线路型避雷器在提高输电线路防雷特性中的设计与应用 中英文双语外文文献翻译成品.doc

外文标题：DesignandApplicationofLineSurgeArresterstoImproveLightning

ProtectionCharacteristicsofTransmissionLines

外文作者：JLHe,RZeng,JHu,SMChen,JZhao

文献出处：TransmissionDistributionConferenceExposition,2008:1-8

英文4089单词，20988字符，中文7298汉字。

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DesignandApplicationofLineSurgeArresterstoImproveLightningProtectionCharacteristicsofTransmissionLines

Jin-LiangHeSeniorMember,IEEE,RongZengSeniorMember,IEEE,JunHu,Shui-MingChenSeniorMember,IEEEandJieZhao

Abstract—Thelinesurgearresterwithseriesgapcaneffectivelyimprovethelightningprotectionperformanceofthetransmissionline,andguaranteeitssafeoperation.Thispaperdiscussedthedesignoftwodifferentseriesgapstructures,andtheirinfluenceonthelinesurgearresters.Theso-called“transversedischarge”betweenthegradingringoftheinsulatortotheupperdischargingelectrodeoftheseriesgapisdiscussed.Atlast,thepaperintroducedtheapplicationandeffectsoflinesurgearrestersinChina.Linesurgearrestershaveachievedgoodapplicationeffect,

whichhavebecomethemainlightningprotectionmeasuresoftransmissionlines.

IndexTerm—Metaloxidesurgearrester,linesurgearrester,seriesgap,lightningimpulse,switchingovervoltage,powerfrequencyovervoltage,polymericsurge

arrester

INTRODUCTION

Since1980s,thepolymericZnOsurgearrestershavebeendevelopedandputintooperationsontransmissionlinesinparallelwiththeinsulatorstoimprovethelightningwithstandcharacteristicsoftransmissionlinesandincreasethereliabilityofpowersupplybasedontheirexcellentperformances[1]-[10].Especially,intheregionswherethelightningisexceedinglyactiveorthegroundingresistancesoftowersaredifficulttobereducedduetothehighsoilresist