Apparatus and process for detecting direct current magnetic flux

Details Apparatus and process for detecting direct current magnetic flux Apparatus and process for detecting direct current magnetic flux

1988-09-20

1990-02-27

Strecker, Gerard R.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324726, 364483, G01R 3134

Patent

active

049049453

ABSTRACT:
An apparatus for detecting direct current magnetic flux deflection of an electrical transformer comprising a magnetic detector for generating an output voltage waveform and Fourier series developer connected to the magnetic detector for developing the output voltage waveform from the magnetic detector into a Fourier series. An even number harmonic detector is connected to the Fourier series developer for detecting an even number harmonic in the Fourier series, thereby determining the presence of a direct current magnetic flux deflection. A process for detecting direct current magnetic flux deflection is also disclosed.

REFERENCES:
patent: 3863109 (1975-01-01), Emanuel et al.
patent: 4027239 (1977-05-01), Kerns
patent: 4658213 (1987-04-01), Finley
patent: 4723220 (1988-02-01), Smith-Vaniz

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