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1,1,2,1,1(1.7100492.450052):,。:;;:TM406:B:1001-8425(2010)08-0028-03DesignofOvervoltageDividerforOnlineMonitoringSystemHUANGHai-bo1,ZHAOWen-yan1,KOUXiao-shi2,PENGJing1,LIYan-ming1(1.Xi'anJiaotongUniversity,Xi'an710049,China;2.HenanElectricalPowerTesting&ResearchInstitute,Zhengzhou450052,China)Abstract:Theovervoltagedividersystembasedontransformerbushingendshieldisde-signed.Itistested.Keywords:Divider;Overvoltage;Onlinemonitoring1,。,,。,。,,。,。,,、,。500kV,,,,。2、、、。,,,,。1。33.1,、1Fig.1DiagramofsystemstructureTRANSFORMER47820108Vol.47AugustNo.82010、、8,、,。,,。(1)。,。2。2C1,C2,R1,C3、R2。。3.23,、、。,,。,(50Ω)。,。,、,。4,,。500kV,610pF。4.1400V,5ns,。80pF。4,T89ns、Tα65ns、β9%,。4.21800kV,5。,。1.41μF,,100∶1,231248∶1。U1C1C2R1C3R22Fig.2Circuitdiagramofdividersystem3Fig.3Structureofvoltagesensor420-2-4-6-101234t/s/V×10-3×10-74Fig.4Stepresponsewaveformofsystem5Fig.5Connectiondiagramofimpulseresponsetest2947500kV,1650kV,/1.48μs/52μs,IEC60060-1。6a,6b。1150kV,/265μs/2600μs,7a,7b。,。5500kV,,,。(1)T89ns、Tα65ns、β9%,。(2),,。:[1],.[J].,2007,23(3):79-82.[2],.[J].,2007,31(21):86-89.[3].[D].:,2006.[4],,.[M].:,2005.[5].[M].:,2003.2000150010005000012345×10-5t/s/V(a)1086420-2012345×10-5t/s/V(b)6Fig.6Lightingimpulsevoltagetestwaveform1400120010008006004002000-20001234×10-3/Vt/s(a)/V01234×10-3t/s0123456-1(b)7Fig.7Switchingimpulsevoltagetestwaveform:2009-06-16:(1985-),,,,。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!750kV20103750kV,2100MVA。30
本文标题:一种过电压在线监测分压器的设计
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