Acoustic waveguides for sensing and locating corona discharges

Details Acoustic waveguides for sensing and locating corona discharges Acoustic waveguides for sensing and locating corona discharges

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

041581687

ABSTRACT:
Apparatus for detecting and locating corona discharges within electrical apparatus. A continuous acoustic waveguide is disposed within the tank in proximity with the electrical apparatus and has first and second ends respectively coupled to first and second acoustic sensors. Acoustic emissions from a source of corona discharge within the electrical apparatus impinge upon the surface of the acoustic waveguide and are transmitted from any point thereon to the ends of the waveguide.

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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