Single-stage power factor correction circuit

Details Single-stage power factor correction circuit Single-stage power factor correction circuit

2007-10-09

2007-10-09

Han, Jessica (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S021120, C363S021160, C363S037000

Reexamination Certificate

active

11493879

ABSTRACT:
The present invention discloses a single-stage power factor correction circuit that includes a first rectifier, a second rectifier, a full bridge rectifier, a capacitor, a seventh rectifier, a fly back transformer, and a switch. Unlike traditional single-stage power factor correction circuits, the present invention just needs to pass through two rectifiers at positive and negative half cycles, so as to reduce the conduction loss and lower the temperature of the power supply.

REFERENCES:
patent: 5734562 (1998-03-01), Redl
patent: 6038146 (2000-03-01), Luo et al.
patent: 6282103 (2001-08-01), Naito et al.

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