High power factor conversion circuitry

Details High power factor conversion circuitry High power factor conversion circuitry

1977-05-04

1978-08-22

Smith, Alfred E.

Electric power conversion systems

Current conversion

With auxiliary bucking or boosting emf

331113A, 315205, 315220, 315224, 315247, 315DIG7, 315223, H02M 700

Patent

active

041093070

ABSTRACT:
A high power factor conversion circuit suitable as a ballast circuit for lamps includes a full-wave rectifier coupled to an AC potential source and providing a pulsating DC potential. A high frequency inverter is coupled to a load circuit and to a feedback rectifier circuit supplying a rectified high frequency potential to an energy storage feedback circuit which provides energy in a manner to inhibit a decline in the pulsating DC potential thereby providing a substantially uniform DC potential to the high frequency inverter.

REFERENCES:
patent: 4005335 (1977-01-01), Perper
patent: 4017785 (1977-04-01), Perper
patent: 4045711 (1977-08-01), Pitel

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