Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29639
Title: Analysis and design of a single-stage single-switch power-factor-corrected converter with direct power transfer
Authors: Lu, DC
Cheng, KW
Lee, YS
Keywords: AC/DC converter
Power factor correction
Single-stage
Storage capacitor voltage
Issue Date: 2003
Publisher: IEICE-Inst Electronics Information Communications Eng
Source: IEICE transactions on communications, 2003, v. e86-b, no. 12, p. 3606-3613 How to cite?
Journal: IEICE Transactions on Communications 
Abstract: By adding an auxiliary transformer to a single-stage single-switch power-factor-corrected converter (S4PFCC), the storage capacitor voltage and its range of voltage change against line voltage change are reduced. In addition, this transformer provides a direct power transfer path for input line to output load to increase the conversion efficiency. High power factor is maintained due to the elimination of dead angle of the input current. This paper presents detailed analysis and optimal design of a discontinuous conduction mode (DCM) boost-flyback S4PFCC with the auxiliary transformer. Experimental results for a 15V/60W prototype and with comparison to a S4PFCC without the auxiliary transformer are given to show the proposed approach effective.
URI: http://hdl.handle.net/10397/29639
ISSN: 0916-8516
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