345 kV 4000 A 63 kA G.C.S Introduction Layout structure diagram (LINE TYPE) structure diagram (TT TYPE) TYPE: FLLE-300-63 Main technical data: 1 Rated Voltage kVrms 345 2 Rated maximum Voltage kVrms 362 3 Rated frequency Hz 60 4 Rated Current 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 15 SF6leakage rate %/year 0.5 16 Control Voltage DC(V) 125 17 Operation mechanism for breaker - Pneumatic 345 GCS Layout 345 kV GCS structure diagram (LINE TYPE) 345 kV GCS structure diagram (TT TYPE) BACK ↑TOP
