IECTR61869-100Edition1.02017-01TECHNICALREPORTInstrumenttransformers–Part100:GuidanceforapplicationofcurrenttransformersinpowersystemprotectionIECTR61869-100:2017-01(en)®colourinsideCopyrightInternationalElectrotechnicalCommissionProvidedbyIHSunderlicensewithIECLicensee=HongKongPolytechnicUniversity/9976803100,User=yin,sanNotforResale,01/25/201706:54:05MSTNoreproductionornetworkingpermittedwithoutlicensefromIHS--```,`,,```,`,,,`,`````,,,`,,,-`-`,,`,,`,`,,`---THISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2017IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.IECCentralOfficeTel.:+412291902113,ruedeVarembéFax:+41229190300CH-1211Geneva20info@iec.chSwitzerlandwww.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendaoranamendmentmighthavebeenpublished.IECCatalogue-webstore.iec.ch/catalogueThestand-aloneapplicationforconsultingtheentirebibliographicalinformationonIECInternationalStandards,TechnicalSpecifications,TechnicalReportsandotherdocuments.AvailableforPC,MacOS,AndroidTabletsandiPad.IECpublicationssearch-www.iec.ch/searchpubTheadvancedsearchenablestofindIECpublicationsbyavarietyofcriteria(referencenumber,text,technicalcommittee,…).Italsogivesinformationonprojects,replacedandwithdrawnpublications.IECJustPublished-webstore.iec.ch/justpublishedStayuptodateonallnewIECpubli...