Gas Insulated Switchgear ( GIS) 363Kv

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Lightweight enclosures of aluminum with good conductivity, no eddy-current losses and a high resistance to corrosion
Proven metal-to-metal flange connections, ensuring high gas tightness and return-current conductivity
Increased personnel safety and electromagnetic compatibility
Short erection times and high reliability, by providing large transport units assembled and tested in the factory

Rated voltage	363kV
Rated current	4000A
Rated frequency	50 Hz
Rated short-time withstand current(3s)	50kA 63kA
Rated peak withstand current	135 kA 171 kA
Rated short-circuit breaking current	50kA 63kA
Rated making current	135kA 171kA
Rated power frequency withstand voltage(1 min.)	520kV
Rated switching impulse withstand voltage	950kV
Rated lightning impulse withstand voltage	1175kV
Leakage rate/ year and gas compartment	≤0.5%
Operating sequence	O-0.3s-CO-180s-CO
Ambient temperature	-30…+40 ℃