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Ti u ha hiu qu s dng nnglng trn cc ng dy trn
khng
Gii thiu v cng ngh dy dn miAluminum Composite Core
Conductors(ACCC)
Ths.Nguyn Ngc TngTrng phng Thit b in, Cng ty TNHH pht trin k
thut VN
Thnh ph HCM 12/2010VTD Co. Ltd.,
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Qu trnh pht trin cng ngh dy dn
ACSR Lion238mm2
1.
2.
3.
GAP265mm2
ACSS Hen242 mm2
AAAC Upas362mm2
Invar reinforcede.g.: 225 mm2
ACCR322mm2
4.
So snh da trn s tngng v trng lng/ lc
cng ca cc loi dy(~1.000 Kg/1 Km)
(Al 305 mm2)
Cng nghtruyn thng
ACSR
Mc ch l ti a ha vt lius dng gim tn tht
Tuy nhin hp kimthng km hiu qu
Nhit cao cngvi vng thp
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Cc vn phi tnh n vi dy dnnhit cao
Gim lc cng Nhm hay hp kim nhm u mm nhit cao
Tng vng Tng t nh trn nhm lm tng vng v ko im
un ca dy thp xung, Tng tn hao in nng
Tn hao I2r s tng t l thun vi nhit
c tnh ca nhm t ra 3 hn ch khi s dng dynhm nhit cao
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ACSS :486 mm2 (959.6 kcmil)1,960 Kg/km
ACCC Drake:516.9mm2 (1020 kcmil )1,558 Kg/km
ACSR Drake:403 mm2 (795 kcmil)1,627 Kg/km
Dy tit dinhnh thang lm
tng tit din
Dy li Composite
V c bn vic tng tnh dn in cn n t vic tng titdin mt ct ngang ng
ngha vi vic tng vt liu dn in
Dy hnh thang
Tng mt ct ca nhm
ng ngha tng tnh dnin
Dy li composite
Ci thin lc cng do nh vchc chn hn dy thp
Tng tnh dn in li nhhn dy thp, cho php tng28% lng nhm so vi
dyACSR
Gim ti a vng trnng dy
Mc tiu s 1 l kh nng dn in
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Dy dn li bng si cacbon- Dy dn bng li composite gia cng L gii php
c bit n t lu Mt vi nghin cu v s dng li si cacbon nhng khng
thnh cng Mt s vn chnh: S khng tng thch/ phn ng n mn gia li si
carbon
v lp v nhm Tnh km bn vng ca si carbon lm cho n thng b v
nt khi ni Gii thiu mt gii php u tin c bng sng ch
05/ 2004
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M t dy dn ACCC
Tng 28% lng nhm = Tng cng sut, gim tn hao, nhit thp vng chc tng
25% & nh hn 60% so vi dy ACSR lm gim s lng v
vt liu khi thit k ct H s gin n nhit thp = gim vng khi lm vic
nhit cao
Thit k dy ACCC s dng : Mt lp si thy tinh bov bn ngoi carbon bov
n khi n mn; v Sng to ra kiu ni bov composite khi lp t
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S kt hp cc u im
ACSR Lion238mm2
AAAC Upas362mm2Al 305 mm2
ACSS Hen242mm2
1.
2.
3.
GAP265mm2
Steel reinforcedVarious mm2
ACCR322mm2
4. ACCC 360 mm2Al 381 mm2
Dy nhit cao vi vng thp
Ti a vt liudn in
gim tn tht
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Bng so snh cc loi dyACSRLion
ACSSHen
INVARHen
GAP265
ACCR636-T16
AAACUpas
ACCC 380Amsterdam
Area of Al (mm2) 238 242 225 265 322 362 369
Outside Diameter (mm) 22.30 22.43 21.21 22.61 25.15 24.71
23.55
Weight (kg/km) 1,095 1,111 1,190 1,095 1,068 1,000 1,085
RTS (kN) 100 93 110 108 112 105 110
AC-Resistance at 75oC (ohms/km) 0.1448 0.1391 0.1482 0.1358
0.1048 0.1096 0.0930
Gross Power @1000 Amps (MW) 381 381 381 381 381 381 381
Loss Power @1000 Amps (MW) 30.4 29.7 32.5 28.5 20.2 21.2
17.6
Net Power @1000 Amps (MW) 351 351 349 353 361 360 363
Conductor Temp @1000 Amps (oC) 133 130 142 126 96 100 90
Initial Tension @15oC (kN) 20.1 18.7 22 21.5 22.3 20.9 24.4
Current (ampacity) @75oC 695 710 678 721 844 821 881
Current (ampacity) @100oC 846 860 821 873 1,057 1,001 1,067
Current (ampacity) @175oC 1159 1,165 1,112 1,186 1,394 1376
1,466
Sag: 400m span @ 20% RTS@1000A (m) 14.32 14.51 12.07 13.75 11.93
13.72 9.84
Sag: 400m span @ 20% RTS@75oC (m) 13.12 13.38 11.60 12.26 11.67
12.55 9.80
Sag: 400m span @ 20% RTS@100oC (m) 13.65 13.90 11.77 13.13 11.97
13.73 9.86
Sag: 400m span @ 20% RTS@175oC (m) 15.15 15.39 12.29 14.70 12.85
16.90 10.03Test Condition: Length=60km, 1 circuit, Voltage=220kv ,
Ambient Temp=20oC, Stringing Temp=15oC, wind speed=0.60m/sec,
elevation=50m, Latitude=48 oN, Azimuth=E-W,
absorptivity=0.6,emissitivity=0.6
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So snh vng
C s kho st l dy Drake, test ti 1600 amps, khong ct 70 m
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So snh vng gia dy ACSR v ACCC
1. Cng ng knh v trng lng (ACCC Drake v ACSR)
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So snh vng gia dy ACSR v ACCC
2. Cng dng in nh mc (ACCC drake v ACSR Curlew)
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So snh hiu quTARGET CURRENT = 750 Amps
Type Size(mm2)R-AC @ 75oC
Ohms/kmTemp (oC) @target current
GrossPower(MW)
PowerLoss(MW)
NetPower(MW)
Cost of Lossesover 1 year ($M)
Cost of notusing ACCC 1
year ($M)
ACSR Lion 238 0.01448 83 286 15.0 271 6.57 $2.63
ACSS Hen 242 0.13911 81 286 14.4 272 6.31 $2.37
Invar Hen 225 0.14822 87 286 15.6 270 6.83 $2.89
GAP 265 265 0.13579 79 286 13.9 272 6.09 $2.15
AAAC Upas 362 0.10963 67 286 10.8 275 4.73 $0.79
ACCC 380 369 0.09298 61 286 9.0 277 3.94 $0.00
TARGET CURRENT = 1,350 Amps
Type Size(mm2)R-AC @ 75oC
Ohms/kmTemp (oC) @target current
GrossPower(MW)
PowerLoss(MW)
NetPower(MW)
Cost of Lossesover 1 yr ($M)
Cost of not usingACCC 1 year ($M)
ACSR Lion 238 0.01448 236 514 69.7 444 30.53 $13.67
ACSS Hen 242 0.13911 236 514 70.3 444 30.79 $13.93
Invar Hen 225 0.14822 259 514 77.8 436 34.08 $17.21
GAP 265 265 0.13579 265 514 66.6 447 29.17 $12.31
AAAC Upas 362 0.10963 169 514 45.8 468 20.06 $3.20
ACCC 380 369 0.09298 153 514 38.5 476 16.86 $0.00
Test Condition: Length=60km, 1 circuit, Voltage=220kv, Ambient
Temp=20oC, Stringing Temp=15oC, wind speed=0.60m/sec,elevation=50m,
Latitude=48 oN, Azimuth=E-W, absorptivity=0.6, emissitivity=0.6
Generation cost assumption ($/kwh) $0.10
Usage Loading at (% of target current): 50%
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10000
12500
15000
17500
20000
40 60 80 100 120 140
D bo tui th (nm)
Lc
tc
ng
(lbf
)
Baseline Temperature10% Increase in Temperature20% Increase in
Temperature
nh gi tui th
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Cc th nghim i vi dy ACCCTh nghim li:
2.1.1 Tensile Testing2.1.2 Flexural, Bending & Shear
Tests2.1.3 Sustained Load Tests2.1.4 Tg Tests2.1.5 CTE
Measurements2.1.6 Shear Testing2.1.7 Impact and Crush Testing2.1.8
Torsion Testing2.1.9 Notched Degradation Testing2.1.10 Moisture
Resistance Testing2.1.11 Long Term Thermal Testing2.1.12 Sustained
Load Thermal Testing2.1.13 Cyclic Thermal Testing2.1.14 Specific
Heat Capacity Testing2.1.15 High Temperature Short Duration2.1.16
High Temperature Core Testing2.1.17 Thermal Oxidation Testing2.1.18
Brittle Fracture Testing2.1.19 UV Testing2.1.20 Salt Fog Exposure
Tests2.1.21 Creep Tests2.1.22 Stress Strain Testing2.1.24
Micrographic Analysis2.1.25 Dye Penetrant Testing2.1.26 High
Temperature Shear Testing2.1.27 Low Temperature Shear Testing
Th nghim c kh:
2.2.28 Stress Strain Testing2.2.29 Creep Testing2.2.30 Aeolian
Vibration Testing2.2.31 Galloping Tests2.2.32 Self Damping
Tests2.2.33 Radial Impact and Crush Tests2.2.34 Turning Angle
Tests2.2.35 Torsion Tests2.2.36 High Temperature Sag Tests2.2.37
High Temperature Sustained Load2.2.38 High Temperature Cyclic Load
Tests2.2.39 Cyclic Ice Load Tests2.2.40 Sheave Wheel Tests2.2.41
Ultimate Strength Tests2.2.42 Cyclic Thermo-Mechanical
Testing2.2.43 Combined Cyclic Load Testing2.2.44 Conductor
Comparison Testing
Th nghim in:
2.3.45 Resistivity Testing2.3.46 Power Loss Comparison
Testing2.3.47 Ampacity2.3.48 EMF Measurements2.3.49 Impedance
Comparison Testing2.3.50 Corona Testing2.3.51 Radio Noise
Testing2.3.52 Short Circuit Testing2.3.53 Lightning Strike
Testing2.3.54 Ultra High Voltage AC & DC Testing
Th nghim h thng:
2.4.55 Current Cycle Testing2.4.56 Sustained Load Testing2.4.57
Ultimate Assembly Strength Testing2.4.58 Salt Fog Emersion
Testing2.4.60 Static Heat Tests2.4.61 Suspension Clamp
Testing2.4.62 Thermo-Mechanical Testing2.4.63 Cyclic Load
Testing
Th nghim mi trng:
2.5.64 Ambient Temperature2.5.65 Tension, Sag, and
Clearance2.5.66 Conductor Temperature2.5.67 Electric Current2.5.68
Wind Speed and Direction2.5.69 Solar Radiation2.5.70 Rainfall2.5.71
Ice Buildup2.5.72 Splice Resistance2.5.73 Infrared
Measurements2.5.74 Corona Observations2.5.75 Electric and Magnetic
Fields2.5.76 Wind and Ice Load Measurements2.5.77 Vibration
Monitoring2.5.78 Typhoon Test
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Di dy ACCC
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Ph kin ng b
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Tr s chnh: Irvine, California, USA
V Nh sn xut CTC CABLE
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ACCC: Gii php trn ton th gii
US and Canada: ang sn xut Belgium (EC): ang sn xut China: ang sn
xut Middle East (Bahrain): ang sn xut Indonesia (1): ang sn xut
Indonesia (2): ang sn xut Korea: ang nh gi tnh kh thi Russia: ang
nh gia tnh kh thi Colombia: ang kho st tnh kh thi
Cc nh sn xut c bn quyn ch to
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Kinh nghim lp t > 8800 km (141 d n tnh ti ht 2009)Quc
Gia:
USA China Poland Spain Portugal Mexico Chile Indonesia Belgium
Germany South Africa France (test) UK (test) Brazil (test)
Nh thu: AEP APS PacifiCorp Sierra Pacific (NV Energy) National
Grid US Austin Energy Xcel Energy MI PUD KS PUD KAMO OG&E Ozark
Electric WAPA
Hn 15,000 Kha v noVTD Co. Ltd.,
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Gim bc x nhit ra mi trng Thnh ph California tiu th 300,000 GWh
mi nm;
Chi ph xp x 32 t USD mi nm;
Xp x 9% lng in b tn tht trong qu trnh truynti v phn phi;
Trong , c 2-3% lin quan ti tn tht trong qu trnhtruyn ti;
Bng cch s dng dy ACCC s gim c 35% : titkim ~US$224,000,000 mi
nm;
Gim c 2,328,242 tn CO2: Tng ng vi vic447,740 chic xe hi c th lu
thng trn ng.
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Tm lc cc u im ca dy ACCC Vi vic tng 28% lng nhm cng vi tit din
dy hnh thang, so vi dy
ACSR c cng ng knh, dy ACCC c kh nng mang ti > gp i; Gim 35%
tn tht truyn ti, mang li nng lng cho nhiu ngi cng s
dng, gim chi ph pht in Dy dn ACCC s dng li cng ngh c nhit/
carbon/ thy tinh, rt bn vng
v gim vng khi lm vic nhit cao C th thay dy m khng cn thay kt cu
ct, gim chi ph u t cc ng
dy mi C th dng thay th cho cc h thng ct yu, tit kim chi ph ct i
vi cc
ng dy thay mi Dy ACCC c th hot ng hiu qu nhit cao (180o C) S dng
cc phng php lp t thng thng, khng cn cc dng c c
bit Thn thin vi mi trng Li c n hi ln lm gim tc tc dng u ct khi c
gi mnh
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