Power factor correction circuit

Details Power factor correction circuit Power factor correction circuit

2006-06-13

2006-06-13

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

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

Reexamination Certificate

active

07061779

ABSTRACT:
A power factor correction circuit structure is described. The power factor correction circuit comprises a series connection of a first winding, a diode, an inductor and a first capacitor. The polarity of the first winding is opposite to that of the primary winding. A second capacitor is connected to the primary winding to control the primary winding and build a voltage across the first capacitor. This voltage is transferred to the first winding through the transformer to boost the first capacitor voltage and improve the power factor.

REFERENCES:
patent: 6314002 (2001-11-01), Qian et al.
patent: 6473318 (2002-10-01), Qian et al.
patent: 6714425 (2004-03-01), Yamada et al.
patent: 2004/0151009 (2004-08-01), Yang

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