Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26462
Title: Stability analysis of complete two-stage power-factor-correction power supplies
Authors: Dranga, O
Tse, CK 
Wong, SC 
Issue Date: 2005
Source: Proceedings of the 2005 European Conference on Circuit Theory and Design, 2005, v. 1, 1522939, p. 177-180 How to cite?
Abstract: Power-factor-correction (PFC) power supplies are required to provide high input power factor and tight output voltage regulation. The usual configuration takes a two-stage cascade structure, consisting of a PFC preregulator and a dc/dc converter. Previous studies of the dynamical behaviour mainly focused on the boost PFC preregulator, assuming that it is being terminated by a resistive load. However, in practice, as the PFC preregulator is terminated by a dc/dc converter whose characteristics differ from resistive load's, the assumption of resistive load termination gives rather inaccurate information about the stability of the system. In this paper we study the complete two-stage PFC power supply and show that the interaction between the PFC stage and the dc/dc converter stage plays an important role in determining the stability of the system.
Description: 2005 European Conference on Circuit Theory and Design, Cork, 28 August-2 September 2005
URI: http://hdl.handle.net/10397/26462
ISBN: 0780390660
9780780390669
DOI: 10.1109/ECCTD.2005.1522939
Appears in Collections:Conference Paper

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