Circuit-interrupters having shunting capacitance around the sepa

Details Circuit-interrupters having shunting capacitance around the sepa Circuit-interrupters having shunting capacitance around the sepa

1980-11-05

1983-05-10

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148R, 200144B, 200146R, 200145, H01H 3370, H01H 3366

Patent

active

043831508

ABSTRACT:
An improved circuit-interrupter of either the vacuum-type, or of the compressed-gas type, is provided having a shunting capacitance around, or electrically paralleling, the separable power contacts of the main power interrupter. In series with the said electrically-shunting capacitance is capacitor-isolating disconnecting switch, which interrupts the residual capacitance current at a subsequent point in time following the interruption of the main-power current in the main-power interrupting unit.
The present invention may be applied not only to vacuum interrupters, but also to compressed-gas circuit-interrupters of either the double-pressure gas type, or the single-pressure gas type, such as the so-called "puffer" gas type, creating gas flow by relative piston-and-cylinder operation.

REFERENCES:
patent: 2902570 (1959-09-01), Roxburgh et al.
patent: 3114816 (1963-12-01), Beatty
patent: 3174019 (1965-03-01), Jansson
patent: 3192440 (1965-06-01), Baltensperger
patent: 3508022 (1970-04-01), Chabala
patent: 3524957 (1970-08-01), Frink
patent: 3538278 (1970-11-01), Rathbun
patent: 3590190 (1971-06-01), Colclaser, Jr. et al.
patent: 3604869 (1971-07-01), Wilson
patent: 3895202 (1975-07-01), Okerman et al.
patent: 4027123 (1977-05-01), Ihara
patent: 4072836 (1978-02-01), Bischofberger et al.
patent: 4105880 (1978-08-01), Rapp et al.

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