Low ripple, high power factor a-c to d-c power supply

Details Low ripple, high power factor a-c to d-c power supply Low ripple, high power factor a-c to d-c power supply

1985-11-18

1987-03-31

Salce, Patrick R.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

315265, 315283, 363 61, 363126, H02M 114

Patent

active

046547746

ABSTRACT:
A direct-current power supply circuit for gas discharge lamps includes a rectifier-capacitor bridge having a pair of input terminals and a pair of output terminals. A series input inductor is connected to one of the input terminals of the rectifier-capacitor bridge, and a pair of feedback diodes is connected to the output terminals of the rectifier bridge to provide a feedback signal to the series input inductor to control ripple of d-c output from said bridge and power factor of the a-c input to said bridge.

REFERENCES:
patent: 2524220 (1950-10-01), Elmlund et al.
patent: 3096464 (1963-07-01), Lemmers
patent: 3233148 (1966-02-01), Lake
patent: 3787751 (1974-01-01), Farrow
patent: 4045708 (1977-08-01), Neal
patent: 4092564 (1978-05-01), Soileau
patent: 4222096 (1980-09-01), Capewall
Lake, "Voltage Doubler Current Regulating Power Supply for Operation of Discharge Lamps", General Electric Report #437-178.

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