High voltage sulfur hexafluoride circuit-breaker capable of oper

Details High voltage sulfur hexafluoride circuit-breaker capable of oper High voltage sulfur hexafluoride circuit-breaker capable of oper

1987-02-05

1988-04-19

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148G, 200150A, H01H 3368, H01H 3392

Patent

active

047391375

ABSTRACT:
A high voltage sulfur hexafluoride circuit-breaker capable of operating at low outside temperatures and comprising at least one current-interrupting chamber comprising a sealed insulating enclosure containing a fixed contact inside a blast nozzle and a set of moving contacts associated with an operating member, the circuit-breaker including the improvement of means for maintaining a quantity of liquefied gas in the vicinity of the contact separation zone while the circuit-breaker is in the closed position.

REFERENCES:
patent: 3110791 (1963-11-01), Aspey et al.
patent: 4273978 (1981-06-01), Rostron
patent: 4604508 (1986-08-01), Talpo

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