Voltage measuring device for an encapsulated high-voltage switch

Details Voltage measuring device for an encapsulated high-voltage switch Voltage measuring device for an encapsulated high-voltage switch

1974-08-08

1976-02-17

Chatmon, Jr., Saxfield

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Using radiant energy

324 60C, 324 97, 324 72, 350150, G01R 3100

Patent

active

039394123

ABSTRACT:
A voltage measuring device for use with an encapsulated, high-voltage switching installation including an inner conductor within a grounded metallic outer tube. The measuring device includes means for widening the outer tube, thereby providing a space for locating certain portions of the measuring device. Positioned in the space formed by the widening means is an auxiliary electrode means, insulated from the outer tube, which forms a capacitor with the inner conductor. Measuring means and servo-indicating means are connected in various ways to the capacitor formed by the auxiliary electrode means and the inner conductor. These measuring means respond to variations in the electrical characteristics of the capacitor thus formed to thereby give an indication of the voltage of the inner conductor.

REFERENCES:
patent: 3175151 (1965-03-01), Gurry
patent: 3253207 (1966-05-01), Jauch
patent: 3543151 (1970-11-01), Pelenc et al.
patent: 3810013 (1974-05-01), Muller

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