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Quasi-active power factor correction using transformer-assisted driving voltage

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2 Author(s)
Athab, H.S. ; Fac. of Eng., Multimedia Univ., Cyberjaya, Malaysia ; Lu, D.D.-C.

This paper presents a novel simple input current shaper based on a quasi-active power factor correction (PFC) scheme. In this method high power factor and low harmonic content are achieved by providing an auxiliary PFC circuit with a driving voltage derived from a third winding of the transformer of a DC-DC flyback converter. It eliminates the use of active switch and control circuit for PFC. Operating principles, analysis, and simulation results of the proposed method are presented.

Published in:

Circuits and Systems, 2009. ISCAS 2009. IEEE International Symposium on

Date of Conference:

24-27 May 2009