Circuitry for testing generator output

Details Circuitry for testing generator output Circuitry for testing generator output

1984-07-06

1987-07-21

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

322 99, G01R 3100, H02K 1100

Patent

active

046821031

ABSTRACT:
This invention relates to a circuitry for easily and quickly testing the output current capacity of a generator by connecting the generator as a controlled current source, applying to the generator's field terminals an independent voltage proportioned relative to the rated output voltage of the generator, connecting an ammeter across the output terminals of the generator, the ammeter reading being calibrated to be equal to the reciprocal of the proportioned voltage, thus providing a direct reading of output current capacity representing the full output capacity of the generator. This circuitry greatly reduces the size and cost of a holding fixture and related components to make possible a low cost generator tester.

REFERENCES:
patent: 836359 (1906-11-01), Behrend
patent: 2578694 (1951-12-01), Goldman
patent: 2640100 (1953-05-01), Packer et al.
patent: 2841768 (1958-07-01), Robinson
patent: 3215935 (1965-11-01), Mead et al.
patent: 3893029 (1975-07-01), Vensel et al.
patent: 3999127 (1976-12-01), Siegl
patent: 4070624 (1978-01-01), Taylor
Fitzgerald, A. et al., Electric Machinery, 3rd ed., pp. 292-300.

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