Corona testing apparatus including acoustic waveguides for trans

Details Corona testing apparatus including acoustic waveguides for trans Corona testing apparatus including acoustic waveguides for trans

1977-12-06

1979-06-12

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 54, G01R 3108, G01R 3112

Patent

active

041581695

ABSTRACT:
Apparatus for detecting and locating corona discharges within the tank of an electrical apparatus. Acoustic waveguides are disposed within a tank of an electrical apparatus, with each having one end situated in proximity with a portion of the electrical apparatus to transmit acoustic emissions from the source of a corona or partial discharge to acoustic sensors located at remote locations.

REFERENCES:
patent: 2402544 (1946-06-01), Foulds
patent: 3331023 (1967-07-01), Adkins et al.
patent: 3505597 (1970-04-01), Cronin et al.
patent: 3597683 (1971-08-01), Saito et al.
patent: 3612992 (1971-10-01), Cronin
patent: 3622872 (1971-11-01), Boaz
patent: 3678339 (1972-07-01), Sun et al.
patent: 3777189 (1973-12-01), Skinner et al.

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