Apparatus and method for determining the resistance of a coil co

Details Apparatus and method for determining the resistance of a coil co Apparatus and method for determining the resistance of a coil co

1985-04-08

1987-03-17

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

324 62, 324158MG, G01R 2714, G01R 2702

Patent

active

046510869

ABSTRACT:
A method, and apparatus, for determining the resistance of the electrical connections between coils and the bars of a commutator for electric motors as well as the resistance of the coils themselves includes applying appropriate voltages to the commutator bars to simulate a cut in the winding thus permitting determination of the connection resistance independently of the coil resistance. After the connection resistance has been determined, the measurement of an additional voltage permits the determination of the coil resistance.

REFERENCES:
patent: 3927368 (1975-12-01), Zielonko
patent: 4178543 (1979-12-01), Wrinn
patent: 4400663 (1983-08-01), May

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