Medium tension circuit breaking having high nominal current

Details Medium tension circuit breaking having high nominal current Medium tension circuit breaking having high nominal current

1990-05-21

1991-02-26

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148R, H01H 3388

Patent

active

049963988

ABSTRACT:
A dielectric blast gas circuit breaker comprising a main fixed contact, a main arcing contact, and moving equipment including, in particular, a moving arcing contact and blast means, wherein the circuit breaker includes a moving main contact which is disunited from the moving equipment and which is implemented by means of a short cylindrical element associated with means communicating a speed thereto during circuit breaking which is lower than the speed of the moving equipment. The invention is applicable to medium tension circuit breakers having a high nominal current, such as the circuit breakers used in a power station.

REFERENCES:
patent: 3271548 (1966-09-01), Kesselring

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