Gas insulated switch gear device

Details Gas insulated switch gear device Gas insulated switch gear device

1995-03-13

1997-06-10

Thompson, Gregory D.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

361618, H02B 500

Patent

active

056382545

ABSTRACT:
A gas circuit breaker 40 automatically interrupts a fault current such as ground fault current flowing through a conductor 61 of a bus line 60. A high speed grounding switch 10 performs a higher grounding and its releasing operation than the open and close operation of the gas circuit breaker 40 during the open and close operation thereof and guarantees the current interrupting performance and the inter-electrode insulation performance of the gas circuit breaker 40. In association with the electrode arrangement of a disconnecting switch 20, bus lines 60A and 60B are disposed in horizontal direction, a stationary electrode 13 of the high speed grounding switch 10 is provided at the constitutional unit 21 of the disconnecting switch 20 so as to locate on the same straight line as the central axis of the bus line and the movable electrode 11 at the ground side is closed along the same straight line as the central axis of the bus line. The stationary electrode 13 can be provided at a bent corner or a branching portion while locating the stationary electrode 13 and the movable electrode 11 on the same straight line as the center axis of the bus line. Thereby, durability of a gas insulated switch gear device provided with a high speed grounding switch is improved while reducing the entire size and the production cost thereof.

REFERENCES:
patent: 3778574 (1973-12-01), Clark
patent: 4038486 (1977-07-01), Meyer et al.
patent: 4215256 (1980-07-01), Sakaguchi et al.
patent: 4460937 (1984-07-01), Kamata et al.
patent: 4468716 (1984-08-01), Kamata et al.
patent: 5175667 (1992-12-01), Kondo

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