110kV Settingschina.docx
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- 上传时间:2022-10-27
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110kV Settingschina.docx
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110kVSettingschina
AC2A+01
Incomingline进线
ShortcircuitcurrentIk”.短路电流产Ik
FaultatAC2A/fromgrid(max)16,8kAAC2A发生短路故障/电网最大短路电流16,8kA
Faultatline进线发生短路故障
2*2,5kA(TG2&TG3)2*2,5kA(TG2&TG3)
0,7kAfromoldmill(TG1)0.7kA老厂(TG1)
+short-circuitcurrentcontributionfromloads+负载短路电流
3I>1,1(1100A)TRIP,CBFP
kEI/0,5(ExtremelyInverse)
3I>>--
t>>--
3>0,75(750)TRIP,CBFP
I->towardline
t>0,75s
3>>3,0(3000)TRIP,CBFP
->Itowardbusbar
t>>0,95s
Io>100ATRIP,CBFP
to>1,5s
Io>>400ATRIP,CBFP
to>>0,85s
Io>>>--
to>>>--
Uo>5%ALARM
to>1s
Uo>>10%TRIP,CBFP
to>>5s
Ith350ATRIP
AC2A+02
3I>1(300A)TRIP,CBFP
kEI/0,5(ExtremelyInverse)
3I>>--
t>>--
3I>>3,33(1000)TRIP,CBFP
I->towardline
t>>0,10s
3I>>1,5(450)TRIP,CBFP
->Itowardbusbar
t>>1,0s
Io>75ATRIP,CBFP
to>1,25s
Io>>300ATRIP,CBFP
to>>0,75s
Io>>>--
to>>>--
Ith350ATRIP
AC2A+03
TiebetweenAC2AandAC2B
Shortcircuitcurrent,faultatAC2BAC2B发生短路故障其短路电流为
MaximumfromAC2AtoAC2B17kA从AC2A到AC2B最大短路电流17kA
FromGridmax16,8电网最大短路电流16,8kA
Shortcircuitcurrent,faultatAC2AAC2A发生短路故障其短路电流为
MaximumfromAC2BtoAC2A2*2,5kA+shortcircuitcurrentcontributionfromloads
从AC2B到AC2A最大短路电流2*2,5kA+负载短路电流
3I>0,8(800A)TRIP,CBFP
kEI/0,3(ExtremelyInverse)
3I>>--
t>>--
3>2,0(2000)TRIP,CBFP
I->towardline
t>0,8s
3>>1,2(1200)TRIP,CBFP
->Itowardbusbar
t>>1,0s
3I>>>--
t>>>--
Io>75ATRIP,CBFP
to>1,25s
Io>>300ATRIP,CBFP
to>>0,75s
Io>>>--
to>>>--
Uo>5%ALARM
to>1s
Uo>>10%TRIP,CBFP
to>>5s
Ith350ATRIP
f f< AC2B+01 TiebetweenAC2AandAC2B Shortcircuitcurrent,faultatAC2BAC2B发生短路故障其短路电流为 MaximumfromAC2AtoAC2B17kA从AC2A到AC2B最大短路电流17kA FromGridmax16,8电网最大短路电流16,8kA Shortcircuitcurrent,faultatAC2AAC2A发生短路故障其短路电流为 MaximumfromAC2BtoAC2A2*2,5kA+shortcircuitcurrentcontributionfromloads 从AC2B到AC2A最大短路电流2*2,5kA+负载短路电流 3I>0,8(800A)TRIP,CBFP kEI/0,3(ExtremelyInverse) 3>>1,2(1200)TRIP,CBFP I->towardline t>>1,0s 3>>2,0(2000)TRIP,CBFP ->Itowardbusbar t>>0,8s 3I>>>-- t>>>-- Io>75ATRIP,CBFP to>1,25s Io>>300ATRIP,CBFP to>>0,75s Io>>>-- to>>>-- Uo>5%ALARM to>1s Uo>>10%TRIP,CBFP to>>5s U>115%ALARM t>1s U<0,85ALARM t<1s Ith350ATRIP AC2B+02&+04 Unittransformer125MVA单元变压器125MVA Generator115MVA发电机115MVA Shortcircuitcurrent,faultathighvoltageterminalsoftransformer(Ik”) 短路故障发生在变压器的高压側(Ik”),其短路电流为 Maximum25kA最大25kA Generator(Max)2,5kA发电机(最大)2,5kA 3I>0,75(600A)TRIP,CBFP kEI/0,4(ExtremelyInverse) 3I>>2,2(1750)TRIP,CBFP t>>1,50s 3I>>>4,38(3500)TRIP,CBFP t>>>0,05 Io>50ATRIP,CBFP to>1s Io>>200ATRIP,CBFP to>>0,5sBlockedifNeutralisGrounded Io>>>500ATRIP,CBFP to>>>0,1sBlockedifNeutralisGrounded 3Id>p20%TRIP,CBFP S20% 3Id>15kA Ido>S115%TRIP,CBFP S20,05s Uo>5%ALARM to>1s Uo>>10%TRIP,CBFP to>>5s Ith600ATRIP AC2B+03 Transformer变压器 75MVA(400A) Shortcircuitcurrent,faultathighvoltageterminalsoftransformer(Ik”) 短路故障发生在变压器的高压側(Ik”),其短路电流为 Maximum25kA最大25kA Generators(Max)2*2,5kA发电机(最大)2*2,5kA Shortcircuitcurrent,faultatlowvoltageterminalsoftransformer(Ik”) 短路故障发生在变压器的低压側(Ik”),其短路电流为 Maximum3,1kA最大3,1kA Onegenerator1,9kA一台发电机1,9kA 3I>0,8(400A)TRIP,CBFP kEI/0,5(ExtremelyInverse) 3I>>2,5(1250)TRIP,CBFP t>>0,60s 3I>>>4,5(2250)TRIP,CBFP t>>>0,1(BlockingfromAC21+13I>>start) Io>50ATRIP,CBFP to>1s Io>>200ATRIP,CBFP to>>0,5s Io>>>500ATRIP,CBFP to>>>0,1s 3Id>p20%TRIP,CBFP S20% 3Id>>5kATRIP,CBFP Ith400ATRIP AC2B+05 Transformer变压器 75MVA(400A) Shortcircuitcurrent,faultathighvoltageterminalsoftransformer(Ik”) 短路故障发生在变压器的高压側(Ik”),其短路电流为 Maximum25kA最大25kA Generators(Max)2*2,5kA发电机(最大)2*2,5kA Shortcircuitcurrent,faultatlowvoltageterminalsoftransformer(Ik”) 短路故障发生在变压器的低压側(Ik”),其短路电流为 Maximum3,1kA最大3,1kA Onegenerator1,9kA一台发电机1,9kA 3I>0,8(400A)TRIP,CBFP kEI/0,5(ExtremelyInverse) 3I>>2,5(1250)TRIP,CBFP t>>0,60s 3I>>>4,5(2250)TRIP,CBFP t>>>0,1(BlockingfromAC22+02I>>start) Io>50ATRIP,CBFP to>1s Io>>200ATRIP,CBFP to>>0,5s Io>>>500ATRIP,CBFP to>>>0,1s 3Id>p20% S20% 3Id>>5kA Ith400ATRIP AC2B+06 Transformer变压器 75MVA(400A) Shortcircuitcurrent,faultathighvoltageterminalsoftransformer(Ik”) 短路故障发生在变压器的高压側(Ik”),其短路电流为 Maximum25kA最大25kA Generators(Max)2*2,5kA发电机(最大
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