40.5kVGIS Introduction Single line diagram Layout Main parameters: Item Rating Type BGA-40(Z)/T1600-31.5 Rated voltage 40.5kV Rated current 1250A,1600A,2000A,2500A*,3150A* Rated frequency 50Hz Rated breaking current 31.5kA Rated short-circuit making current 80kA Rated short-time withstand current 31.5kA Rated peak withstand current 80kA Duration of short-circuit 4s Rated insulation level 1min power frequency withstand voltage Phase-to-earth and between phases 107kV vacuum across open gap 95kV Isolated across open gap 110kV Table 5min zero pressure frequency withstand voltage 65kV Table 5min zero pressure frequency withstand voltage Phase-to-earth and between phases 209kV vacuum across open gap 185kV Isolated across open gap 215kV SF6 gas pressure Rated pressure 0.08MPa Alarm pressure settings: 1 stages/2 stage 0.06MPa/0.05MPa Remark：“ * ” Rated current 2500A, 3150A non-conventional design. 40.5kV GIS Single Line Diagram 40.5kV GIS Layout Diagram BACK ↑TOP
