Electric circuit breaker with high current interruption capabili

Details Electric circuit breaker with high current interruption capabili Electric circuit breaker with high current interruption capabili

1977-11-17

1979-06-26

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Arc suppression at switching point

200144B, 200148R, 361 5, 361 14, H02H 722, H01N 3366

Patent

active

041594983

ABSTRACT:
Current interruption capability for short-line or terminal faults is achieved by connecting a fluid blast interrupter in series with a high current vacuum interrupter capable of withstanding the initial recovery voltage during such fault. The fluid blast breaker ultimately becomes able to carry the total recovery voltage by delaying opening of the vacuum interrupter for a fixed interval after opening of the fluid blast breaker has been triggered.

REFERENCES:
patent: 3244842 (1966-04-01), Kameyama et al.
patent: 3641359 (1972-02-01), McCarty
patent: 3678335 (1972-07-01), Pucher
patent: 3751678 (1973-08-01), Kawasaki et al.
patent: 3982088 (1976-09-01), Porter
patent: 4087664 (1978-05-01), Weston

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