Baldor Adjustable Speed Direct Drive Cooling Tower Motor ... · further adding to the simplicity of our Adjustable Speed Direct Drive Cooling Tower Motor and Drive System. When system

Baldor Adjustable Speed Direct Drive Cooling Tower Motor and Drive System

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Adjustable Speed Direct Drive Cooling Tower System

New Direct Drive Technology – Improves Reliability, Reduces Maintenance, Runs Quieter & Saves EnergyBycombiningthetechnologiesofthefieldprovenandpowerdenseAClaminatedframeRPMACmotorwithhighperformancepermanentmagnet(PM)salientpolerotordesignsandthematchedperformanceofanadjustablespeeddrive,BaldorElectriccanofferhightorquedirectdrivemotorsforcoolingtowerapplicationswithallthebenefitsofvariablespeedcontrolandeliminatingthecostandmaintenancerequiredfortraditionalgearboxorbeltedsolutions.ThefancouplesdirectlytothemotorandiscontrolledbyauniqueACdrivetoprovideoptimalspeedandcoolingtowerperformancethatrunsquieterwithreducedenergyconsumption.ThedriveisdesignedtoaccommodatethemostcommonHVACcommunicationprotocols.

Direct Drive RPM AC Synchronous PM Motor Reduces Maintenance CostTheRPMAC™synchronousPMmotoruseslaminatedfinnedframeconstructiontoprovideahighlyefficientpowerdensepackagewithflangemountingdimensionsthatcanreplacetherightanglegearboxandjackshaftinstallationinmanyconventionalcoolingtowers.Thissametechnologyisofferedinconventional,yetpowerdense,footmounteddesignsthatcanreplacethebeltandsheaveapplicationwheremoreverticalmountingspaceisavailable.Derivedfromoneofthetoughestmotorplatformsusedinthemostdemandingindustrialapplications,theRPMACmotoristherightsolutionforoperationinsidethetower’shotandhumidenvironment.TheTEAO(totallyenclosedairover)RPMACcoolingtowermotorisdesignedforminimalmaintenance.Bearingsrequirelubricationonlyonceperyear.WateringressalongtheshaftispreventedwiththeuseofanInpro/Seal®bearingisolatorandaslinger.TheelectricalinsulationsystemismanufacturedusingaVPI(vacuumpressureimpregnation)processthatensureslongmotorlifeeveninthemostextremeenvironmentalconditions.Condensationdrainsrelieveanymoisturethatmaycollectinsidethemotor.Nomorechanginggearoil,lubricatingpillowblockbearingsorchangingoutbelts.

Baldor VS1CTD PM Cooling Tower DriveTheBaldorVS1CTDintegratescustomfeaturesthathavebeendesignedexclusivelyforthecoolingtowerindustry.TheVS1CTDutilizesourMatchedPerformancephilosophytopaireachRPMACPMmotorwithaspecificcontrol.CriticalmotoroperationalparametersareintegratedrightintotheVS1CTDfirmwaretoprovidesimplifiedCoolingTowerstartups,eliminatingtheneedforuserstoentercomplexinformationintothecontrolortheneedtotunethecontroltothemotorpriortooperation.SincetheVS1CTDistargetedforuseinthecoolingtowermarket,muchofthecomplexitythattypicallyresidesingeneralpurposecontrolshasbeeneliminatedfurtheraddingtothesimplicityofourAdjustableSpeedDirectDriveCoolingTowerMotorandDriveSystem.

Whensystemautomationandcontrolisarequirementforyourcoolingtoweroperation,theBaldordrivereadilycommunicateswithmultiplecommunicationnetworksincludingMODBUS-RTU,MODBUS/TCP,LonWorks,Metasys-N2,BACnet,EtherNet/IP,DeviceNetandPROFIBUS.

Field Tested ReliabilityAfterextensiveLabtestingatBaldor’sfacility,motoranddrivesystemshavebeeninstalledandfieldtestedforaslongasthreeyears.OnesystemisrunningunderacontrolledenvironmentononeoftwoidenticalcoolingtowersatClemsonUniversity.BothtowerswereinstrumentedandthetraditionalgearedsystemwascomparedtotheoneconvertedtouseBaldor’sAdjustableSpeedDirectDriveMotorandDriveSystem.Eachtowerhadthesame5blade18footdiameterfan.Theconversionwasmadeinlessthanaday.Performanceresults,whichwereverifiedbyathirdparty,measuredaninputkWpowersavingsof11.8%comparedtoatraditionalgearedsystem,withhighspeednoisereductionfrom82.3dBAto74.4dBAandreducedvibration.

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RPM AC Direct Drive Cooling Tower Features & Benefits

Direct Drive Motor •Eliminatestheneedforagearbox,jackshaft,pillowblockbearingsandcouplings •Reducesmaintenanceandprovidesimprovedreliability •Eliminatescoolingwatercontaminationbyeliminatinggearboxoilandleakage •Reducespowerconsumption •Resultsinincreasedsafetybecausetherearefewermechanicalcomponents •Water-tightmotordesignoperatesintheairstream •Eliminatesthealignmentofmechanicalcomponentsforquickerinstallationandreducedinstallationcosts

Bearings and Seals •OversizedtomaintainlongerbearinglifeexceedingL-10100,000hours •Greaselubricatedforlonglife •Handlesfanloadswithimprovedreliability •ProvenInpro/Seal®bearingisolatorwithslingerumbrellaoverseal •Onlyoneingresspoint •InsulatedoppositedriveendbearingonFL440andFL5800

Adjustable Speed Control •DesignedspecificallyfortheCoolingTowerIndustryandcanbesetattheoptimumspeedpoint •SensorlessPermanentMagnetmotorcontroloperateswithoutanencoderorresolver •Trickleheatingeliminatesneedformotorspaceheaters •NotuningisrequiredduetotheMatchedPerformanceofthemotorandcontrol •Allowsforasoftstart(controlledramp) •Savesenergyandreducesmechanicalstressonthesystem •Improvessystemreliabilityandextendslife •Reducesnoise •Allowsforoptimizedreturnwatercoolingtemperatureforoptimizedcompressoroperation •Tricklecurrentforbrakingpreventsfanwindmillingwhennotinoperation •Systemresonancespeedscanbebypassed

Communication Protocols •UtilizesMODBUS-RTU,MODBUS/TCP,EtherNet/IP,LonWorks,Metasys-N2,BACnet,DeviceNetorPROFIBUSprotocols •Interfaceswithexistingbuildingautomationsystems

MATCHED

PE

RF O R M A N C E

®

Retrofit or New Tower DesignsRPMACcoolingtowermotorsareavailableineitherflangemountorfootmountdesignsformountingintheairstream.Theflangemountunitsaredesignedtobeinterchangeablewithmanypopulargearboxboltholemountingconfigurations.Shaftheight,diameterandflangemountingdimensionscanbedirectlyinterchangeablewithsomeexistingcoolingtowergearboxdesigns.Highermotortorqueratingsareavailableusingtallermotorswhenspaceisavailable.Inaddition,traditionalfootmountconstructionisavailable.BothflangeandfootmountdesignsareavailableinawidetorquerangeinframesizesFL250,FL280,FL440andFL5800.

A typical conventional fan drive arrangement of a gearbox mounted under the fan.

Baldor’s Direct Drive motor eliminates many components of a right angle geared system.

Conventional Tower Design New Direct Drive Tower Design

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RPM AC Cooling Tower Motor and Drive Specifications

Motor

Motor Frame Size

Max. Torque (lb. ft.)

Min. Re-quired Air Velocity (ft/min)

Aprox. Wgt. (lb)

*Est. Motor Height

“M” (in.)

Catalog Number

FL2554 90

500

375 15 Custom

FL2562 155 440 17 Custom

FL2570 215 515 19 Custom

FL2578 290 590 21 Custom

FL2873 305

750

610 19 Custom

FL2882 415 705 21 Custom

FL2890 510 790 23 Custom

FL2898 590 860 25 Custom

FL4472 500

750

1154 18 Custom

FL4477 720 1290 19 Custom

FL4485 1050 1515 21 Custom

FL4493 1375 1730 23 Custom

FL4402 1820 1980 25 Custom

FL4413 1275 2290 28 Custom

FL4421 2740 2510 30 Custom

FL4429 3050 2730 32 Custom

FL4440 3520 3035 35 Custom

FL5816 4744

750

5445 37 Custom

FL5818 5400 5880 39 Custom

FL5820 6058 6315 41 Custom

FL5822 6715 6750 43 Custom

FL5824 7372 7185 45 Custom

FL5826 8029 7620 47 Custom

FL5828 8686 8055 49 Custom

FL5830 9343 8490 51 Custom

FL5832 10000 8925 53 Custom

Selectmotorframesizeasdeterminedbyrequiredfantorque.FanTorque=(HP*5252)/FanSpeed.UseexistingmotorHPandfanspeedtocalculaterequiredtorque.

DriveMax. Amps HP Frame Catalog

Number

240 Vac

19.4 5 AA VS1CTD25-1B

19.4 7.5 AA VS1CTD27-1B

37.0 10 B VS1CTD210-1B

47.5 15 B VS1CTD215-1B

59.8 20 B VS1CTD220-1B

70.4 25 C VS1CTD225-1B

91.5 30 C VS1CTD230-1B

91.5 40 C VS1CTD240-1B

147.5 50 D VS1CTD250-1B

147.5 60 D VS1CTD260-1B

480Vac

11.9 10 AA VS1CTD410-1B

23.0 15 B VS1CTD415-1B

28.9 20 B VS1CTD420-1B

34.0 25 B VS1CTD425-1B

44.2 30 C VS1CTD430-1B

55.3 40 C VS1CTD440-1B

65.5 50 C VS1CTD450-1B

90.8 60 D VS1CTD460-1B

116.6 75 D VS1CTD475-1B

136.3 100 D VS1CTD4100-1B

143.8 125 D VS1CTD4125-1B

204.0 150 E VS1CTD4150-1T

256.7 200 E VS1CTD4200-1T

600Vac

9.4 10 AA VS1CTD510-1B

18.7 15 B VS1CTD515-1B

23.0 20 B VS1CTD520-1B

27.2 25 B VS1CTD525-1B

33.6 30 C VS1CTD530-1B

42.6 40 C VS1CTD540-1B

50.8 50 C VS1CTD550-1B

72.8 60 D VS1CTD560-1B

93.1 75 D VS1CTD575-1B

117.5 100 D VS1CTD5100-1B

132.8 125 D VS1CTD5125-1B

173.6 150 E VS1CTD5150-1T

218.8 200 E VS1CTD5200-1T

Selectdrivebaseduponmotorfullloadamps.ForlineandloadreactorsseetheBaldor501catalog.

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RPM AC Cooling Tower Motor DimensionsSelectmotorframesizebaseduponrequiredfantorque

Min.

Max.

4 holes on“X” B.C.

4 holes on“Y” B.C.

ShaftLength

UsableShaft

Length

Length“M”

“U” Diam.

FL Family

Motor Frame Size

* Typical Shaft Length

Usable Shaft Length

* Typical Shaft Dia. “U”

“X” Min.Bolt Circle (in.)

“Y” Max.Bolt Circle (in.)

Number of holes per bolt

circle

FL25XX 8.5 6.94 1.999 14 16 4

FL28XX 8.0,8.5 5.75,6.25 2.374 15-16Slot 20 4

FL44XX 8.5,9.0,9.5 6.38,6.88,7.38 2.999 22 25 4

FL58XX 12.0 6.88,11.75 4.999 – 34 8*Shaftlengthanddiametercanvarybyapplicationrequirements.Taperedshaftsarealsoavailable.Typicaltaperis1/2”perfoot.Specialnon-standardshaftrequirementsmustbedefinedontheorder.

Motor Features• Mountingpadforvibrationsensor• Thermostatsoneperphasenormallyclosed• Heavybuildexternalcoatings• ProvenInpro/Seal®bearingisolatorwithslingerumbrellaoverseal• Proveninsulationsystemtechnologyusedinoff-shore drillingapplications

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Adjustable Speed Drive Cooling Tower DimensionsSelectdriveratingandframesizebaseduponmotorfullloadamps

Dim n es (mm) ensio s inch

gnitn ediOig

uts MouWe ht

Size

Height W h (B D Wi 1) (k(A) idt ) epth (C) Height (A1) dth (B lb g)

AA 12.27 (3 202 8. 8) 5 (2 7. ) 11) 7. (97 ) 21 (20 11.7 98) 38 (187 20 (9.1)

B 18.00 (4 31 9. 5 (4 7.00 (178) (157) 9.10 (2 ) 75 (248) 17.2 38) 30 3.6)

C 22.00 (5 231 9. 5 (5 7.00 (178) (259) 9.10 ( ) 75 (248) 21.2 40) 60 7.2)

D 28.00 (7 1 (292 13. 30) 25 (6 9.50 (241) 0 (511) 1.50 ) 00 (3 27. 92) 12 4.4)

E 42.81 (1 1 (47 16. 07) 75 (1087) 8.75 6) 05 (4 39. 010) 15. (175 (400) 250 13.4)

0.25(6.35)dia.

Exhaust

0.25(6.35) dia.

B1

A1

A

B1

A1

A

0.35 (8.9)

B C

0.35(8.9) Exhaust

B C

# HolesSize

AA 4 0.870 (22)

Diameterinches (mm)

# Holes Diameterinches (mm)Size

B

C

D

33333211

1.115 (28.3)1.362 (34.6)

1.680 (42)

2.470 (62.7)1.362 (34.60.500 (12.7)

E

1.115 (28.3)

1.115 (28.3)

1.115 (28.3)4.000 (102)1.680 (43)0.500 (12.7)

3211

Size AA

Sizes B, C, D and E

FrameSize

Dimensions inches (mm)Weightlb (kg)Outside Mounting

Height (A) Width (B) Depth (C) Height (A1) Width (B)

AA 12.27(311) 7.97(202) 8.21(208) 11.75(298) 7.38(187) 20(9.1)

B 18(457) 9.10(231) 9.75(248) 17.25(438) 7.00(178) 30(13.6)

C 22(559) 9.10(231) 9.75(248) 21.25(540) 7.00(178) 60(27.2)

D 28(711) 11.50(292) 13.00(330) 27.25(692) 9.50(241) 120(54.4)

E 42.81(1087) 18.75(476) 16.06(407) 39.75(1010) 15.75(400) 250(113.4)

CustomenclosuresincludingNEMA4Xareavilable

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Easy Field InstallationBelowisamotorfanassemblybeingloweredintoposition.

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Baldor Cooling Tower Motor RFQCompany Name: Project:

Fan Diameter (ft.) ____________________________ Air Flow (cfm) ___________________________

Fan Speed (RPM) ____________________________ Ambient Temp. __________________________

Existing Motor Hp ____________________________ Static Pressure (inches of H20) _______________

Fan Shaft Hp ____________________________ ___ Air Density (lb/ft3) ________________________(This is normally an odd number ex: 42.3 Hp based on operating conditions)

Voltage Required ____________________________ Fan mfq P/N ____________________________

Height Restrictions_________YES / NO ___________ No. Fan Blades __________________________

“A” inches _________________________________ If Yes, please give maximum height from motor to mounting plate to shaft extension (see diagram - “A” dimension)

Match Existing Bolt Hole Pattern?____YES / NO _____

If Yes, please give existing Bolt Hole Pattern ________________________________________________

Air Velocity in Region of Motor (ft/min) _____________________________________________________(shaded area shown below)

If retrofit…

Gearbox Manufacturer_______________________________

Gearbox Model No.__________________________________

The Baldor Solution requires a Baldor CTPM VFD

Approximate distance from motor to VFD location _______ Feet

Drive location: Control Room __________ Outside: __________

Fan Shaft Diameter (in.) Keyway (in.)

1.999” ± .0005” 1/2” x 1/4”

2.374” ± .0005” 5/8” x 5/16”

2.624” ± .0005” 5/8” x 5/16”

2.999” ± .0005” 3/4” x 3/8”

Other Shaft Dia. Requirements

Required information to quote properlyQuestions regarding above information Please contact your local Baldor District Office

6”fromMotor/Gearbox

AirFlow “A”Small end dia “B” _________________________Large end dia “C” _________________________Length of taper “L1” _______________________Length of exposed shaft “L2”_________________Keyway size “F” __________________________Shaft end drilled & tapped hole “D” ____________

B

C

D

L1

L2

F

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98

97

96

95

94

93

92

Energy Ef�cient Premium Ef�ciency® PM

% E

FFIC

IEN

CY

0 20 40 60 80 100 120

% LOAD

AnotherimportantaspectofthePMmotordesignversusatraditionalinductionmotorisitsabilitytomaintainhighefficiencyperformancewhenoperatingunderlowloadconditionswhicharetypicalforvariablespeedfanapplications.

V*S Control Provides Optimized Cooling Tower Performance and Energy Savings Even Under Low Load ConditionsByoptimizingmotorspeedconsiderableenergycanbesaved.Theentirecoolingtowersystemmustbedesignedforthe“WorstCase”(orhighestairflow)scenario.Foroptimumsystemperformancethefanmayneedtooperateatreducedspeed.

Asthespeedofthemotorisdecreased,theairflowdropsinacorrespondinglinearfashion.So,forexample,ifthemotorrunsatonly50%speed,theairflowiscorrespondinglyreducedto50%ofmaximumairflow.However,theinputpowertothemotorvarieswiththecubeofthemotorspeed.Forexample,ifamotorisrunathalf-speed,thepowerconsumedbythemotoris12.5%or1/8[i.e.(½)3]ofthepowerconsumedatfullspeed.So,iftheneededairflowcanbeachievedbyrunningathalf-speed,itispossibletosavealargeamountofenergy(seeenergychartbelow).

Adjustable Speed Saves Energy

Permanent Magnet Maintain Efficiency Over Wide Load Range

0 20 40 60 80 100

100

80

60

40

20

0

% RPM

% In

put

Pow

er

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Why Baldor?

Fornearly100years,Baldorhasstrivedtoprovidecustomerswiththebestvalueandreliabilityinindustrialelectricmotors.ThatdedicationshowsincustomerpreferenceforBaldor•Reliancemotors.Tobeconsideredasthemostpreferred...

Baldor offers the industry’s broadest line of stock products. SavevaluabletimewithjustonecalltoBaldor.Weoffermorethan10,000stockmotors,drives,gearboxes,bearingsandPTcomponents.

Energy-efficiency leader. Baldorbeganloweringtheenergyconsumptionofourmotorsinthe1920’s,longbeforeotherswereeventalkingaboutit.Today,Baldor’sexpansivelineofPremiumEfficiencymotorsextendsfrom1through15,000Hp.Baldor’smotorsoffercustomersthehighestoverallefficiencylevelsintheindustry,includingBaldor•RelianceSuper-E®(1through500Hp)motorsthatexceedNEMAPremium®efficiencies.

Baldorcontinuallylooksforapplicationswhereimprovementsinenergyefficiencyispossible.ByreplacingconventionalcoolingtowerfandrivesystemswithBaldor’sadjustablespeeddirectdrivemotoranddrivesystem,significantimprovementsinenergyefficiencyarepossible.

Baldor products are available at more locations than any other brand. Our35districtofficesacrossNorthAmericaandofficesaroundtheworld,offerimmediateandlocalavailabilityofBaldorproductstothousandsofcustomers.

Continuous innovation to improve reliability. Baldorleadsthemotorindustryinapplyingnewtechnologiestoimprovemotorreliability.RecentimprovementstothelineofSevereDutymotorsarefurtherproofthatBaldoristheleaderinmotorsforprocessindustryapplications.Theseimprovementsareexplainedindetailinthefollowingpages.

Industry’s shortest lead times/Flexible manufacturing. Baldorhastheindustry’sshortestleadtimesoncustommotors.OuruniqueLEANFLEXFLOW™manufacturingprocessletsusproduceanyorderinanyquantity,quicklyandefficiently.

Industry’s best information. OnlyBaldorofferscustomerssomanychoicesforproductinformationwithawidevarietyofcatalogsandproductbrochures,theBaldorWebsiteatwww.baldor.com,oryoumaytalktoaBaldorcustomerservicepersonatoneofoursalesoffices.

94%2003

20%1985

50%1990

90%2000

95.5%2007

Customer Preference

The percentages shown reflect results of studies conducted in which Baldor was chosen as “most preferred”

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Leadership in Premium Efficiency Calleda“keybreakthrough”bytheConsortiumforEnergyEfficiency,theCEEin1998recognizedBaldor’sSuper-Easthefirstpremiumefficientmotorlinetomeettheirstringentefficiencycriteria,citing“Forthefirsttime,onemanufacturerwillcarryallqualifyingproducts.”

MinimumEfficiencyPerformanceStandards(MEPS)forelectricmotorsarebecomingcommonplacethroughouttheworld.ThefirstofthesewastheEnergyPolicyActof1992(EPAct)thatmandatedefficiencylevelsfor1-200HpgeneralpurposemotorsforsaleintheU.S.afterOctober1997.TheEnergyIndependenceandSecurityActof2007(EISA)buildsuponEPActandraisestheefficiencylevelforthesemotorstoNEMAPremium®efficiencyaddsotherconfigurationsand201-500HpratingsforMEPScompliance.Baldor•RelianceSuper-EmotorsmanufacturedtodaymeetorexceedEISArequirements.

Ascountriesandregionsacrosstheworldestablishminimumefficiencylevelsformotors,morecompaniesareturningtotheBaldor•RelianceSuper-E.Thisincludesplantandprocessingapplications,aswellasOEMproductsforshipmentoverseas.Super-EmotorsmeetorexceedtheefficiencylevelsdefinedbyNEMAPremium®,EPActintheU.S.,NRCinCanada.CEMEPEFF1inEurope,andthenewIE3levelofIEC60034-30.

Awideselectionofpremiumefficientmotors,availablefromstock,manufacturedandsoldbyacompanycommittedtobuildingbetterproductsforindustriesworldwide.Nowonder,sincethe1920s,Baldor•Relianceisrecognizedastheleaderinenergyefficientindustrialmotorsanddrives.

Making Energy Efficiency Work For YouWhy is Energy Efficiency Important?Electricmotor-drivensystemsusedinindustrialprocessesconsume63%ofallelectricityusedinU.S.industrialsectoraccordingtoaU.S.DepartmentofEnergyreportpublishedin1998.A2002reportshowsthatcompaniesthatpracticedDOE“bestpractices”actuallyaveraged33percentsavingsiftheyweretoapplymotorandmotorsystemefficiencyupgrades,includingtheuseofadjustablespeeddrives.Thepotentialpositiveimpactsoncompanies’bottomlinesandtheenvironmentaresignificant.

Purchase Price is Only a Small Piece of the PieThepiecharttotherightshowsthetypicallifecyclecostofa100Hpmotoroperatingincontinuousdutyovera20-yearlife.Asyoucansee,theoriginalpurchasepriceisalmostinsignificantcomparedtowhatitwillcosttopowerthemotorduringitsusefullife.

How Baldor Super-E® Efficiencies Compare to Industry StandardsBaldor’slineofSuper-Emotorsofferscustomersthehighestlevelofoverallefficienciesavailablefromanymotormanufacturer,meetingorexceedingNEMAPremium®efficiency.

BE$T® Baldor Energy Savings Tool Makes Calculating Payback EasyInordertomakepaybackcalculationseasierforcustomers,BaldordevelopedBE$T,BaldorEnergySavingsTool.Thesoftwarehelpscalculateenergycostandenergysavingsformotors,aswellaspaybacktimeframes.ApopularfeatureofBE$Tisthatitallowsuserstomakehead-to-headcomparisonsofuptothreemotors,givingcustomerstheinformationtomakeaninformeddecisionthroughcomparativeanalysis.

BE$T,BaldorEnergySavingsToolisavailableasadownloadthroughBaldor’saward-winningWebsite(www.baldor.com/support/software_BEST.asp,)aswellasastand-aloneCD-ROM,availablefromyourBaldorDistrictOffice.

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$1500

Electric Motor Efficiency Ratings

What is Higher Efficiency Worth?

A Baldor Super-E motor and Inverter Control provide premium energy efficiency and improved process control to a municipal water treatment facility.

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Ph: (479) 646-4711 • Fax (479) 648-5792 • International Fax (479) 648-5895 • www.baldor.com

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