Power switchgear

Details Power switchgear Power switchgear

1982-05-20

1984-01-31

Goldberg, E. A.

Electricity: circuit makers and breakers

Liquid contact

Time delay

335201, H01H 930

Patent

active

044291981

ABSTRACT:
A power switchgear is equipped with a stationary contact and contact-maker, a movable contact and contact-maker, a commutating electrode and an arc runner. The elements are constructed and arranged such that when the contacts open, the resultant arc will be quickly driven from the contacts to the commutating electrode and arc runner, to increase the life of the contacts and shorten the arcing time.

REFERENCES:
patent: 2310056 (1943-02-01), Bendz
patent: 2356039 (1944-08-01), Ellis et al.
patent: 4080520 (1978-03-01), Muller
patent: 4237355 (1980-12-01), Fenchant et al.
Pollmann, Fritz, et al., "Motor Contactors of Compact Design for the World Market," Siemens Review, vol. XLI, Dec. 1974, No. 12, pp. 562-566.
Aspinall, R., "How to Design A.C. Contactors for Improved Service Performance," Electrical Review, Apr. 2, 1971, pp. 441 to 443.

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