Power-factor improvement converter

Details Power-factor improvement converter Power-factor improvement converter

1996-10-30

1998-11-10

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363124, H02M 5257

Patent

active

058353682

ABSTRACT:
To improve the power conversion efficiency of a power circuit provided with a power-factor improvement converter and reduce the size, weight, and cost of the circuit, the power-factor improvement converter according to the invention is provided at a stage in front of the switching power circuit, in which a self-excited current resonant switching converter with a simple circuit construction is provided and the switching voltage thereof is fed back to the rectifying path via series resonant circuits so as to improve the power factor.

REFERENCES:
patent: 5640310 (1997-06-01), Yasumura

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