252kV 4000A 50kA GIL Introduction GIL structure diagram Main parameters: Type form GXL-252 / 4000-50 Rated voltage 252 kV Rated current 4000 A Rated frequency 50 Hz Rated insulation level Rated lightning impulse withstand voltage (BIL) 1050 kV Power frequency withstand voltage 460 kV Rated short–time withstand current 50 kA / 3s Rated peak withstand current 135 kA Degree of protection IP57 Composition of insulation gas SF6 Rated SF6 gas pressure 0.6 MPa 252kV GIL structure diagram BACK ↑TOP
