Acoustic diagnostic system for contacts in power distribution sy

Details Acoustic diagnostic system for contacts in power distribution sy Acoustic diagnostic system for contacts in power distribution sy

1978-02-21

1979-06-26

Tokar, M.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 28CB, G01R 3102

Patent

active

041594460

ABSTRACT:
An acoustic diagnostic system for detecting misalignment of switch blade contacts in power distribution systems is disclosed. In accordance with one embodiment of the present invention, the high frequency component of the acoustic signal generated by the make and break of electrical contacts in high energy power distribution equipment is filtered and demodulated to produce a waveform from which significant timing information is provided. A method for producing these waveforms is also disclosed.

REFERENCES:
patent: 3495174 (1970-02-01), Marek
patent: 3612985 (1971-10-01), Rockett
patent: 3947758 (1976-03-01), Sutton

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