Method and circuit for voltage regulation of DC power sources

Details Method and circuit for voltage regulation of DC power sources Method and circuit for voltage regulation of DC power sources

1988-05-12

1989-02-21

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363126, 322 25, 322 59, H02P 900

Patent

active

048071064

ABSTRACT:
Voltage regulation of a DC electrical power source having a generator with an exciter field coil for producing an AC output voltage which is rectified to produce a DC output voltage, is accomplished by producing voltage signals proportional to the AC output voltage of the generator and the current in the generator exciter field winding, and combining these signals to produce a control signal. An additional voltage signal proportional to the DC output voltage of the power source is compared to a DC reference voltage signal to produce a trim error voltage signal. The trim error voltage signal is combined with an AC reference signal to produce an additional control signal. These control signals are compared and the result of that comparison is used to control the current in the generator exciter field winding.

REFERENCES:
patent: 3668514 (1972-06-01), Peck
patent: 3996507 (1976-12-01), Chambers
patent: 4030017 (1977-06-01), Brown
patent: 4622629 (1986-11-01), Glennon
patent: 4658200 (1987-04-01), Kouge

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