HighVoltageEngineeringFundamentalsHighVoltageEngineeringFundamentalsSecondeditionE.KuffelDeanEmeritus,UniversityofManitoba,Winnipeg,CanadaW.S.ZaenglProfessorEmeritus,ElectricalEngineeringDept.,SwissFederalInstituteofTechnology,Zurich,SwitzerlandJ.KuffelManagerofHighVoltageandCurrentLaboratories,OntarioHydroTechnologies,Toronto,CanadaNewnesOXFORDAUCKLANDBOSTONJOHANNESBURGMELBOURNENEWDELHINewnesAnimprintofButterworth-HeinemannLinacreHouse,JordanHill,OxfordOX28DP225WildwoodAvenue,Woburn,MA01801-2041AdivisionofReedEducationalandProfessionalPublishingLtdFirstpublished1984byPergamonPressReprinted1986Secondedition2000,publishedbyButterworth-HeinemannE.KuffelandW.S.Zaengl1984E.Kuffel,W.S.ZaenglandJ.Kuffel2000Allrightsreserved.Nopartofthispublicationmaybereproducedinanymaterialform(includingphotocopyingorstoringinanymediumbyelectronicmeansandwhetherornottransientlyorincidentallytosomeotheruseofthispublication)withoutthewrittenpermissionofthecopyrightholderexceptinaccordancewiththeprovisionsoftheCopyright,DesignsandPatentsAct1988orunderthetermsofalicenceissuedbytheCopyrightLicensingAgencyLtd,90TottenhamCourtRoad,London,EnglandW1P9HE.Applicationsforthecopyrightholder’swrittenpermissiontoreproduceanypartofthispublicationshouldbeaddressedtothepublishersBritishLibraryCataloguinginPublicationDataAcataloguerecordforthisbookisavailablefromtheBritishLibraryLibraryofCongressCataloguinginPublicationDataAcataloguerecordforthisbookisavailablefromtheLibraryofCongressISBN0750636343TypesetbyLaserWords,Madras,IndiaPrintedinGreatBritainContentsPrefacetosecondeditionxiPrefacetofirsteditionxvChapter1Introduction11.1Generationandtransmissionofelectricenergy11.2Voltagestresses31.3Testingvoltages51.3.1Testingwithpowerfrequencyvoltages51.3.2Testingwithlightningimpulsevoltages51.3.3Testingwithswitchingimpulses61.3.4D.C.voltages61.3.5Testingwithverylowfrequencyvoltage7References7Chapter2Generationofhighvoltages82.1Directvoltages92.1.1A.C.toD.C.conversion102.1.2Electrostaticgenerators242.2Alte...