Products & Services ∣ CHEM

345 kV 4000/6000 A 63 kA G.I.S(Pne.)

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	5.5/5.0
15	SF6leakage rate	% / year	0.5
16	Control Vottage	DC(V)	125
17	Operation mechanism for breaker	-	Pneumatic

345 kV GIS (pneumatic operating type) single line diagram:

345 kV GIS (pneumatic operating type) layout:

345 kV GIS (pneumatic operating type) structure diagram LINE BAY:

345 kV GIS (pneumatic operating type) structure diagram TIE BAY:

345 kV GIS (pneumatic operating type) structure diagram TR BAY:

BACK