Load sharing system

Details Load sharing system Load sharing system

1978-01-09

1979-08-14

Hix, L. T.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Load current control

307 84, H02J 346, H02J 304, H02J 110

Patent

active

041646614

ABSTRACT:
Control systems for controlling load division among plural power sources coupled in parallel and providing power to a common load using feedback techniques. Control systems for various types of plural power sources are disclosed, including DC generators, hydraulic variable displacement pumps and AC generators driven by a constant speed drive. The outputs of the individual power sources are responsive and proportional to individual input control signals. The magnitude of a power component common to all the power sources or frequency, if the power sources are AC generators driven by constant speed drives, is compared to a reference to provide an error signal. Individual sensors sense the magnitude of a variable power component from each power source and provide a signal proportional thereto. Individual signals representing the variable power component are combined with the error signal to provide the individual control signals for each power source.

REFERENCES:
patent: 2782322 (1957-02-01), Hysler
patent: 2802952 (1957-08-01), Fairweather
patent: 2985765 (1961-05-01), Squires
patent: 3067334 (1962-12-01), Byloff
patent: 3511579 (1970-05-01), Gray
patent: 3719809 (1973-03-01), Fink
patent: 3902076 (1975-08-01), Meyers

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