Enclosed high voltage circuit breaker

Details Enclosed high voltage circuit breaker Enclosed high voltage circuit breaker

1975-09-04

1978-01-10

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144AP, H01H 3322, H01H 3316

Patent

active

040681084

ABSTRACT:
An enclosed high voltage circuit breaker with a sulphur hexafluoride insulating and arc-extinguishing medium includes breaking gaps arranged in a high-pressure chamber which, during breaking is put into communication with a low-pressure chamber through blast valves. A closing resistor is connected in series at each end with a contact device which, upon closing, connects the resistor in parallel with the main breaking gaps before they are closed. The resistor contact device is arranged in the high-pressure chamber while the closing resistor is arranged in a separate tank substantially entirely separated from the low-pressure chamber.

REFERENCES:
patent: 2921168 (1960-01-01), Forwald
patent: 3275778 (1966-09-01), Morioka

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