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1、Publication60076-3delaCE1IECPublication60076-3(Deuxibmeédition-2000)(Secondedition-2000)Transformateursdepuissance-Powertransformers-Partie3:Niveauxd’isolement,essaisPart3:Insulationlevels,dielectrictestsdiélectriquesetdistancesd’isolementandexternalclearancesinairdansl’airCORRIGENDUM
2、Page20Page21Exemple3:Example3Aulieude:Insteadof:1050/300/5701050/300/570lire:read:1050/1300/5701050/1300/570Page32Page33Tableau4Table4Remplacerletableau4existantparleReplacetheexistingtable4bythefollowingnouveautableau4suivant:newtable4:COPYRIGHTInternationalElectrotechnicalCommission
3、LicensedbyInformationHandlingServicesTable4-RatedwithstandvoltagesfortransformerwindingswithU,,,>170kVHighestvoltageforRatedswitchingimpulseRatedlightningimpulseRatedshort-durationequipmentU,withstandvoltagewithstandvoltageinducedorseparatephase-to-earthsourceACwithstandvoltagekVr.m.s
4、kVpeakkVpeakkVr.m.s.....................................650......5503251050,4601175'510420.....1300*1!5?='570550.........................1425.....................................................1175-1550.......................630.............-1300-...............-6801675note318008001
5、950note3-note32100NOTE1DottedlinesarenotinlinewithIEC60071-1butarecurrentpracticeinsomecountries.NOTE2ForuniformlyinsulatedtransformerswithextremelylowvaluesofratedACinsulationlevels,specialmeasuresmayhavetobetakentoperformtheshort-durationACinducedtest,see12.2.NOTE3Notapplicable,unle
6、ssotherwiseagreed.NOTE4Forvoltagesgiveninthelastcolumn,highertestvoltagesmayberequiredtoprovethattherequiredphase-to-phasewithstandvoltagesaremet.ThisisvalidforthelowerinsulationlevelsassignedtothedifferentU,inthetable.COPYRIGHTInternationalElectrotechnicalCommissionLicensedbyInformat
7、ionHandlingServicesTableau4-TensionsdetenuenormaliséespourlesenroulementsdetransformateuravecU,,,>170kVTensionlaplusélevéeTensiondetenueTensiondetenueTensiondetenuepourlematérielU,,,assignéeauchocdeassignéeauchocdeassignéedecourteImanoevrephase-terrefoudreduréedéduiteouparsourceséparé
8、eenFI
