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Title: Fast-scale instability of single-stage power-factor-correction power supplies
Authors: Wu, Xiaoqun
Tse, C. K. Michael
Dranga, Octavian
Lu, Junan
Subjects: Bifurcation
DC-DC converter
Power factor correction (PFC)
Single-stage converter
Issue Date: Jan-2006
Publisher: IEEE
Source: IEEE transactions on circuits and systems. I, Regular papers, Jan. 2006, v. 53, no. 1, p. 204-213.
Abstract: This paper describes the fast-scale bifurcation phenomena of a single-stage power-factor-correction (PFC) power supply which is a cost effective design for low-power applications. The circuit employs a cascade configuration of a boost converter and a forward converter, which share an active switch and operate in discontinuous conduction mode, to provide input PFC and tight output regulation. Main results are illustrated by “exact” circuit simulations as well as theoretical analysis based on the use of Jacobians. This work provides a convenient means of predicting stability boundaries which can facilitate the selection of practical parameter values for maintaining stable operation.
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Type: Journal/Magazine Article
DOI: 10.1109/TCSI.2005.854293
ISSN: 1057-7122
Appears in Collections:EIE Journal/Magazine Articles

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