345 kV 4000/6000 A 63 kA GIS (Hyd.) Introduction Single line diagram Layout Structure diagram 1 Rated voltage kVrms 345 2 Rated maximum voltage kVrms 362 3 Rated frequency Hz 60 4 Rated frequency Arms 4000/6000 5 Rated short-circuit breaking current kArms 63 6 Rated short time withstand current (3s) kArms 63 7 Rated power-frequency withstand voltage kVrms 555 8 Rated lightning impulse withstand voltage kVpeak 1300 9 Rated switching impulse withstand voltage kVpeak 950 10 Rated breaking time cycle 2 11 Rated delay trip time second 1 12 Standard duty cycle for breaker - CO-15sec-CO 13 Operation duty cycle for breaker - O-20cycle-CO 14 Rated pressure (20℃) kgf/cm2.G 5.5/5.0 15 SF6 leakage rate % / year 0.5 16 Control voltage DC(V) 125 17 Operation mechanism for breaker - hydraulic 345kV GIS(液壓操作型)設備構造圖LINE BAY 345kV GIS(液壓操作型)設備構造圖TIE BAY 345kV GIS(液壓操作型)設備構造圖TR BAY BACK ↑TOP
