolis, Minnesota, hosted by Sue & Paul McNelly, EXCELEnergy

S08 (date TBD) — southern US location (hopefully either Phoenix, San Antonio, Miami, orCharlotte)

F08 (probably early October) — Porto, Portugal ... Sheraton Hotel, rate will be slightly lessthan US$100

Everyone should encourage active participants to become a “Transformers Committee”member.


10.0 Reports of Liaison Representatives

10.1 Standard Coordinating Committee No 4

10.1.1 Standards Coordinating Committee 04 – Insulation Systems - (Paulette Powell)

SCC4 - Nothing to report at this time

Paulette Payne Powell202-388-2335 office202-497-9057 cell

10.2 IEC – TC Technical Advisor to USNC

10.2.1 IEC TC-14 Technical Advisory Group Meeting Minutes

U.S. National Committee of the International Electrotechnical Commission,A Committee of the American National Standards Institute

Technical Advisory Group for IEC TC 14

TAG Administrator:National Electrical Manufacturers Association1300 North 17th Street, Suite 1752, Rosslyn, VA 22209Tel: 703-841-3252, fax: 703-841-3353

MINUTESHotel Delta Centre-Ville, Montreal, Canada, – October 25, 2006

Chairman: Phil HopkinsonSecretary: Scott Choinski

The USNC TAG for IEC TC14 was called to order at 1:30 PM. There were 20 attendees, 5 members, and15 guests. Reviewed the agenda for the meeting, and the IEEE patent policy. The Minutes from the March22, 2006, meeting in Costa Mesa, California were approved.

1. MT5 REVISION OF IEC 60076-1 - Hopkinson

PJ Hopkinson, Convenor. Task is to revise IEC 60076-1 “Power transformers - Part 1:General.” First meeting held September 12-13, 2006 in Paris, second meeting heldOctober 23-24 in Montreal. Conducting clause-by-clause review to prepare for a first CD.

This is a much larger project than expected. MT members submitted numerous proposalsand there were 41 other areas were identified for review. The current draft will becirculated to the TAG for comment/review.

2. MT4 DESIGN AND APPLICATION OF LIQUID-IMMERSED POWER TRANSFORMERSUSING HIGH-TEMPERATURE INSULATION MATERIALS - Marek

R. Marek, Convenor, revising IEC 60076-14 TS


3. IEEE STANDARD C57.123 (2002) - SUBMISSION FOR THE IEC/IEEE DUAL LOGOINTERNATIONAL STANDARD PROCESS – 14/543/DC.

Comments received were received in 14/546/INF. Germany, France, Spain, UK, Italy andNorway do not support mostly due to referenced standards are IEEE and not IECdocuments and conflicts with existing IEC work.

The current dual logo process allows approval of the IEEE document with no changesonly. IEC is more receptive to using bits and pieces of documents. A question was raisedon the ramifications of dual logo if bits and pieces of an IEEE standard are merged into anIEC standard. IEEE staff to be contacted and invited to the next meeting to discuss thisissue.

4. JOINT WORKING GROUP (JWG) TC 10 / TC 14 - 14/539/DC

IEC/TC 10 decided to set-up WG 32: Condition assessment and life cycle analysis ofelectrical equipment derived from oil analyses. Main reason for setting-up this WG isthat TC 10 has several standards dealing with transformer maintenance through oilanalyses, i.e., 60422, 60599, 61198, etc., and it should be of the most interest to theindustry to integrate all this information in one standard, thus providing users with avery powerful tool for this very important task. 14/544/INF lists TC 14 experts to theJWG. Any interested members should contact TA or TAG Administrator to be added tothe JWG.

5. IEC 60076-6 ED.1: POWER TRANSFORMERS – PART 6: REACTORS

CDV was approved, next step is FDIS

6. IEC 60076 POWER TRANSFORMERS – PART 12 - LOADING GUIDE FOR DRY-TYPE POWER TRANSFORMERS – 14/545/CD

CD issued, closing date for comments December 1.

7. ADJOURN



10.3 CIGRE liaison report JC Riboud

Study Committee A2 Transformers

Last SC committee met in Paris during the Cigré Session

Main membersChairman is Mr Pierre Boss (CH) [email protected] is Mr Claude Rajotte ( Ca) [email protected]

WG 24 Thermal3 actions in 2006:

· Thermal ageing of paper· Tutorial on thermal performances· Two Task Forces one on new design and one on in service units

WG 23 Data management:Brochure N° 298 “Guide for transformer lifetime data management “is issued and for saleThe WG is disbanded.

WG 25 Bushing reliability conclusion· Problems of moisture ingress in bushings· Too many different capacitive taps creates misuse and danger

The WG is disbanded

WG 26 Mechanical conditions assessment using FRA· Intermediate report shows problems of repeatability of tests in high frequency range

due to cabling.· Work planned to be finished in 2007

WG 27 condition monitoring facilities· Make recommendation for provision for sensor, facilities or data’s for new

transformers.· Will complete before end 2006

WG 28 HVDCFailure rate was quite high in the past yearsMain problems areas were:

· Turn to turn DC side· Leads and cleat bars· DC bushing· Copper sulphur· Commutation and high frequency transient

Design review guide is under editorial review before publicationTest specification:

· Proposal of a new extended polarity reversal test to better take care of the effect ofconductivity.

WG 29 reliability surveyDisbanded because of lack of answers.


WG 30 Moisture in transformer brochureBrochure will be submitted for ballot in February 07. It includes new information on how toprotect transformer from moisture.

WG 32 Corrosive sulphurA new test for corrosive sulphur detection in oil is proposed as Cigré standard it includescopper and paper.

New WORK· Fire safety of transformers· Guide for maintenance· New state of the art on new liquids

Preferential subjects for 2008PS1: Guidance in new insulation liquids and solids for improvement of performances and

reliabilityPS2: Life estimation / consumption of transformer in servicePS3: Shunt reactors and related items.

Next meetings: 2007 Bruges (Brugge) in Belgium.

You can find more on www.cigre-scA2.org


11.0 Old Business

There were no items of Old Business brought up

12.0 New Business

There were no items of New Business brought up


IEEE / PES Transformers CommitteeMeeting Minutes

AttachmentsApproved


Previous Meeting Locations & Chair

Year Spring Location Fall Location Chairman2006 Costa Mesa, CA Montreal, PQ Canada Fallon2005 Jackson, MS Memphis, TN Hanus2004 San Diego, CA Las vegas, NV Hanus2003 Raleigh, NC Pittsburgh, PA Sim2002 Vancouver, BC, Canada Oklahoma City, OK Sim2001 Amsterdam, The Netherlands Orlando, FL Patel2000 Nashville, TN Niagara Falls, ON, Canada Patel1999 New Orleans, LA Monterey, Mexico Matthews1998 Little Rock, AR Guanajuato, Mexico Matthews1997 Graz, Austria (summer) St. Louis, MO Binder1996 San Francisco, CA Burlington, VT Binder1995 Kansas City, MO Boston, MA Harlow1994 Dallas, TX Milwaukee, WI Harlow1993 Portland, OR St. Petersburg, FL Borst1992 Birmingham, AL Cleveland, OH Borst1991 Phoenix, AZ Baltimore, MD Veitch1990 Denver, CO Montreal, PQ, Canada Veitch1989 Chicago, IL Charlotte, NC Veitch1988 Washington, DC Long Beach, CA Compton1987 Ft. Lauderdale, FL New Orleans, LA Compton1986 Little Rock, AR Pittsburgh, PA Yannucci1985 St. Louis, MO Toronto, ON, Canada Yannucci1984 Vancouver, BC, Canada Boston, MA Savio1983 Atlanta, GA Detroit, MI Savio1982 Los Angeles, CA Philadelphia, PA McNutt1981 Portland, OR Phoenix, AZ McNutt1980 Williamsburg, VA Milwaukee, WI Bonucchi1979 San Diego, CA Houston, TX Bonucchi1978 Miami, FL Chattanooga, TN Bennon1977 Charlotte, NC Montreal, PQ, Canada Bennon1976 New Orleans, LA San Francisco, CA Honey


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RD

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OJE

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LE

Pu

b Y

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Rev

Du

e D

ate

PA

R I

ssu

e D

ate

PA

R E

xp

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nd

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Sta

tus

Rem

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10

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4)

82

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8

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ri

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e fo

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ran

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12

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12

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0

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ject

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ctiv

e P

AR

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der

dev

elop

men

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4)

82

1-6

63

8

man

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d

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mer

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and S

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ated

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500 k

VA

20

00

12

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0

Ap

pro

ved

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eaff

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ed S

epte

mb

er '0

5

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mat

ion a

pp

rov

ed b

y R

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9

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nd T

est

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cedure

fo

r

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arat

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20

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12

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9

Ap

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ved

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ally

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EE

21

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vio

us

rev

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n 1

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6.1

ap

pro

ved

by R

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5)

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7

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and

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on

s fo

r O

utd

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ppar

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20

00

12

/31/2

01

0

Ap

pro

ved

Form

ally

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. IE

EE

24

Rea

ffir

med

in 2

00

5.

Sin

gh

(73

1)

69

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22

8

pri

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gh@

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19

96

12

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7

Ap

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h C

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da

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da

-1, P

ubli

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in 2

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0)

41

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9

fell

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99

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Ap

pli

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um

112

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00

7

Ap

pro

ved

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lish

ed 6

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00

6

Ell

iott

(36

0)

41

8-2

26

9

fell

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pp

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19

95

12

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01

0

3/3

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12

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0

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n

Rev

isio

n f

or

C5

7.1

9.1

01-1

992

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PA

R r

equ

este

d a

nd

app

rov

ed t

o 1

2/3

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0.

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7)

21

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7

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T. Page

1 o

f 12

Pre

pare

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hiu


Status Report of Standards FALL 2006S

TA

ND

AR

D

PR

OJE

CT

TIT

LE

Pu

b Y

ear

Rev

Du

e D

ate

PA

R I

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PA

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nd

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Sta

tus

Rem

ark

10

/18

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rou

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hair

Em

ail

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on

e

Sub

Co

mm

itte

eD

IEL

EC

TR

IC T

ES

TS

L.

B.

(61

4)

55

2-1

75

9

lbw

agen

aar@

ieee

.org

Ch

air

Wag

enaa

r

C5

7.1

13

IEE

E G

uid

e fo

r P

arti

al D

isch

arg

e M

easu

rem

ent

in

Liq

uid

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led

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nsf

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ers

and

Sh

un

t R

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19

91

12

/31/2

00

7

6/2

0/1

996

Ap

pro

ved

- A

ctiv

eL

emk

e

+4

9 3

52

07 8

630

man

age@

cdic

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C5

7.1

27

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27

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r th

e D

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f A

coust

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mis

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char

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in O

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mm

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d P

ow

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Tra

nsf

orm

ers

20

00

12

/31/2

00

7

2/1

3/2

003

12

/31

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7

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n

PA

R t

o R

evis

e IE

EE

Std

C57.1

27-2

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ley

(33

0)

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47

1

jack

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c.co

mJ. W

.

C5

7.1

38

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ecom

men

ded

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ctic

e fo

r R

outi

ne

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lse

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t

for

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trib

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on T

ran

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19

98

12

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01

0

Ap

pro

ved

- R

eaff

irm

ed i

n J

une

'05

Rea

ffir

mat

ion a

pp

rov

ed b

y R

evC

om

on

6/8

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.

Mold

en

(84

5)

22

5-0

99

3

a.m

old

en@

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.

C5

7.9

8

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8

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uid

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r T

ran

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pu

lse

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ts19

94

12

/31/2

00

9

9/1

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12

/31

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9

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n

PA

R t

o R

evis

e IE

EE

Std

C57.9

8-1

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PA

R e

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on

req

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ted

an

d a

pp

rov

ed t

o 1

2/3

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Mold

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(84

5)

22

5-0

99

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en@

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. Page

2 o

f 12

Pre

pare

d b

y B

. C

hiu



ST

AN

DA

RD

PR

OJE

CT

TIT

LE

Pu

b Y

ear

Rev

Du

e D

ate

PA

R I

ssu

e D

ate

PA

R E

xp

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nd

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Rem

ark

10

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hair

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ail

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on

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Sub

Co

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ION

TR

AN

SF

OR

ME

RS

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S.

(81

7)

21

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4

ken

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us@

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Ch

air

Ha

nu

s

PC

57.1

2.3

3

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ide

for

Dis

trib

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on

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nsf

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er L

oss

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alu

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98

12

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4

PA

R W

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dra

wn -

In

acti

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WG

Dec

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n m

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at L

as V

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ting t

o d

isco

nti

nue

this

acti

vit

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PA

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dm

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m

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0)

76

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80

0

tjpek

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PC

57.1

2.3

6

Sta

nd

ard

Req

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emen

ts f

or

Liq

uid

-Im

mer

sed

Dis

trib

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on S

ub

stat

ion

Tra

nsf

orm

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6/1

3/2

002

12

/31

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6

New

Pro

ject

- A

ctiv

e P

AR

Std

un

der

dev

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d t

o s

tart

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cess

so

on

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PA

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Sta

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fo

r O

ver

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d T

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on

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an

d S

mal

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age

34

50

0 V

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d

Bel

ow

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ow

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age,

79

70/1

3 8

00 Y

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s an

d B

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20

05

12

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01

0

9/1

5/2

006

12

/31

/201

0

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n

New

PA

R r

equ

este

d a

nd

app

rov

ed t

o 1

2/3

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01

0.

Wil

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1

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C5

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5

PC

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fo

r P

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e, 2

40

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0 V

olt

s; 1

67

kV

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nd

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alle

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emen

ts

8/1

1/2

005

12

/31

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9

Ap

pro

ved

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ctiv

e P

AR

for

rev

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n

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gin

al P

AR

PC

57

.12

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wn

on

12

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PA

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pp

rov

ed 8

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PA

R m

odif

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n 2

00

6, ap

pro

ved

to

12/3

1/2

00

9.

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afo

uri

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(73

1)

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5-9

12

1

agh

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uri

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erm

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ci.c

om

A. A

.

C5

7.1

2.2

8

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Sta

nd

ard

fo

r P

ad M

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qu

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ty

20

05

12

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01

0

Ap

pro

ved

Pre

vio

usl

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EM

A/A

NS

I C

57.1

2.2

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999

Pub

lish

ed 9

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2)

83

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36

2

role

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per

po

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m

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C5

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2.2

9

PC

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Sta

nd

ard

fo

r P

ad M

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qu

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ncl

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Inte

gri

ty f

or

Co

asta

l E

nv

iro

nm

ents

20

05

12

/31/2

01

0

Ap

pro

ved

Pre

vio

usl

y N

EM

A/A

NS

I C

57.1

2.2

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991

Curr

ent

stan

dar

ds

Pu

bli

shed

10

/10

/20

05.

Ole

n

(26

2)

83

5-3

36

2

role

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coo

per

po

wer

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m

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C5

7.1

2.3

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EE

Sta

nd

ard

fo

r P

ole

Mo

un

ted

Eq

uip

men

t -

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re I

nte

gri

ty

20

02

12

/31/2

00

7

Ap

pro

ved

Pub

lish

ed 3

/6/2

00

3

Ole

n

(26

2)

83

5-3

36

2

role

n@

coo

per

po

wer

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m

O.

C5

7.1

2.3

2S

tand

ard

for

Subm

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men

t -

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gri

ty

20

02

12

/31/2

00

7

Ap

pro

ved

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lish

ed 3

/7/2

00

3.

Ole

n

(26

2)

83

5-3

36

2

role

n@

coo

per

po

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m

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C5

7.1

2.3

4

PC

57.1

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4

Req

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emen

ts f

or

Pad

-Mo

un

ted

, C

om

par

tmen

tal-

Typ

e,

Sel

f-C

oole

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has

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orm

ers,

25

00

kV

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nd

Sm

alle

r: H

igh

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ltag

e, 3

4 5

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92

0 V

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s an

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elo

w;

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w V

olt

age,

48

0 V

olt

s an

d

Bel

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12

/31/2

00

9

3/2

0/2

005

12

/31

/200

9

Ap

pro

ved

- A

ctiv

e P

AR

for

rev

isio

n

Ori

gin

ally

Std

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47

, C

om

bin

ed C

57

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57

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19

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PC

57

.12

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11

ap

pro

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by R

evC

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9/2

2/2

00

4 f

or

pu

bli

cati

on

. P

ub

lish

ed 3

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5.

New

PA

R f

or

revis

ion

ap

pro

ved

3/1

9/2

00

5.

Shu

ll

(41

7)

62

5-6

11

0

sshu

ll@

empir

edis

tric

t.co

m

S. Page

3 o

f 12

Pre

pare

d b

y B

. C

hiu



TA

ND

AR

D

PR

OJE

CT

TIT

LE

Pu

b Y

ear

Rev

Du

e D

ate

PA

R I

ssu

e D

ate

PA

R E

xp

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on

Sta

nd

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Sta

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Rem

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10

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rou

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hair

Em

ail

Ph

on

e

Sub

Co

mm

itte

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IST

RIB

UT

ION

TR

AN

SF

OR

ME

RS

K.

S.

(81

7)

21

5-4

44

4

ken

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us@

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Ch

air

Ha

nu

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C5

7.1

2.3

5

PC

57.1

2.3

5

IEE

E S

tandar

d f

or

Bar

Codin

g f

or

Dis

trib

uti

on

Tra

nsf

orm

ers

19

96

12

/31/2

00

9

3/4

/200

5

12

/31

/200

9

Ap

pro

ved

- A

ctiv

e P

AR

for

rev

isio

n

Form

ally

P1

26

5.

C57

.12

.35-1

99

6 r

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n a

pp

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New

PA

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or

revis

ion

ap

pro

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on 2

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.

Mat

thew

s

(60

1)

42

2-1

53

3

lmat

thew

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nd.c

om

P

C5

7.1

2.3

7IE

EE

Sta

nd

ard

fo

r th

e E

lect

ron

ic R

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rtin

g o

f

Tra

nsf

orm

er T

est

Dat

a

20

06

12

/31/2

01

1

Ap

pro

ved

Form

ally

C5

7.1

32, IE

EE

Std

1388-2

000

D1

1d

appro

ved

by S

A B

oar

d o

n 3

/30/2

006

.

Ho

llin

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h

(60

1)

42

2-1

10

5

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d.c

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R.

C5

7.1

5

PC

57.1

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IEE

E S

tandar

d R

equ

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ents

, T

erm

inolo

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d T

est

Co

de

for

Ste

p-V

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age

Reg

ula

tors

19

99

12

/31/2

00

9

6/9

/200

5

12

/31

/200

9

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n

A n

ew P

AR

was

ap

pro

ved

6/9

/05

du

e to

sco

pe

chan

ges

.

Ori

gin

al P

AR

wit

hdra

wn

.

Colo

py

(26

2)

89

6-2

34

2

ccolo

py@

coop

erpow

er.c

om

C. A

.

Page

4 o

f 12

Pre

pare

d b

y B

. C

hiu



ST

AN

DA

RD

PR

OJE

CT

TIT

LE

Pu

b Y

ear

Rev

Du

e D

ate

PA

R I

ssu

e D

ate

PA

R E

xp

irati

on

Sta

nd

ard

Sta

tus

Rem

ark

10

/18

/200

6W

ork

ing G

rou

p C

hair

Em

ail

Ph

on

e

Sub

Co

mm

itte

eD

RY

TY

PE

TR

AN

SF

OR

ME

RS

C.

W.

(27

6)

68

8-1

51

2

char

les.

w.j

ohnso

n@

us.

abb.c

om

Ch

air

Jo

hn

son

, J

r.

PC

57.1

2.5

1

Ven

tila

ted D

ry-T

ype

Pow

er T

ran

sfo

rmer

s, 5

01

kV

A

and L

arge,

Thre

e-P

has

e, w

ith H

igh-V

olt

age

60

1 t

o

34

50

0 V

olt

s; L

ow

-Vo

ltag

e 2

08

Y/1

20 t

o 4

16

0 V

olt

s -

Gen

eral

Req

uir

emen

ts

9/1

5/2

006

12

/31

/201

0

New

Pro

ject

- P

AR

Req

ues

ted 6

/23/2

00

6

Pre

vio

usl

y N

EM

A d

ocu

men

t C

57

.12

.51, o

rig

inal

pu

bli

cati

on

by N

EM

A i

n 1

98

1, R

eaff

irm

ed i

n 1

998

. T

his

docu

men

t w

as

tran

sfer

red t

o I

EE

E i

n D

ec., 2

002.

New

IE

EE

PA

R r

equ

este

d a

nd

ap

pro

ved

to 1

2/3

1/2

010

.

Pow

ell

(20

2)

38

8-2

33

5

pap

ayn

e@ie

ee.o

rg

P. A

.

C5

7.1

2.0

1IE

EE

Sta

ndar

d G

ener

al R

equir

emen

ts f

or

Dry

-Type

Dis

trib

uti

on a

nd P

ow

er T

ransf

orm

ers

Incl

udin

g T

hose

wit

h S

oli

d C

ast

and

/or

Res

in E

nca

psu

late

d W

indin

gs

20

05

12

/31/2

01

0

Ap

pro

ved

Pre

vio

us

19

98

ver

sio

n w

as s

ucc

essf

ull

y r

evis

ed a

nd

app

rov

ed i

n 2

00

5.

Sull

ivan

(81

3)

88

4-5

42

4

jcsu

lliv

an@

ieee

.orgJ.

C.

C5

7.1

2.5

6

PC

57.1

2.6

0

IEE

E S

tandar

d T

est

Pro

cedure

fo

r T

her

mal

Eval

uat

ion

of

Insu

lati

on

Syst

ems

for

Ven

tila

ted D

ry-T

ype

Pow

er

and D

istr

ibu

tion T

ransf

orm

ers

19

81

12

/31/2

00

7

12

/10

/200

3

12

/31

/200

7

Ap

pro

ved

Bei

ng r

evis

ed b

y P

C57.1

2.6

0 (

PA

R a

pp

rov

ed D

ec, 2

003)

Wic

ks

(80

4)

38

3-3

30

0

rog

er.c

.wic

ks@

usa

.dupont.

com

R. C

.

C5

7.1

2.5

8IE

EE

Gu

ide

for

Co

nd

uct

ing a

Tra

nsi

ent

Volt

age

An

alysi

s of

a D

ry-T

ype

Tra

nsf

orm

er C

oil

19

91

12

/31/2

00

7

Ap

pro

ved

- A

ctiv

eK

lin

e

(84

3)

70

5-2

69

8

AK

LIN

E1490@

AO

L.C

OM

A. D

.

C5

7.1

2.5

9IE

EE

Gu

ide

for

Dry

-Typ

e T

ran

sfo

rmer

Th

roug

h-F

ault

Curr

ent

Du

rati

on

20

01

12

/31/2

00

6

Ap

pro

ved

Rea

ffir

mat

ion p

ack

age

subm

itte

d t

o R

evC

om

10

/04

/20

06

,

pen

din

g r

evie

w a

nd a

ppro

val

in D

ecem

ber

, 2006.

Pow

ell

(20

2)

38

8-2

33

5

pap

ayn

e@ie

ee.o

rg

P. A

.

C5

7.1

2.6

0

PC

57.1

2.6

0

IEE

E G

uid

e fo

r T

est

Pro

cedure

s fo

r T

her

mal

Eval

uat

ion

of

Insu

lati

on S

yst

ems

for

Soli

d C

ast

and

Res

in-E

nca

psu

late

d P

ow

er a

nd D

istr

ibuti

on

Tra

nsf

orm

ers

19

98

12

/31/2

00

7

12

/10

/200

3

12

/31

/200

7

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n o

f S

td

PA

R t

o R

evis

e IE

EE

Std

C57.1

2.5

6-1

98

6 a

nd I

EE

E S

td

C57

.12

.60-1

99

8

Wic

ks

(80

4)

38

3-3

30

0

rog

er.c

.wic

ks@

usa

.dupont.

com

R. C

.

C5

7.1

2.9

1

PC

57.1

2.9

1a

IEE

E S

tandar

d T

est

Code

for

Dry

-Type

Dis

trib

uti

on

and P

ow

er T

ransf

orm

ers

20

01

12

/31/2

00

6

6/8

/200

5

12

/31

/200

9

Ap

pro

ved

- A

ctiv

e P

AR

for

Am

endm

ent

PA

R f

or

Am

endm

ent

1 a

ppro

ved

on 6

/8/0

5.

Req

ues

ted

new

PA

R f

or

Rev

isio

n a

nd w

ithd

raw

PA

R f

or

Am

end

men

t.

Fost

er

(81

5)

67

8-2

42

1

dfo

ster

@o

lsun

.co

mD. R

.

C5

7.1

24

IEE

E R

eco

mm

end

ed P

ract

ice

for

the

Det

ecti

on o

f

Par

tial

Dis

char

ge

and t

he

Mea

sure

men

t of

Appar

ent

Ch

arge

in D

ry-T

yp

e T

ran

sfo

rmer

s

19

91

12

/31/2

00

7

Ap

pro

ved

Kli

ne

(84

3)

70

5-2

69

8

AK

LIN

E1490@

AO

L.C

OM

A. D

.

C5

7.1

34

IEE

E G

uid

e fo

r D

eter

min

atio

n o

f H

ott

est

Spo

t

Tem

per

ature

in D

ry T

ype

Tra

nsf

orm

ers

20

00

12

/31/2

01

1

Ap

pro

ved

Rea

ffir

mat

ion a

pp

rov

e b

y R

evC

om

3/3

0/2

00

6

Pow

ell

(20

2)

38

8-2

33

5

pap

ayn

e@ie

ee.o

rg

P. A

.

C5

7.1

6IE

EE

Sta

ndar

d R

equ

irem

ents

, T

erm

inolo

gy, an

d T

est

Code

for

Dry

-Type

Air

- C

ore

Ser

ies-

Connec

ted

Rea

ctors

19

96

12

/31/2

00

6

Ap

pro

ved

Nee

d r

eaff

irm

atio

n.

Rea

ffir

mat

ion b

allo

t in

itia

ted

10

/18

/200

6.

Du

dle

y

(41

6)

29

8-8

10

8

rich

ard

d@

ca.t

ren

chg

rou

p.c

om

R. F

.

C5

7.9

4IE

EE

Rec

om

men

ded

Pra

ctic

e fo

r In

stal

lati

on,

Ap

pli

cati

on, O

per

atio

n, an

d M

ainte

nan

ce o

f D

ry-T

yp

e

Gen

eral

Purp

ose

Dis

trib

uti

on

and

Po

wer

Tra

nsf

orm

ers

19

82

12

/31/2

00

6

Ap

pro

ved

Rea

ffir

mat

ion p

ack

age

subm

itte

d t

o R

evC

om

10

/17

/20

06

,

pen

din

g r

evie

w a

nd a

ppro

val

in D

ecem

ber

, 2006.

Lew

is

(91

0)

73

8-4

25

1

tlew

is@

acm

epow

er.c

om

T. D

.

Page

5 o

f 12

Pre

pare

d b

y B

. C

hiu



TA

ND

AR

D

PR

OJE

CT

TIT

LE

Pu

b Y

ear

Rev

Du

e D

ate

PA

R I

ssu

e D

ate

PA

R E

xp

irati

on

Sta

nd

ard

Sta

tus

Rem

ark

10

/18

/200

6W

ork

ing G

rou

p C

hair

Em

ail

Ph

on

e

Sub

Co

mm

itte

eD

RY

TY

PE

TR

AN

SF

OR

ME

RS

C.

W.

(27

6)

68

8-1

51

2

char

les.

w.j

ohnso

n@

us.

abb.c

om

Ch

air

Jo

hn

son

, J

r.

C5

7.9

6IE

EE

Gu

ide

for

Load

ing

Dry

Typ

e D

istr

ibu

tio

n a

nd

Pow

er T

ransf

orm

ers

19

99

12

/31/2

00

9

Ap

pro

ved

- A

ctiv

e

Rev

Co

m a

pp

roved

rea

ffir

mat

ion

on

9/2

2/2

00

4

Pre

vio

us

revis

ion i

n 1

994.

Pre

vost

(80

2)

75

1-3

45

8

tpre

vo

st@

ieee

.org

T. A

.

IEE

E 2

59

IEE

E S

tandar

d T

est

Pro

cedure

fo

r E

val

uat

ion

of

Syst

ems

of

Insu

lati

on

fo

r D

ry-T

yp

e S

pec

ialt

y a

nd

Gen

eral

-Pu

rpo

se T

ran

sfo

rmer

s

19

99

12

/31/2

00

9

Ap

pro

ved

9/2

2/0

4 -

Rev

Com

ap

pro

ved

rea

ffir

mat

ion

Sim

pso

n, Jr

.

(60

3)

28

6-4

36

2

bsi

mp

son

@q

uin

-t.c

om

R. W

.

Sub

Co

mm

itte

eH

V C

ON

VE

RT

ER

TR

& R

EA

CT

OR

S

R.

F.

(41

6)

29

8-8

10

8

rich

ard

d@

ca.t

ren

chg

rou

p.c

om

Ch

air

Du

dle

y

C5

7.1

29

PC

57.1

29

IEE

E G

ener

al R

equir

emen

ts a

nd

Tes

t C

od

e fo

r O

il

Imm

erse

d H

VD

C C

on

ver

ter

Tra

nsf

orm

ers

19

99

12

/31/2

00

8

6/2

4/2

004

12

/31

/200

8

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n

PA

R f

or

revis

ion

of

C5

7.1

29-1

99

9 a

pp

rov

ed o

n 6

/23/2

00

4

Du

dle

y

(41

6)

29

8-8

10

8

rich

ard

d@

ca.t

ren

chg

rou

p.c

om

R. F

.

IEE

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27

7

P1

27

7

IEE

E G

ener

al R

equir

emen

ts a

nd

Tes

t C

od

e fo

r D

ry-

Type

and

Oil

-Im

mer

sed

Sm

ooth

ing R

eact

ors

fo

r D

C

Pow

er T

ransm

issi

on

20

00

12

/31/2

00

5

11

/10

/200

5

12

/31

/200

9

Ap

pro

ved

. A

ctiv

e P

AR

for

rev

isio

n

Act

ive

PA

R f

or

revis

ion

.

Du

dle

y

(41

6)

29

8-8

10

8

rich

ard

d@

ca.t

ren

chg

rou

p.c

om

R. F

.

Sub

Co

mm

itte

eIN

ST

RU

ME

NT

TR

AN

SF

OR

ME

RS

J.

E.

(60

1)

34

6-9

10

4

jes1

@ie

ee.o

rgC

hai

rS

mit

h

C5

7.1

3

PC

57.1

3

IEE

E S

tan

dar

d R

equ

irem

ents

fo

r In

stru

men

t

Tra

nsf

orm

ers

19

93

12

/31/2

00

8

12

/10

/200

3

12

/31

/200

7

Ap

pro

ved

- A

ctiv

e P

AR

to

rev

ise

std.

PA

R t

o R

evis

e IE

EE

Std

C57.1

3-1

993

Nel

son

(30

1)

97

5-2

98

6

thom

as.n

elso

n@

nis

t.g

ov

T. N

C5

7.1

3.2

Confo

rman

ce T

est

Pro

cedure

fo

r In

stru

men

t

Tra

nsf

orm

ers

20

05

12

/31/2

01

0

Ap

pro

ved

PA

R t

o R

evis

e S

td C

57

.13.2

-19

91

; h

arm

on

ize

wit

h C

57

.13

-

19

93

D4

ap

pro

ved

by R

evC

om

on 6

/8/2

00

5

Pub

lish

ed 9

/29

/20

05

.

Kh

alin

(85

9)

87

9-2

79

7

vla

dim

ir@

ku

hlm

an.c

om

V. M

.

C5

7.1

3.5

PC

57.1

3.5

Sta

nd

ard

of

Per

form

ance

and T

est

Req

uir

emen

ts f

or

Inst

rum

ent

Tra

nsf

orm

ers

of

a N

om

inal

Syst

em V

olt

age

of

11

5 k

V a

nd

Ab

ov

e

20

06

12

/31/2

00

9

12

/7/2

005

12

/31

/200

9

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n

Ref

eren

ce S

td. 1

40

0

Pre

vio

usl

y C

57.1

3.5

was

a t

rial

use

Up

gra

ded

to F

ull

Use

3/3

0/2

006

Rif

fon

(51

4)

84

0-3

00

0 x

34

24

riff

on.p

ierr

e@h

ydro

.qc.

ca

P.

C5

7.1

3.6

Sta

nd

ard

fo

r H

igh A

ccura

cy I

nst

rum

ent

Tra

nsf

orm

ers

12

/31/2

01

0

Ap

pro

ved

Do

cum

ent

pu

bli

shed

in

Dec

. 2

00

5

Ten

Haa

gen

(60

3)

74

9-8

43

3

chri

s.te

nhaa

gen

@in

dsy

s.ge.

com

C. W

.

Page

6 o

f 12

Pre

pare

d b

y B

. C

hiu



ST

AN

DA

RD

PR

OJE

CT

TIT

LE

Pu

b Y

ear

Rev

Du

e D

ate

PA

R I

ssu

e D

ate

PA

R E

xp

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on

Sta

nd

ard

Sta

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Rem

ark

10

/18

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6W

ork

ing G

rou

p C

hair

Em

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Ph

on

e

Sub

Co

mm

itte

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SU

LA

TIN

G F

LU

IDS

R.

K.

(61

7)

39

3-3

13

3

rlad

rog

a@d

oble

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mC

hai

rL

ad

rog

a

PC

57.1

30

IEE

E T

rial

-Use

Guid

e fo

r th

e U

se o

f D

isso

lved

Gas

An

alysi

s D

uri

ng

Fac

tory

Tem

epra

ture

Ris

e T

ests

for

the

Ev

alu

atio

n o

f O

il-I

mm

erse

d T

ran

sfo

rmer

s an

d

Rea

ctors

1/3

0/2

000

12

/31

/200

7

New

Pro

ject

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td u

nd

er d

evel

op

men

t

New

Pro

ject

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td u

nd

er d

evel

op

men

t -

curr

entl

y u

nder

bal

lot

reso

luti

on

.

PA

R e

xte

nsi

on

req

ues

ted

an

d a

pp

rov

ed t

o 1

2/3

1/2

007

.

Gry

szk

iew

icz

(61

7)

39

3-3

16

1

fran

kjg

@ie

ee.o

rg

F. J.

PC

57.1

39

Guid

e fo

r D

isso

lved

Gas

Anal

ysi

s in

Tra

nsf

orm

er L

oad

Tap

Chan

ger

s

12

/11

/200

2

12

/31

/200

6

New

Pro

ject

- S

td u

nd

er d

evel

op

men

t

PA

R t

o e

xpir

e 1

2/3

1/2

00

6.

Jak

ob

(91

6)

45

5-2

28

4

fjak

ob@

wei

dm

ann-a

cti.

com

F.

PC

57.1

47

Guid

e fo

r A

ccep

tance

an

d M

ain

tenan

ce o

f N

atu

ral

Est

er F

luid

s in

Tra

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orm

ers

12

/10

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3

12

/31

/200

7

New

Pro

ject

- A

ctiv

e P

AR

Std

un

der

dev

elop

men

tM

cSh

ane

(26

2)

52

4-4

59

1

cpm

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pow

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Page

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Page

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19

72

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6

Ap

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Page

9 o

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Pre

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PR

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Pu

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uir

emen

ts f

or

Liq

uid

-Im

mer

sed

Po

wer

Tra

nsf

orm

ers

19

97

6/1

3/2

002

12

/31

/200

8

New

Pro

ject

- S

td u

nd

er d

evel

op

men

t

Form

ally

NE

MA

/AN

SI

do

cum

ent.

PA

R e

xte

nsi

on

req

ues

t gra

nte

d b

y N

esC

om

to

12/3

1/2

00

8.

Art

eag

a

(60

1)4

22

-19

20

jav

ier.

arte

aga@

ieee

.org

J.

PC

57.1

40

Ev

aluat

ion

an

d R

econ

dit

ion

ing

of

Liq

uid

Im

mer

sed

Pow

er T

ran

sform

ers

9/1

6/1

999

12

/31

/200

6

New

Pro

ject

- A

ctiv

e P

AR

Std

un

der

dev

elop

men

t

PA

R e

xte

nsi

on

to

12

/31

/200

6 r

equ

este

d &

ap

pro

ved

.

D1

8 s

ub

mit

ted t

o R

evC

om

on 9

/5/0

6, p

end

ing

rev

iew

an

d

app

rov

al i

n D

ecem

ber

, 2

00

6.

Jam

es

(50

4)

57

6-6

24

6

r.ja

mes

@ie

ee.o

rg

R.I

.

PC

57.1

43

Gu

ide

for

Ap

pli

cati

on

fo

r M

onit

ori

ng

Eq

uip

men

t to

Liq

uid

-Im

mer

sed T

ransf

orm

ers

and C

om

po

nen

ts

3/2

1/2

002

12

/31

/200

6

New

Pro

ject

- A

ctiv

e P

AR

Std

un

der

dev

elop

emn

t

PA

R e

xte

nsi

on

req

ues

ted

an

d d

efer

red t

o D

ecem

ber

, 2

00

6

Boar

d m

eeti

ng.

K. H

anus

to p

rov

ide

guid

ance

to W

G C

hai

rs o

n P

AR

exte

nsi

on a

pp

rov

al r

eques

t.

Chu

(21

2)

46

0-3

45

6

chu

d@

coned

.com

D.

PC

57.1

48

Sta

nd

ard

fo

r C

ontr

ol

Cab

inet

s fo

r P

ow

er T

ransf

orm

ers

2/2

7/2

004

12

/31

/200

7

New

Pro

ject

- A

ctiv

e P

AR

Std

un

der

dev

elop

men

tW

atso

n

(56

1)

69

1-2

20

6

joe_

wat

son

@ie

ee.o

rg

J.D

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PC

57.1

50

Guid

e fo

r th

e T

ransp

ort

atio

n o

f L

arg

e P

ow

er

Tra

nsf

orm

ers

and R

eact

ors

11

/18

/200

4

12

/31

/200

8

New

Pro

ject

- P

AR

appro

ved

in

Nov. 2

004

PA

R a

ppro

ved

by N

esC

om

in N

ov., 2

004

An

der

son

(40

2)

68

0-1

11

1

gw

and

erso

n@

ieee

.org

G. W

.

C5

7.1

16

IEE

E G

uid

e fo

r T

ran

sfo

rmer

s D

irec

tly C

onn

ecte

d t

o

Gen

erat

ors

19

89

12

/31/2

00

6

Ap

pro

ved

Rea

ffir

mat

ion b

allo

t cl

ose

d.

Curr

entl

y i

n c

om

men

t

reso

luti

on

.

Ex

pec

t R

evC

om

su

bm

itta

l b

y 1

0/1

7/0

5.

Ray

mo

nd

(51

8)

88

4-0

29

7

tc.r

aym

on

d@

ieee

.org

T.

C5

7.1

17

IEE

E G

uid

e fo

r R

eport

ing

Fai

lure

Dat

a fo

r P

ow

er

Tra

nsf

orm

ers

and S

hunt

Rea

cto

rs o

n E

lect

ric

Uti

lity

Pow

er S

yst

ems

19

86

12

/31/2

00

6

Ap

pro

ved

Pre

vio

usl

y I

EE

E 7

86

-198

6, o

rig

inal

app

rov

al d

ate

6/1

9/1

98

6

Rea

ffir

mat

ion b

allo

t pool

form

ed. N

eed W

G C

hai

r

Bin

der

, Jr

.

(72

4)

65

4-3

83

9

wb

bin

der

@ao

l.co

mW. B

.

C5

7.1

20

IEE

E L

oss

Ev

alu

atio

n G

uid

e fo

r P

ow

er T

ran

sform

ers

and R

eact

ors

19

91

12

/31/2

01

1

Ap

pro

ved

Ref

Std

. 84

2

M. L

au/

Wes

t C

ost

WG

ass

ign

ed t

o h

ead u

p r

eaff

irm

atio

n a

t

S'0

5 J

ackso

nM

eeti

ng

Rea

ffir

mat

ion a

pp

rov

ed b

y R

evC

om

6/8

/20

06

.

Pre

vio

us

WG

Chai

r/T

ech. C

onta

ct:

Roger

G. Ja

cob

sen n

ot

in

par

tici

pan

t ro

ster

206-8

22-7

628

Lau

(60

4)

52

8-3

20

1

mik

e.la

u@

bch

yd

ro.b

c.ca

M. Y

.

C5

7.1

25

IEE

E G

uid

e fo

r F

ailu

re I

nves

tigat

ion, D

ocu

men

tati

on,

and

An

alysi

s fo

r P

ow

er T

ran

sform

ers

and

Shu

nt

Rea

ctors

19

91

12

/31/2

00

6

Ap

pro

ved

Was

to

be

wit

hd

raw

n i

n D

ec., 2

00

4

Req

ues

ted

ex

ten

sio

n t

o 2

006

- N

eed

dec

isio

n t

o r

eaff

irm

Bin

der

, Jr

.

(72

4)

65

4-3

83

9

wb

bin

der

@ao

l.co

mW. B

.

C5

7.1

31

PC

57.1

31

IEE

E S

tandar

d R

equ

irem

ents

fo

r L

oad

Tap

Chan

ger

s19

95

12

/31/2

00

7

5/1

5/2

003

12

/31

/200

7

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n

PA

R t

o R

evis

e IE

EE

Std

C57.1

31-1

995

Tra

ub

(31

2)

26

6-7

64

7

tptr

aub

@ix

.net

com

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m

T. P

.

Pa

ge

10

of

12

Pre

pare

d b

y B

. C

hiu



ST

AN

DA

RD

PR

OJE

CT

TIT

LE

Pu

b Y

ear

Rev

Du

e D

ate

PA

R I

ssu

e D

ate

PA

R E

xp

irati

on

Sta

nd

ard

Sta

tus

Rem

ark

10

/18

/200

6W

ork

ing G

rou

p C

hair

Em

ail

Ph

on

e

Sub

Co

mm

itte

eP

OW

ER

TR

AN

SF

OR

ME

RS

T.

(60

2)

23

6-8

61

7

tom

.lu

nd

qu

ist@

ieee

.org

Ch

air

Lu

nd

qu

ist

C5

7.1

35

IEE

E G

uid

e fo

r th

e A

ppli

cati

on

, S

pec

ific

atio

n a

nd

Tes

ting o

f P

has

e- S

hif

ting T

ransf

orm

ers

20

01

12

/31/2

00

6

Ap

pro

ved

Ap

pro

ved

fo

r IE

EE

/IE

C D

ual

Logo D

ec. 20

05 -

IE

C 6

2032

Ed

. 1

Nee

d P

AR

fo

r re

vis

ion

McI

ver

70

2-2

27

-23

16

mci

ver

@nev

p.c

om

C5

7.9

3

PC

57.9

3

IEE

E G

uid

e fo

r In

stal

lati

on

of

Liq

uid

-Im

mer

sed

Po

wer

Tra

nsf

orm

ers

19

95

12

/31/2

00

7

6/1

3/2

002

12

/31

/200

7

Ap

pro

ved

- A

ctiv

e P

AR

for

Rev

isio

n

Rev

of

AS

A C

57.9

3-1

958

, IE

EE

Std

C57

.12.1

1-1

98

0, &

C57

.12

.12-1

98

0

PA

R t

o R

evis

e IE

EE

Std

C57.9

3-1

995

PA

R e

xte

nsi

on

req

ues

ted

an

d a

pp

rov

ed t

o 1

2/3

1/2

007

.

Lau

(60

4)

52

8-3

20

1

mik

e.la

u@

bch

yd

ro.b

c.ca

M. Y

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IEE

E 6

38

IEE

E S

tan

dar

d f

or

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alif

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ion

of

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ss 1

E

Tra

nsf

orm

ers

for

Nu

clea

r P

ow

er G

ener

atin

g S

tati

ons

19

92

12

/31/2

01

1

Ap

pro

ved

- A

ctiv

e -

wit

h e

rrat

a d

ated

4/7

/19

99

Rea

ffir

mat

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pp

rov

ed b

y S

A B

oar

d 3

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00

6.

Lu

nd

qu

ist

(60

2)

23

6-8

61

7

tom

.lu

nd

qu

ist@

ieee

.org

T.

Sub

Co

mm

itte

eS

TA

ND

AR

DS

B.

(62

6)

30

8-6

08

6

bil

l.ch

iu@

sce.

com

Ch

air

Ch

iu

C5

7.1

2.0

0IE

EE

Sta

ndar

d G

ener

al R

equir

emen

ts F

or

Liq

uid

-

Imm

erse

d D

istr

ibuti

on, P

ow

er, an

d R

egula

ting

Tra

nsf

orm

ers

20

06

12

/31/2

01

1

Ap

pro

ved

- P

end

ing

Pu

bli

cati

on

D3

appro

ved

by S

A B

oar

d i

n S

epte

mber

, 2006.

Kim

(62

6)

30

2-8

04

9

do

ng

.kim

@sc

e.co

mD.

C5

7.1

2.7

0IE

EE

Sta

nd

ard

Ter

min

al M

ark

ing

s an

d C

on

nec

tio

ns

for

Dis

trib

uti

on a

nd

Po

wer

Tra

nsf

orm

ers

20

00

12

/31/2

01

1

Ap

pro

ved

Rea

ffir

mat

ion a

pp

rov

ed b

y R

evC

om

3/3

0/2

00

6.

Shu

ll

(41

7)

62

5-6

11

0

sshu

ll@

empir

edis

tric

t.co

m

S.

C5

7.1

2.8

0

PC

57.1

2.8

0a

IEE

E S

tan

dar

d T

erm

ino

log

y f

or

Po

wer

an

d D

istr

ibu

tio

n

Tra

nsf

orm

ers

20

02

12

/31/2

00

7

11

/10

/200

5

12

/31

/200

9

Ap

pro

ved

- A

ctiv

e P

AR

for

Am

endm

ent

Am

end

men

t P

AR

ap

pro

ved

to

ad

d t

her

mal

ly u

pg

rad

ed

def

init

ion

Ray

mo

nd

(51

8)

88

4-0

29

7

tc.r

aym

on

d@

ieee

.org

T.

C5

7.1

2.9

0

PC

57.1

2.9

0

IEE

E S

tan

dar

d T

est

Cod

e fo

r L

iquid

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mer

sed

Dis

trib

uti

on, P

ow

er, an

d R

egu

lati

ng

Tra

nsf

orm

ers

20

06

12

/31/2

01

1

Ap

pro

ved

- p

end

ing

pub

lica

tio

n

D3

appro

ved

by S

A B

oar

d 9

/15

/2006

An

tosz

(41

2)

49

8-3

91

6

san

tosz

@ie

ee.o

rg

S.

C5

7.1

44

Gu

ide

for

Met

ric

Con

ver

sio

n o

f T

ransf

orm

er S

tan

dar

ds

20

04

12

/31/2

00

9

Ap

pro

ved

Ols

on

(20

4)

47

4-4

08

0

tols

on

@h

yd

ro.m

b.c

a

T.

IEE

E 6

2IE

EE

Gu

ide

for

Dia

gn

ost

ic F

ield

Tes

ting o

f P

ow

er

Appar

atus

- P

art

1:

Oil

Fil

led P

ow

er T

ransf

orm

ers,

Reg

ula

tors

, an

d R

eact

ors

19

95

12

/31/2

01

0

Ap

pro

ved

Rea

ffir

mat

ion w

as s

ucc

essf

ul.

A

ppro

val

by R

evC

om

on

3/1

9/0

5.

Bin

der

, Jr

.

(72

4)

65

4-3

83

9

wb

bin

der

@ao

l.co

mW. B

.

Pa

ge

11

of

12

Pre

pare

d b

y B

. C

hiu



TA

ND

AR

D

PR

OJE

CT

TIT

LE

Pu

b Y

ear

Rev

Du

e D

ate

PA

R I

ssu

e D

ate

PA

R E

xp

irati

on

Sta

nd

ard

Sta

tus

Rem

ark

10

/18

/200

6W

ork

ing G

rou

p C

hair

Em

ail

Ph

on

e

Sub

Co

mm

itte

eU

ND

ER

GR

OU

ND

TR

& N

W P

RO

TE

CT

C.

G.

(84

7)

68

3-2

14

5

carl

pu

mco

@sb

cglo

bal

.net

Ch

air

Nie

ma

nn

C5

7.1

2.2

3

PC

57.1

2.2

3

IEE

E S

tandar

d f

or

Un

der

gro

und T

ype,

Sel

f-C

oole

d,

Sin

gle

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e D

istr

ibuti

on T

ransf

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ers

wit

h S

epar

able

Insu

late

d H

igh

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ltag

e C

on

nec

tors

; H

igh

Vo

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e

25

kV

and

Bel

ow

; L

ow

Vo

ltag

e 6

00

V a

nd

Bel

ow

20

02

12

/31/2

00

9

3/4

/200

5

12

/31

/200

9

Ap

pro

ved

- A

ctiv

e P

AR

for

rev

isio

n

Pub

lish

ed 8

/8/0

6.

Tra

ut

(85

9)

87

9-2

91

2

alan

t@kuhlm

an.c

omA.

C5

7.1

2.2

4

NO

NE

Req

uir

emen

ts f

or

Tra

nsf

orm

ers

- U

nder

gro

un

d-T

ype,

Thre

e P

has

e D

istr

ibu

tion T

ransf

orm

ers:

Hig

h V

olt

age

(34 5

00 G

rdY

/19 9

20

V a

nd B

elo

w)

and L

ow

Vo

ltag

e

(48

0V

and

Bel

ow

, 25

00

kV

A a

nd

Sm

alle

r

19

94

12

/31/2

00

0

Sta

nd

ard

wit

hdra

wn

in

200

1

Ex

isti

ng s

tan

dar

d w

ithdra

wn

by I

EE

E o

n 1

/15/2

001.

No

long

er e

ndo

rsed

by I

EE

E. N

ew w

ork

ing g

rou

p f

orm

ed t

o

add

ress

rev

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n. N

eed a

n a

pp

roved

PA

R f

rom

IE

EE

SA

Boar

d.

Ter

min

i

(61

0)

94

1-1

52

4

giu

seppe.

term

ini@

pec

o-e

ner

gy.c

om

G.

C5

7.1

2.4

0S

tand

ard

fo

r R

equir

emen

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or

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y N

etw

ork

Tra

nsf

orm

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- S

ub

way

an

d V

ault

Typ

es (

Liq

uid

Imm

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19

93

12

/31/2

01

1

Ap

pro

ved

D4

ap

pro

ved

by R

evC

om

3/3

0/3

00

6.

Sta

nd

ard

Pu

bli

shed

9/1

5/2

00

6.

Kla

po

nsk

i

(20

4)

63

3-7

22

0

bri

an.k

lapo

nsk

i@ca

rte.

ca

B.

C5

7.1

2.4

4

PC

57.1

2.4

4

IEE

E S

tan

dar

d R

equ

irem

ents

fo

r S

eco

nd

ary N

etw

ork

Pro

tect

ors

20

05

12

/31/2

01

0

Ap

pro

ved

- p

end

ing

fin

al p

ub

lica

tio

n

PC

57

.12

.44/D

2.1

ap

pro

ved

by R

evC

om

in

Dec

emb

er 2

005

.

Pub

lish

ed 6

/07

/20

06

Pre

vio

us

rev

isio

n i

n 2

00

0.

Mulk

ey

(41

5)

97

3-4

69

9

DH

M3

@P

GE

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MD. H

.

C5

7.1

2.5

7

NO

NE

Req

uir

emen

ts f

or

Ven

tila

ted

Dry

-Typ

e N

etw

ork

Tra

nsf

orm

ers

250

0 k

VA

and B

elo

w, T

hre

e-P

has

e w

ith

Hig

h V

olt

age

34

500

Vo

ltas

an

d B

elow

, L

ow

Vo

ltag

e

21

6Y

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5 a

nd

48

0Y

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5 V

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s

19

92

12

/31/2

00

0

Sta

nd

ard

wit

hdra

wn

in

200

1

Ex

isti

ng s

tan

dar

d w

ithdra

wn

by I

EE

E o

n 1

/15/2

001.

No

long

er e

ndo

rsed

by I

EE

E. N

ew w

ork

ing g

rou

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100

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C57

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C57

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C57

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C57

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C57

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C57

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C57

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C57

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Dis

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C57

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C57

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C57

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C57

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Rev

. 10/

2006

PC

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2.00

S. S

nyde

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PC

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57.1

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on

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ross

Ref

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. Bec

kman

IEEE / PES Transformers Committee · 2008. 2. 5. · IEEE/PES Transformers Committee Main Minutes Page - 2 Fall 2006 The Minutes of the IEEE/PES Transformers Committee Meeting held

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