47、,。。,,。,,。,。,,。,、,。:[1]GB/T7252-2001,[S].[2]IECPublication60599,Mineraloil-impregnatedelectri-calequipmentinservice,guidetotheinterpretationofdissolvedandfreegasesanalysis[S].[3].[J].,1993,39(9):10-12.[4].[J].,1998,22(5):49-55.[5].[J].,2002,39(S1):46-49.[6].[J].,1998,22(1):4-7.[7],,,.[M].:,2003.[8].[D].:,2000.[9].[D].:,2003.[10]Sparling,BAubinJ,GlodjoA.Fieldexperiencewithmultigason-linemonitoringofpowertransformers[C].IEEETransmissionandDistributionConference.LosAngeles:Instituteofelectrical&lectronicsenginee,1999.[11],.[J].,2005,31(2):84-86.:2009-01-13:(1981-),,,,;(1979-),,,,;(1978-),,,,。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!“”(),20091211。,10.7%~25%,11.7%~12.0%;4.6%~25%。,,“”。,,。429,。,,,47000/24000/。“‘’,。”,,20102011,2010~201120%40%。“、。,20099,。”500kV2009127,500kV。,,500kV/220kV,220kV,220kV。68