Low-distortion line voltage regulator

Details Low-distortion line voltage regulator Low-distortion line voltage regulator

1985-08-20

1987-09-08

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Using a transformer or inductor as the final control device

323344, 363101, G05F 126

Patent

active

046926860

ABSTRACT:
An AC voltage regulator maintains a predetermined, desired output voltage despite changes in the input voltage, the load, or other operating conditions. The regulator generates an AC reference voltage signal of the same frequency and in phase with the input voltage, and having an amplitude proportional to the predetermined, desired output voltage. The AC reference voltage signal is compared instantaneously to a portion of the actual output voltage to determine an error between the actual output voltage and the predetermined, desired output voltage. The error is instantaneously corrected by altering the actual output voltage to conform to the predetermined, desired output voltage.

REFERENCES:
patent: 3596172 (1971-07-01), Harrison
patent: 3611117 (1971-10-01), Schneider
patent: 3614595 (1971-10-01), Paulden
patent: 4178539 (1979-12-01), Crapo
patent: 4352055 (1982-09-01), McCartney

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