Load-shedding control for diesel-electric sets

Details Load-shedding control for diesel-electric sets Load-shedding control for diesel-electric sets

1975-08-25

1978-07-04

Smith, Jr., David

Electrical transmission or interconnection systems

Miscellaneous systems

Generator control systems

322 25, H02P 900

Patent

active

040990672

ABSTRACT:
A load-shedding control for diesel-electric motor-generator sets, which allows temporary overloads to be accommodated without engine lugging by reducing the line voltage if an attempt is made to draw more than a presettable maximum normal wattage. The line voltage reduction is accomplished by automatically increasing the impedance of the voltage regulator input circuit when a signal generally proportional to line voltage and load current exceeds a preset reference signal to which it is compared.

REFERENCES:
patent: 1969587 (1934-08-01), Suits
patent: 2119406 (1938-05-01), Stratton
patent: 2767364 (1956-10-01), Guggi
patent: 2877404 (1959-03-01), Zenner et al.
patent: 3242417 (1966-03-01), Bertschi
patent: 3351845 (1967-11-01), Roof et al.
patent: 3474323 (1969-10-01), Kilgore et al.
patent: 3663946 (1972-05-01), Iwaki

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