Hybrid-type interrupting apparatus

Details Hybrid-type interrupting apparatus Hybrid-type interrupting apparatus

1981-08-14

1984-02-28

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144B, 200148R, H01H 3316

Patent

active

044343329

ABSTRACT:
A current interruption apparatus comprises a series-connected combination of at least one vacuum interrupter and at least one gas-blast interrupter. Each vacuum interrupter is coupled in parallel with a non-linear resistor, while each gas-blast interrupter is coupled in parallel with a capacitor. During the initial period of the recovery voltage developed upon current interruption, most of the recovery voltage is applied to the vacuum interrupter. After the instant at which the non-linear resistor represents its constant voltage characteristics, the SF.sub.6 gas-blast interrupter will take the largest portion of the entire voltage increased thereafter.

REFERENCES:
patent: 3814882 (1974-06-01), Harrold
patent: 3982088 (1976-09-01), Porter
patent: 4027123 (1977-05-01), Ihara
patent: 4087664 (1978-05-01), Weston
patent: 4204101 (1980-05-01), Dethlefsen

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