Automatic voltage regulation system for AC generator

Details Automatic voltage regulation system for AC generator Automatic voltage regulation system for AC generator

1982-05-20

1984-03-20

Hickey, R. J.

Electricity: single generator systems

Automatic control of generator or driving means

Voltage of generator or circuit supplied

322 23, 322 24, 322 73, H02P 900, H02P 910

Patent

active

044383851

ABSTRACT:
An output voltage of an AC generator is produced through a full-wave rectifier and converted into a digital signal by an A/D converter. This digital signal is compared with a reference signal, and in accordance with the difference therebetween, the firing angle of a thyristor is controlled to regulate the field current. Synchronous point detectors detect a synchronous point of the output voltage of the AC generator. A microprocessor computes a firing angle of the thyristor in accordance with the difference between the digital signal and the reference signal and produces a signal representing the computed firing angle upon detection of the synchronous point. The thyristor is fired at the firing angle computed by the microprocessor.

REFERENCES:
patent: 4322630 (1982-03-01), Mezera et al.
patent: 4326159 (1982-04-01), Aotsu et al.
patent: 4329637 (1982-05-01), Kotake et al.
patent: 4399397 (1983-08-01), Kleinschmidt, Jr.

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