1!2!1.,!#$$;2.,!#$$$:,º:;;;:TM405:B:1001-8425(2005)12-0010-031,。。2。、。(≥4mm3):6300kVA,3,8000~31500kVA4,40000kVA5。。,、,、。,。2.1。,,,,。2.2,。,,,。2.3,、,,。,、,,。,,。GB2536-1990:、。2.4,、,,,、、。2.5、,。:,,。2.6,,,,,,C2H2,,。,,,,,。2.7,!#$$%#!#$%&’()&’()!*+,+-.+/0’)#$$%!12。,。,,。,,。,,,。3。,、。3.1。,,。,,,,、、,,。3.2。,。,,。220kV,。3.3。,,。,0.03mm。,,。,,。,。,,。,、,。4,,,,,,,。,,,,,。(1),,。220kV。(2),。,,,,。。,。(3),。,。(4),,,、、。(5),。,,。、、、。。(6),、,,。(7),,,。。!!42:2005-05-04:(1976-),,,,,;(1966-),,,,。(8),(,80mm~100mm),,。(9),。,。(10),,。(11),,,。,,。(12),,。,,。(13),。,,。,,。5,,、,。。,,。,。,。220kV,100pC,120MVA50pC。,。,。:[1].[M].:,2003.[2].[M].:,1998.BriefDi()*((i+,+,-./+r01,230+-./r+435637,6i,e((+f8r9,(f+r.er:20i4e;9r09,=0(e9(*re(!#$%&’!()*+1,-./0)1!2’2(1.HengyangSanhuanSaveEngergyTransformerCo.,Ltd.,Hengyang421002,China;2.TebianElectricApparatusHengyangTransformerCo.,Ltd.,Hengyang421000,China):?(0r920:Theimportancetoimprovecleanlinessofactivepartoftransformerisintroduced.Thereasonstobringaboutlowcleanlinessaregiven.Themeasurestoimproveclealinessarepresented.@eAB+r(:!#$%&’()*+,-./)01-*23)1$3.$)%%*4)#%5)!