10 kV配电站断路器无故障跳闸分析及处理措施.pdf
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:TM561:10.19768/.cnki.dgjs.2024.12.024
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ZHOUQiang,WANGFangzhou,LANHaisong,ZHOUWenqin,CAILiqiang
(AECCSichuanGasTurbineResearchEstablishment,Mianyang621000,China)
:Fault-freetrippingisanundesiredtrippingofacircuitbreakerwhenthereencountersnofaultintheprimary
system.Itisdifficulttoanalyzethecauseofthistypeoftripping.Thispapersystematicallyclassifiesthepotentialhazards
orcausesthatmayleadtofault-freetripping,whicharemainlydividedintofactorssuchasthecircuitbreakermechanical
mechanismproblems,thesecondarywiringproblem,thelogicproblemoftheprotectiondevice,andthequalityoftheDC
powersupply.Anundesiredtrippingeventcausedbyinducedvoltageandthecorrespondinghandlingmeasuresadopted,
arespecificallyanalyzed.
:fault-freetripping;secondarywiring;inducedvoltage
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10kV()
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GG-1A,
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0.4kV,XGN-12
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175V,。
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