Operating system for generator circuit-breakers

Details Operating system for generator circuit-breakers Operating system for generator circuit-breakers

1976-08-11

1978-02-21

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Arc suppression at switching point

361 13, H01H 942

Patent

active

040756734

ABSTRACT:
The invention concerns a system of several circuit-breakers controlling separate circuits fed by the same generator and in which the circuit-breakers are provided with a main cut-out chamber (C.sub.1, C.sub.2) in parallel with a series connection of an auxiliary cut-out chamber (E.sub.1, E.sub.2) and of a resistor (R.sub.1, R.sub.2). An operating sequence opens firstly the main chambers (C.sub.2) of all the circuit-breakers of circuits not affected by a failure, then, successively, the main chamber (C.sub.1) and the auxiliary chamber (E.sub.1) of the circuit-breaker of the circuit affected by the failure, and, lastly, closes the main chambers (C.sub.2) of the circuit-breakers of the circuits not affected by the failure.

REFERENCES:
patent: 1850321 (1932-03-01), Greenwood
patent: 3538278 (1970-11-01), Rathbun
patent: 3543047 (1970-11-01), Renfrew
patent: 3777178 (1973-12-01), Gratzmuller

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