Current and voltage probe for measuring harmonic distortion

Details Current and voltage probe for measuring harmonic distortion Current and voltage probe for measuring harmonic distortion

1995-10-03

1999-10-26

Brown, Glenn W.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Parameter related to the reproduction or fidelity of a...

324620, 324253, 324254, G01R 2320, G01R 3304

Patent

active

059735015

ABSTRACT:
A non-contact probe provides information as to relative amplitudes of harmonics of a current or voltage waveform as well as total harmonic distortion. The probe includes a non-contact sensor with an amplifier coupled thereto. Output signals from the amplifier are digitized and analyzed in a programmed processor. Output from the processor provides a display of relative harmonic amplitudes as well as an indicator of total harmonic distortion.

REFERENCES:
patent: 4395677 (1983-07-01), Petersdorf
patent: 4692703 (1987-09-01), Extance et al.
patent: 4695792 (1987-09-01), Roy
patent: 4818947 (1989-04-01), Zucker et al.
patent: 4843310 (1989-06-01), Friedl
patent: 5170114 (1992-12-01), Lowenstein et al.
patent: 5343404 (1994-08-01), Girgis
patent: 5365164 (1994-11-01), Lownstein et al.

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