Transformer voltage regulator responsive to input variations

Details Transformer voltage regulator responsive to input variations Transformer voltage regulator responsive to input variations

1976-03-26

1977-03-22

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

323 62, G05F 500, G05F 124

Patent

active

040139417

ABSTRACT:
A voltage regulator apparatus for controlling a voltage at the output side of a line in accordance with variations of the voltage at the input side of the line. The voltage regulator includes a transformer having a primary winding and a secondary winding, the secondary winding being inserted in the line. Control circuitry is provided for controlling the switching of the primary winding to the input side of the line, which control circuitry includes a series connected saturable inductor having a predefined saturation level and a rectifier connected to the input side of the line. Sensing circuitry is provided which is responsive to a predefined voltage at the output of the rectifier occurring when the inductor is in the saturated condition, the sensing circuitry being nonresponsive to the voltage at the output terminal of the rectifier when the inductor is in an unsaturated state. A responsiveness of the sensing circuitry to the output voltage of the rectifier effects an altering of the control circuitry to either connect the primary winding to the input side of the line or a shorting out of the primary winding.

REFERENCES:
patent: 1654948 (1928-01-01), Thompson
patent: 2755429 (1956-07-01), Scherer
patent: 2994030 (1961-07-01), Diebold
patent: 3018431 (1962-01-01), Goldstein
patent: 3075138 (1963-01-01), Croft et al.
patent: 3350631 (1967-10-01), Ingman
patent: 3379860 (1968-04-01), May
patent: 3419788 (1968-12-01), May
patent: 3611117 (1971-10-01), Schneider
patent: 3732486 (1973-05-01), Schoendube

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