Single-stage power factor correction circuit

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

2008-10-09

2010-12-28

Laxton, Gary L (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S126000, C323S207000

Reexamination Certificate

active

07859863

ABSTRACT:
A single-stage power factor correction circuit includes a first rectifier, a second rectifier, a full bridge rectifier, a capacitor, a fly back transformer, and a switch. Unlike conventional 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, lower the temperature of the power supply, and control the voltage of the control energy storage capacitor, and stabilize voltage output.

REFERENCES:
patent: 6639813 (2003-10-01), Yamagishi et al.
patent: 6661684 (2003-12-01), Morita
patent: 6950319 (2005-09-01), Huber et al.
patent: 7280374 (2007-10-01), Huang

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