DC Circuit breaker

Details DC Circuit breaker DC Circuit breaker

1982-09-30

1984-07-03

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148C, 200150B, 200150D, 200150E, 200144AP, H01H 3370, H01H 3359

Patent

active

044581211

ABSTRACT:
A DC circuit breaker of the type using a blown arc-extinguishing gas is disclosed which allows for reliable fast interruption of DC currents through the provision of arc extension current paths. The extension current paths are relatively long and are bent after the incidence of the arc-extinguishing gas on the arc. The arc is formed to extend for a long distance in a loop configuration. An auxiliary electrode short-circuits the extended arc with one auxiliary electrode being provided for each extension current path.

REFERENCES:
patent: 2227134 (1940-12-01), Hara
patent: 2267399 (1941-12-01), Farrar et al.
patent: 2714645 (1955-08-01), Salzer

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