Phase controlled regulator

Details Phase controlled regulator Phase controlled regulator

1986-04-14

1987-08-25

Salce, Patrick R.

Electricity: power supply or regulation systems

Output level responsive

Phase controlled switching using electronic tube or a three...

323300, G05F 1455

Patent

active

046895485

ABSTRACT:
A phase controlled regulator for selectively connecting a load to an AC source voltage such that substantially constant power is delivered to the load despite fluctuations in the magnitude of the source voltage is comprised of a circuit for detecting the zero crossings of the AC source voltage. A circuit produces a reference signal representative of a periodically increasing value in response to the zero crossings of the AC source voltage. A sensor produces a first signal representative of the instantaneous value of the AC source voltage. A comparator compares the reference signal with the first signal and produces an output signal when a predetermined relationship exists therebetween. A switch is responsive to the output signal for selectively connecting the load to the AC source voltage.

REFERENCES:
patent: 3519917 (1970-07-01), Martin
patent: 3621373 (1971-11-01), Mitchell et al.
patent: 3684947 (1972-12-01), Evalds et al.
patent: 3818320 (1974-06-01), Schindler
patent: 4004214 (1977-01-01), Evans
patent: 4160945 (1979-07-01), Schorr
patent: 4346339 (1982-08-01), Lewandowski
patent: 4516054 (1985-05-01), Shikama et al.
patent: 4593232 (1986-06-01), McEdwards

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