AC/DC current detecting method

Details AC/DC current detecting method AC/DC current detecting method

1992-03-27

1993-06-29

Wieder, Kenneth A.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With coupling means

324117R, 336174, G01R 3300

Patent

active

052237893

ABSTRACT:
An AC/DC current detection method that can detect small and large changes in current, by employing a high-frequency excitation current applied to a coil wrapped around an annular iron core. The change in this value is determined for operation in the region of the coercive force of the iron core or as the change in an extreme value thereof.

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