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1、284USEOFCORONARINGSTOCONTROLTHEELECTRICALFIELDALONGTRANSMISSIONLINECOMPOSITEINSULATORSWorkingGroupB2.03December2005USEOFCORONARINGSTOCONTROLTHEELECTRICALFIELDALONGTRANSMISSIONLINECOMPOSITEINSULATORSWorkingGroupB2.03(Insulators)ReportpreparedbyCdeTOURREIL(FR)E.BROCARD(FR)V.SKLENIC
2、KA(CZ)MembersC.deTOURREIL(Convener,FR),G.BESZTERCEY(HU),M.BRAUNE(DE),E.BROCARD(FR),C.ELLEAU(FR),T.GILLESPIE(AU),R.HILL(US),Dong-IlLEE(KR),R.E.MACEY(ZA),R.MATSUOKA(JP),J.-M.MUÑOZ(ES),RaduMUNTEANU(IL),K.NAITO(JP),T.A.PINKHAM(US),G.PIROVANO(IT),R.W.SALLESGARCIA(BR),F.SCHMUCK(CH),H.S
3、CHNEIDER(US),B.STAUB(CH),V.SKLENICKA(CZ),S.YOSHIDA(JP).Copyright©2005“OwnershipofaCIGREpublication,whetherinpaperformoronelectronicsupportonlyinfersrightofuseforpersonalpurposes.Areprohibited,exceptifexplicitlyagreedbyCIGRE,totalorpartialreproductionofthepublicationforuseothertha
4、npersonalandtransfertoathirdparty;hencecirculationonanyintranetorothercompanynetworkisforbidden”.Disclaimernotice“CIGREgivesnowarrantyorassuranceaboutthecontentsofthispublication,nordoesitacceptanyresponsibility,astotheaccuracyorexhaustivenessoftheinformation.Allimpliedwarranties
5、andconditionsareexcludedtothemaximumextentpermittedbylaw”.USEOFCORONARINGSTOCONTROLTHEELECTRICALFIELDALONGTRANSMISSIONLINECOMPOSITEINSULATORSWorkingGroup03(Insulators)ofStudyCommitteeB2.TABLEOFCONTENTS1.INTRODUCTION32.FIELDCONTROLATTHESURFACEOFANDINSIDETHEHOUSINGMATERIAL33.SOFTWA
6、RECALCULATIONS43.1.Validationofthe3Dcalculationparametersbylaboratorytests53.2.2Dcalculationona400kVinsulator53.3.Electricalfieldevaluations64.RESULTS75.COMMENTS86.ADDITIONALCONSIDERATIONS96.1.Pollutedconditions96.2.Powerarcprotection106.3.Coronaringsatthegroundend107.CONCLUSION1
7、0REFERENCES10APPENDIX111APPENDIX213APPENDIX314APPENDIX416APPENDIX518APPENDIX620APPENDIX723341-IntroductionThisdocumentintendstomakethereaderawareofthecomplexitiesofthecoronaringdesignandtogivehima“feel”forgoodandbaddesignoptions.Itspurposeisnottospecifyaspecificcoronaringforagive
8、nvoltageandinsulatordesign.Thisistheresp
