Hybrid circuit breaker with varistor in parallel with vacuum int

Details Hybrid circuit breaker with varistor in parallel with vacuum int Hybrid circuit breaker with varistor in parallel with vacuum int

1977-06-22

1980-05-20

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200145, 200144B, 200148R, H01N 3316

Patent

active

042041015

ABSTRACT:
A hybrid circuit breaker consisting of a vacuum interrupter connected in series with an SF.sub.6 interrupter has a zinc oxide varistor connected in parallel with the vacuum interrupter. The capacitance to ground of the SF.sub.6 interrupter is higher than the capacitance to ground of the vacuum interrupter.

REFERENCES:
patent: 2279040 (1942-04-01), Grosse
patent: 3147356 (1964-09-01), Luehring
patent: 3174019 (1965-03-01), Jansson
patent: 3244842 (1966-04-01), Kameyama et al.
patent: 3982088 (1976-09-01), Porter
patent: 4087664 (1978-05-01), Weston

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