IEC6050221998额定电压从1kVUm12kV到30kVUm36kV的挤压绝缘电力电缆及其附

Powercableswithextrudedinsulationandtheiraccessoriesforratedvoltagesfrom1kV(Um=1,2kV)upto30kV(Um=36kV)–Part2:Cablesforratedvoltagesfrom6kV(Um=7,2kV)upto30kV(Um=36kV)ReferencenumberIEC60502-2:2005(E)INTERNATIONALSTANDARDIEC60502-2Secondedition2005-03ThisEnglish-languageversionisderivedfromtheoriginalbilingualpublicationbyleavingoutallFrench-languagepages.MissingpagenumberscorrespondtotheFrench-languagepages.(seebelow)inadditiontoneweditions,amendmentsandcorrigenda.Informationonthesubjectsunderconsiderationandworkinprogressundertakenbythetechnicalcommitteewhichhaspreparedthispublication,aswellasthelistofpublicationsissued,isalsoavailablefromthefollowing:•IECWebSite()•CatalogueofIECpublicationsTheon-linecatalogueontheIECwebsite()enablesyoutosearchbyavarietyofcriteriaincludingtextsearches,technicalcommitteesanddateofpublication.On-lineinformationisalsoavailableonrecentlyissuedpublications,withdrawnandreplacedpublications,aswellascorrigenda.•IECJustPublishedThissummaryofrecentlyissuedpublications()isalsoavailablebyemail.PleasecontacttheCustomerServiceCentre(seebelow)forfurtherinformation.•CustomerServiceCentreIfyouhaveanyquestionsregardingthispublicationorneedfurtherassistance,pleasecontacttheCustomerServiceCentre:Email:[e-mail]:[phone]Fax:[phone](Um=1,2kV)upto30kV(Um=36kV)–Part2:Cablesforratedvoltagesfrom6kV(Um=7,2kV)upto30kV(Um=36kV)Forprice,seecurrentcatalogueIEC2005Copyright-allrightsreservedNopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher.InternationalElectrotechnicalCommission,3,ruedeVarembé,POBox131,CH-1211Geneva20,SwitzerlandTelephone:[phone]Telefax:[phone]E-mail:[e-mail]:IEC:2005–3–CONTENTSFOREWORD......................................................................................................................131Scope..........................................................................................................................172Normativereferences...................................................................................................173Termsanddefinitions...................................................................................................193.1Definitionsofdimensionalvalues(thicknesses,cross-sections,etc.)....................193.2Definitionsconcerningthetests...........................................................................214Voltagedesignationsandmaterials..............................................................................214.1Ratedvoltages....................................................................................................214.2Insulatingcompounds..........................................................................................234.3Sheathingcompounds.........................................................................................255Conductors...................................................................................................................276Insulation.....................................................................................................................276.1Material...............................................................................................................276.2Insulationthickness.............................................................................................277Screening.....................................................................................................................297.1Conductorscreen................................................................................................317.2Insulationscreen.................................................................................................318Assemblyofthree-corecables,innercoveringsandfillers............................................318.1Innercoveringsandfillers..........................................................