Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29103
Title: Reduction of current and voltage stresses in single-stage AC/DC power factor correction converters with reduced repeated power processing and inherent input current control
Authors: Lu, DDC
Cheng, DKI
Lee, YS
Keywords: AC/DC
Boost
Converter
Flyback
Power factor correction
Single stage
Issue Date: 2004
Publisher: World Scientific Publ Co Pte Ltd
Source: Journal of circuits, systems and computers, 2004, v. 13, no. 3, p. 535-555 How to cite?
Journal: Journal of Circuits, Systems and Computers 
Abstract: In this paper, a new family of single-stage AC/DC power factor correction converters (S2PFCC), which possesses reduced voltage stress across the storage capacitor and no extra current stress on the power switch, is proposed. The converters are realized by reduced repeated power processing concept in which part of the input power is transferred to the load directly after the first power process. This results in lower storage capacitor voltage than that of previously developed S2PFCCs but maintaining high power factor. In addition, the inherent input current control allows the load current to reduce the input line current automatically when the load becomes light, preventing excessive amount of energy being stored in the storage capacitor. Although the proposed converters employed two power switches, a simple single-loop controller for the proposed S2PFCC to achieve power factor correction (PFC) and tight output regulation is also proposed. Experimental results are reported to verify the operation and concept of the new S2PFCC.
URI: http://hdl.handle.net/10397/29103
ISSN: 0218-1266
DOI: 10.1142/S0218126604001696
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