Load resistance measuring technique

Details Load resistance measuring technique Load resistance measuring technique

1986-07-17

1989-03-07

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 57Q, G01R 2700

Patent

active

048109509

ABSTRACT:
The resistance of an inductive load is measured by connecting an inductor to the load and applying a pulse of energy to the load and the inductor. The voltage across the inductor is monitored and the load voltage and current are measured when the inductor voltage passes through zero. The ratio of the voltage and current at the instant of zero crossing is equal to the load resistance value. An apparatus for performing this method is disclosed.

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patent: 3163818 (1964-12-01), Spaven
patent: 3609459 (1971-09-01), Thompson
patent: 3676739 (1972-07-01), Neuhouser
patent: 4164773 (1979-08-01), DeLacy
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patent: 4454555 (1984-06-01), DeLacy
patent: 4458196 (1984-07-01), Goyal
patent: 4482858 (1984-11-01), Plichta
H. H. Skilling, "Electrical Engineering Circuits", Chapter 3, Section 15, pp. 84-86.

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