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Title: Performance considerations of PFC switching regulators based on non-cascading structures
Authors: Cheung, MKH
Chow, MHL 
Tse, CKM 
Issue Date: 2006
Source: PESC 2006 : 37th IEEE Power Electronics Specialists Conference, Jeju, South Korea, 18-22 June 2006, [p. 1-7]
Abstract: This paper discusses the characteristics of power-factor-correction (PFC) switching regulators of non-cascading structures in terms of efficiency, input current harmonic distortion, and load transient response. The discussion begins with simplified power flow diagrams of the non-cascading PFC switching regulators and describes their essential features for achieving power factor correction and tight voltage regulation. Based on these diagrams, the various configurations of switching regulators can be classified into three categories, each offering a different possibility of performance tradeoffs. The first category permits tradeoff between efficiency and input current harmonic contents, the second permits tradeoff between efficiency and load transient response, and the third allows tradeoffs among all performance areas. The paper briefly reviews the non-cascading structures of PFC switching regulators in terms of the three categories. Simulation and experimental results are provided to illustrate the performance tradeoffs in these PFC switching regulators.
Keywords: Cascade connections
Electric power factor correction
Electric switches
Energy efficiency
Transient analysis
Voltage control
Publisher: IEEE
ISBN: 0-7803-9716-9
Rights: © 2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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