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1,1,1,2,1,1(1.,401220;2.,400030):,(metaloxidearrester,MOA),。MOA,MOA,MOA;,MOA,MOA。,,,。:MOA;;;AnalysisonanExplosionAccidentofMetalOxideArresterZHANGZhaotao1ZHONGGuangqing1LIXiaobin1LIJian2ZOUPing1CHENXiaoling11.StateGridChongqingChangshouPowerSupplyCompanyChongqing401220China2.StateKeyLaboratoryofPowerTransmissionEquipment&SystemSecurityandNewTechnologyChongqing400030ChinaAbstract:AtypicalexplosionaccidentofmetaloxidearresterMOAwasanalyzed.AnddisassemblyinspectionofthefaultyMOAwasconductedtoinvestigatethecausesoftheaccident.TheresultindicatesthattheexplosivebreakdownaccidentwasmainlyinducedbythedampinMOA.SomecountermeasuresandsuggestionsareofferedtomonitortheoperationstateofMOAintime,soastopreventsimilaraccidents.Keywords:MOAfaultelectricalbreakdownhumidifiedinsulation0,,,,,。,,[1-5]。(metaloxidearrester,MOA),。,MOA;,,,[6-8]。,MOA、、,,。,,,。,MOA[9],,。110kVMOA,,,。,,、,MOA,。12013110kV110kV:2015-03-26;:2015-04-145180192-01962015816HighVoltageApparatusVol.51No.80192-0196Aug.162015DOI:10.13296/j.1001-1609.hva.2015.08.032,,,2,2。35kV,10kV,35kV、10kV,。A,。22.1,。,,,,,1。2.2,,2。,3。[10]。,,。,,4。,5。,。,,,,,6,。,。。,。,[11-13]。1Fig.1Shedsafterbreakdown2Fig.2Arcingpath3Fig.3Noarcingpath4Fig.4Insideofepoxyinsulationcylinder5Fig.5Springandvalveblock6Fig.6Zincoxidevalvecross-section.193··201585183110kV,,。3.1,110kV,,35kV10kV,,。3.2,,,。3.31,1,AB、C,201317A0.6mA,0.4mA,AB、C。110B、C,A0.9mA,A,。。4、、、[11-17]。。1),MOA,7[11]。a,b,,7(a),。,,MOA,,7(b),。,。,,。,8。,。2),ZnO,,8Fig.8Volt-amperecharacteristiccurve7Fig.7Radialpotentialdifferencebetweenthevalveplateandsheds1Table1PowerfrequencyleakagecurrentrecordofMOAmA164ABC2013-01-030.600.400.402013-01-070.600.400.402013-01-100.900.500.502013-01-140.900.500.502013-01-170.900.500.502013-01-210.900.500.402013-01-240.900.500.402013-01-280.900.450.452013-01-310.900.450.452013-02-040.900.450.452013-02-070.900.450.452013-02-110.900.450.452013-02-140.900.450.45194··,。,,。,,,1,,,。3),,,,MOA,MOA,。9,、3。,:①,;②,,;③、、、、。RC[7],10(a),IXIRIC,、10(b)。,。,,,10%~20%。、、,,,。,,,。,;,;,,。,,,,,,。5,;,,,,,,:1),,,。,9Fig.9MOAstructure10Fig.10EquivalentcircuitandvectordiagramofMOA.195··20158518。2),,1.5,,;2,。3)。。,。:[1],,,.[J].,2008,44(2):175-177.WANGXinggui,LIQingling,LIXiaozhen,etal.CasestudyofMOA[J].HighVoltageApparatus,2008,44(2):175-177.[2],,,.[J].,2009,45(2):130-131.LIQingling,WANGXinggui,LIXiaozhen,etal.DiscussionaboutapplicationofMOA[J].HighVoltageApparatus,2009,45(2):130-131.[3].35kV[J].,2009(4):34-35.WANGYuru.ApplicationstatusofMOAin35kVpowersystem[J].InsulatorsandSurgeArresters,2009(4):34-35.[4].[J].,2009,45(5):130-132.YANGDiancheng.Studyoninterphaseinterferencetoon-linemeasurementofmetaloxidearrester[J].HighVoltageApparatus,2009,45(5):130-132.[5],,,.220kV[J].,2007(4):60-61.LIUShengjun,QIAOHongjun,LIUChao,etal.Methodofpreventivetestof220kVMOAwithhighvoltageline[J].InsulatingMaterials,2007(4):60-61.[6],,.[M].:,2003.LIANGXidong,CHENChangyu,ZHOUYuanxiang.Highvoltageengineering[M].Beijing:TsinghuaUniversityPress,2003.[7],.[M].:,1989.JIANGGuoxiong,QIUYuchang.Surgearrestersandhighvoltagetest[M].Xi’an:Xi’anJiaotongUniversityPress,1989.[8]SINGHRP,SINGHTV.Influenceofpollutionontheperformanceofmetaloxidesurgearresters[C]//IEEECCEC2002:CanadianConferenceonElectrcialandComputerEngineering.[S.l.]:IEEE,2002:224-229.[9].[J].,2008(4):30-32.SUNPengju.On-linemeasurementonleakagecurrentofMOA[J].InsulatorsandSurgeArresters,2008(4):30-32.[10].110kV[J].,1998,24(4):79-82.HuangJianhua.Thefaultanalysesof110kVmetaloxidearrestors[J].HighVoltageEngineering,1998,24(4):79-82.[11],,.ZnO[J].,2000,26(1):22-23.TUYouping,HEJinliang,LIAODongmei.DiagnosismethodsofoperationconditionsofZnOsurgearrsters[J].HighVoltageEngineering,2000,26(1):22-23.[12],,.[C]//、.:[s.n.],2006:174-176.GAOXinjiang,DENGShijian,BIANXiaoyan.DiagnosismethodsofoperationconditionsofZnOsurgearresters[C]//SixteenthAnnualMeetingoftheNationalCoalautoma-tion,AutomationCommitteeofChinaCoalSocietyConfer-enceProceedings.China:[s.n.],2006:174-176.[13],,,.[J].,2011(5):63-69.YANYuting,JIANGJianwu,ZHONGJianling,etal.MOAaccidentanalysisandcomparativestudyoftestingmethods[J].InsulatorsandSurgeArresters,2011(5):63-69.[14],.[J].,1993(6):42-43.QIANJiali,CHANGYue.Monitoringstudyofnon-uniformmoistureandagingofMOA[J].InsulatorsandSurgeAr-resters,1993(6):42-43.[15],,,.[J].,1992,28(3):25-28.GUANGenzhi,HEJingliang,ZHAOShenhe,etal.Experi-mentalstudyofonlinemonitoringofMOAleakagecurrent[J].HighVoltageApparatus,1992,28(3):25-28.[16],,,.10kV[J].,2012(1):65-69.ZHANGXin,DENGPeng,XUPeng,etal.Mechanismanal-ysisandprotectivemeasuresonthelightningbreakreasonof10kVoverheadinsulationconductor[J].InsulatorsandSurgeArresters,2012(1):65-69.[17]FESERK,KOHLERW.Behaviourofzincoxidesurgearrestersunderpollution[J].IEEETransactionsonPowerDelivery,1991,6(2):688-695.(1979—),,,,。()196··
本文标题:一起氧化锌避雷器爆炸事故分析_张召涛
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