Vacuum interrupter with pressure monitoring means

Details Vacuum interrupter with pressure monitoring means Vacuum interrupter with pressure monitoring means

1976-07-23

1979-07-31

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

324122, 361120, 313187, H01H 3366

Patent

active

041631307

ABSTRACT:
A vacuum interrupter with pressure monitoring means wherein a pair of separable electrodes are arranged within a highly evacuated envelope and are connected to a high voltage circuit provided with a vacuum pressure detector element which has a pair of detector electrodes insulated from each other and serving to detect the pressure of the vacuum within the evacuated envelope. The vacuum pressure detector element has a voltage applied thereto in such a manner that one of the detector electrodes is conductively connected to the one end of the evacuated envelope to which the high voltage circuit is connected and the other detector electrode is connected to ground potential through a series connection member consisting of different sorts of voltage allotment elements which are selected from a resistance, an inductance, and a capacitor and whose voltage allotment ratio varies in dependence on frequency. A vacuum pressure detector means detects the operation of the vacuum pressure detector element.

REFERENCES:
patent: 3371854 (1968-03-01), Herb
patent: 3403297 (1968-09-01), Crouch
patent: 3411035 (1968-11-01), Necker et al.
patent: 3448337 (1969-06-01), Kawiecki
patent: 3543085 (1970-11-01), Pflanz et al.
patent: 3641359 (1972-02-01), McCarty

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