Apparatus for detecting direct current magnetic flux deflections

Details Apparatus for detecting direct current magnetic flux deflections Apparatus for detecting direct current magnetic flux deflections

1988-09-20

1990-04-10

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324726, G01R 3106, G01R 3134

Patent

active

049164023

ABSTRACT:
An apparatus for detecting direct current magnetic flux deflection of an electrical transformer comprising a magnetic detector for generating an output voltage waveform, an integrator connected to the magnetic detector for integrating the output voltage waveform from the magnetic detector. Positive and negative peak value detectors are connected to the integrator for detecting positive and negative peak values of the output voltage waveform integrated by the integrator. A comparator connected to the positive and the negative peak value detectors compares the positive and the negative peak values to provide a peak difference.

REFERENCES:
patent: 3714545 (1973-01-01), Chiffert
patent: 3863109 (1975-01-01), Emanuel et al.
patent: 4147972 (1979-04-01), Hochstetter
patent: 4158168 (1979-06-01), Harrold
patent: 4300095 (1981-11-01), Rhodes
patent: 4456875 (1984-06-01), Chenier
patent: 4658213 (1987-04-01), Finley

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