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DL/T6031996Regulationofoperationandpreventivemaintenanceforgas-insulatedmetal-enclosedswitchgear1996-07-161996-11-01(GIS)172.5kV50Hz(GIS)72.5kVGIS2GB198489GB76748772.5kVGB890588GB1102289GB1202289DL40291DL50692DL/T55594IEC376(1971)IEC480(1974)IEC517(1986)72.5kVIEC694(1980)33.1GIS153.2GISGISSF61000l/l(6g/m3)3.3GIS36V30K40K3.4GIS1(15min)15min3.5a)b)c)3.5.11GISa)b)c)DL/T6031996d)e)f)g)h)i)j)k)(SF6)()l)m)3.5.241GISGISa)b)c)d)e)f)g)h)i)j)GIS3.5.3GISGIS3.6GISSF63.6.1SF6SF6a)b)0.010.03MPac)1%d)SF6SF6SF6(GIS)3.6.2SF6a)11131b)SF611SF6150l/l250l/l300l/l500l/l20101325Pa3.6.3SF6SF63.73.7.1GISCO23.7.2GIS3.7.3GIS3.8GISGIS4GIS4.1GIS4.1.1GIS1(15min)15min4.1.2SF618%()SF61000l/l4.1.3GISSF64hGIS4.1.4GISSF64.1.5GIS4.2SF64.2.1SF64.2.24.3GIS4.3.1GIS4.3.2GIS4.3.3GIS(99.99%)SF64.3.430minSF64.3.54.3.64.3.720%10h4.3.84.4GIS4.4.1GIS4.4.215min4h4h4.4.35SF65.1SF65.1.1SF65.1.2SF622SF6IEC376GB12022(SF6)(m/m)99.8%(N2+O2Air)(m/m)0.05%0.05%(CF4)(m/m)0.05%0.05%(H2O)15g/g8g/g(HF)0.3g/g0.3g/g(HF)1.0g/g1.0g/g10g/g10g/g5.1.3IEC(2)5.1.4SF625.2SF65.2.1SF635.2.2GIS5.3GIS5.3.1GISSF63IEC37663SF61(l/l)201.32.3.4.11.1503002.50010001.GB5832.1GB5832.2DL5062.12(kg/m3)()6.16IEC3763GB120224(g/g)1.2.0.3GB120225(m/m)1.2.0.05%GB120226(g/g)1.2.1.0GB120227(g/g)1.2.10GB1202285.3.2SF66GISa)b)c)d)e)f)g)h)6.12500V1000V1M6.2SF6DL/T555946.36.46.4.1a)100Ab)R0R1RRRRR=−01106.4.2120%6.5GISGB11023SF66.6GIS6.7GISSF6316.8DL29077.1GIS7.1.17.1.2GIS7.1.37.2GIS7.3117.47.4.17.4.27.4.380%GIS7.5SF6SF6GIS7.64.3.77.77.7.17.7.27.87.8.1GISSF67.8.27.8.3OOSF67.97.9.17.9.27.9.3a)b)c)d)OOe)OGISSF6f)Og)7.9.4O7.10GIS7.10.11h5h7.10.2a)133Pa30minb)30minAc)5hBB-A67Pa(133Pa)(7.3)d)7.10.3a)133Pab)88.18.1.18.1.244112123124561/57282921011SF612SF621318.255112131415161718()193103()11SF6112SF613h13SF6114SF6115GIS116117SF6118119120GIS1211