Single pole trip and ganged pole closing for multiphase high-vol

Details Single pole trip and ganged pole closing for multiphase high-vol Single pole trip and ganged pole closing for multiphase high-vol

1976-06-18

1980-03-25

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 50C, 200148F, 200148B, 335166, H01H 300

Patent

active

041952111

ABSTRACT:
A high-voltage power circuit breaker contains a plurality of phases which are contained in respective separate tanks which may be filled with sulfur hexafluoride. Each phase contains a respective trip-free contact operating mechanism connected to the interrupter contacts within the tank. Each of the trip-free operating mechanisms are closed simultaneously by a pneumatic closing mechanism contained in only one of the poles and connected to the other pole operating mechanisms by a common operating rod. Each of the poles are simultaneously closed by the pneumatic operating mechanism, and each pole can open independently of the other poles through its own trip-free operating mechanism.

REFERENCES:
patent: 2573256 (1951-10-01), Forwald
patent: 3391358 (1968-07-01), Bratkowski
patent: 4123635 (1978-10-01), Rostron

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