126 /252kV SF6 Complete Set Device For Neutral Point Earthing of Pneumatic Type Transformer Introduction BJX-110-M structure diagram BJX-220-M structure diagram Main parameters: Type ZH-126 /252 (G)W/J1250-100L (1)Rated voltage 126/252kV (2) Transformer neutral point voltage rating 72.5/126kV (3)Rated frequency 50Hz (4)Rated current 1250A (5)Rated peak withstand current 100kA (6)Rated short-time withstand current 31.5kA (7)Rated 4s (8) Power frequency withstand voltage (1min) Across open breaker 200/300kV Phase to earth 200/300kV (9)Lightning impulse withstand voltage (1.2/50μs) Across open breaker 410/650kV Phase to earth 410/650kV (10) Loop resistance of the earthing switch ≤100μΩ BJX-110-M structure diagram BJX-220-M structure diagram BACK ↑TOP
