110kV输电线路并联间隙防雷装置的设计与运行

32620116电　力　建　设ElectricPowerConstructionVol.32,No.6Jun,2011　·57　　　·:TM862　:A　:1000-7229(2011)06-0057-05110kV陈锡阳1,尹创荣1,杨挺1,王伟然1,葛栋2,张翠霞2,王献丽2,贺子鸣2(1.广东电网公司东莞供电局,广东省东莞市,523008;2.中国电力科学研究院,北京市,100192)DesignandOperationonParallelGapLightningProtectionDeviceofCompositeInsulatorsfor110kVOverheadTransmissionLineCHENXiyang1,YINChuangrong1,YANGTing1,WANGWeiran1,GEDong2,ZHANGCuixia2,WANGXianli2,HEZiming2(1.DongguanPowerSupplyBureauofGuangdongPowerGridCorporation,Dongguan523008,GuangdongProvince,China;2.ChinaElectricPowerResearchInstitute,Beijing100192,China)ABSTRACT:Theparallelgaplightningprotectiondeviceisbeneficialtotheexistinglightningprotectionmeasuresforoverheadtransmissionlineandhasbroadapplicationprospects.Theapplicationinvestigationonparallelgaplightningprotectiondeviceofcompositeinsulatorsforthe110kVoverheadtransmissionlineusedinDongguanPowerSupplyBureauispresentedinthisarticle.Avarietyofparallelgaplightningprotectiondevicesaredesigned.Thefunctionsofitsguidinglightningdischarge,transferringfrequencyarc,homogenizingfrequencyelectricfieldandprotectinginsulatorsandfittingsareverifiedbytests.Afteroptimizationofthedesigntodeterminetheelectricalparametersanddimensionsofthegap,thesamplesaredevelopedandusedinfive110kVtransmissionlines.Theoperationsituationoftheparallelgaplightningprotectionofcompositeinsulatorfor110kVlineisintroduced.KEYWORDS:lightningprotection;compositeinsulator;parallelgapdevice;functionverification;sampledesign;operationexperiences:,。110kV。,,、、、。,,,5110kV。110kV。:;;;;;doi:10.3969/j.issn.1000-7229.2011.06.0140　,,。,,,。70%。,,,,,。:、、、、、。,。“”。,,“”,。,“”“”,,,,,,,。“”“”2,,。,。21,,,,,,　·58　　　·电　力　建　设　　　32[1-6]。,。,[4],110,220kVI。,,。80(),,,。,,,。,。,,。110kV、,110kV。。,、、、。,,,5110kV。1,,。1　,[7-10]。1.1　2:。,,;。,,,,,。,,、U。,(U50%),。LotarMocks,,:10kA,0.5s,。0.05～0.1s,[11]。,,。,。。,2,2,。,。,,,。,,。,,。,,。1.2　。,、、。,,。50%,。,,,4～5。,,。,。12℃,,。,,,,。,,。　6:110kV　　　·59　　　·,。,。。,。,。,。1.3　,。,。、,。,。,。。,,,。、,,。1.4　,(),、。1.5　(、),,。,。1.6　,。,,。,,,3～4m,,。,,。,,,。2　110kV110kV,4(31),1、2。1,;2,;12,3,,,、。,,。3　、3,3。　·60　　　·电　力　建　设　　　323.1　,50%15%～20%。,,,,。50%。,。3.2　100kV(87.6kV),、。[12]。,100kV(87.6kV),1MHz126141μV,1000μV。[12]。3.3　,,,。,。,110kV。4　201015110kV,1。()1,,。,56,。1　110kVTab.1　Distributionofparallelgapinstallationsfor110kVcompositeinsulatorinDongguan/kV//110N1—N14681110N10—N4012191110N4—N238122110N32—N588192110N4—N16N21—N31N35—N42N47—N62242435882　　32010626110kV,,,。3　110kVFig.3　Flashoverpointonparallelgapofcompositeinsulatorfor110kVYuan-PuIline,,,,,,。,,。,,,。5　“”,110kV,,,,,。1,110kV,。6　[1],,,.110kV220kV[J].,2006,30(13):74-79.[2],,,.35kV[J].,2007,31(2):61-65.　6:110kV　　　·61　　　·[3],,,.[J].,2008,34(7):1499-1503.[4],,,.110kV、220kV[J].,2002,26(10):41-47.[5],,,.[J].,2003,29(2):21-22.[6],,,.[J].,2006,26(7):140-145.[7]YasuiM,MurookaM.PracticaldesignofAC1000kVinsulatorassemblies[J].IEEETPD,1988,3(1):333-340.[8],.[J].,1991(1):1-5.[9].[J].,1993(1):2-5.[10].、、[J].,1993(2):37-44.[11]MocksL.、[R].Berlin:RichardBerger,2002.[12]GB/T2317.2—2000[S].:2011-01-18　:2011-02-17:(1972),,,,,E-mail:[e-mail];(1976),,,,,E-mail:[e-mail];(1977),,,,,E-mail:[e-mail];(1979),,,,,E-mail:[e-mail];(1980),,,,,E-mail:[e-mail];(1959),,,,、,E-mail:[e-mail];(1968),,,,,E-mail:[e-mail];(1981),,,,,E-mail:[e-mail]。(见习编辑:沈雷)