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LW152252SF6XUsualMalfunctionsandTreatmentsforTypeLW152252SF6CircuitBreaker1,2,1(11,410077;21,410015):LW152252SF6SF6,,,:SF6;;;:TM56113:B:100326520(2004)12200602013012200412HighVoltageEngineeringVol.30No.12Dec.200401999500kV220kVLW152252SF6(30)4,,,220kV1111SF6CQ6(1),B()B,,,,,1112,:(1)B,,,,,A,,B,A,,AB,A,B,,,,,(2),,318A,17A,4A,,(2):B,A;B,,1,2(66)06X(50207001)GYC52(02A032)44:1)(4kV/cm),,,(8s)2)km2m,2km3)PCWINDOWS,WINDOW98TM4)015C,2C;-30C120C,,5),(30C,40C,50C),,,,6),;,,5,,[1]1[M]1:,19951[2]1[M]1:,20001(2004204215)1964,,,(60)21145MPa,1145MPa,,1,011MPa,,,,,1132MPa3SF6SF6(20C0.6MPa),,SF6,30SF6,3SF6SF6,SF6,SF64LW152252SF6,,[1]1LW152252SF6[Z]1:,20001[2]1[M]1:,19951(2004203222)1975,,,1972,,,66Dec12004HighVoltageEngineeringVol.30No.12