Bridgeless power factor corrector circuit and control method...

Details Bridgeless power factor corrector circuit and control method... Bridgeless power factor corrector circuit and control method...

2007-12-04

2007-12-04

Vu, Bao Q. (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

C323S282000, C323S284000

Reexamination Certificate

active

11493782

ABSTRACT:
The present invention discloses a bridgeless rectified power factor corrector circuit and control method thereof. The bridgeless rectified power factor corrector circuit includes a power factor corrector inductor, two diode rectifiers, a control unit, two power MOS switches and an energy-storage capacitor to define a complete booster circuit. Unlike the traditional control method of a bridgeless rectified power factor corrector circuit, the control method of the invention has lower conduction loss and higher conversion efficiency.

REFERENCES:
patent: 4384321 (1983-05-01), Rippel
patent: 5519306 (1996-05-01), Itoh et al.
patent: 5550458 (1996-08-01), Farrington et al.
patent: 5856919 (1999-01-01), Moriarty, Jr.
patent: 5894214 (1999-04-01), Jiang
patent: 6028418 (2000-02-01), Jovanovic et al.
patent: 6525513 (2003-02-01), Zhao
patent: 7116087 (2006-10-01), Zhang et al.

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