Shunt capacitor switch with an impedance insertion element

Details Shunt capacitor switch with an impedance insertion element Shunt capacitor switch with an impedance insertion element

1988-04-26

1988-11-29

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148A, H01H 3316

Patent

active

047883901

ABSTRACT:
A high voltage switch for switching capacitor banks in and out of a circuit. The switch includes two sets of contacts to perform the switching function. An impedance element is connected in parallel with one set of contacts. Upon closing of the switch current is caused to flow through the impedance element and one set of contacts, thereby preventing the switch from functioning as a short circuit. Subsequently, the second set of contacts engages and the switch can function as a short circuit to completely switch a capacitor bank into the circuit.

REFERENCES:
patent: 3143622 (1964-08-01), Fischer
patent: 3291947 (1966-12-01), Van Sickle
patent: 3576414 (1971-04-01), Mikos
patent: 3636292 (1972-01-01), Roth
patent: 3674956 (1972-07-01), Erni
patent: 4204101 (1980-05-01), Dethlefsen
patent: 4434332 (1984-02-01), Yanabu et al.
patent: 4488021 (1984-12-01), Yoshizumi
patent: 4500762 (1985-02-01), Yoshizumi
patent: 4568806 (1986-02-01), Frink

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