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Design and Research of An Asymmetrical Half-Bridge Converter With Single-Stage Power Factor Correction

This thesis presents the design and implementation of a single-stage with high power factor asymmetrical half-bridge converter. The main structure combines a boost converter with an asymmetrical half-bridge. An Asymmetrical half-bridge converter has many advantages such as soft-switching properties and fewer components.
Therefore it is suitable for DC/DC cell. The boost converter is used in a PFC cell that operating in discontinuous condition mode have innate ability of power factor correction without additional controller. In this thesis, the complete analysis of operation principle and design of controller for the equivalent circuits of a single-stage AC/DC converter in every operating stage have been described in detail. Finally, we construct the single-stage circuit and experimental result show that it can reach the expected goal for power-factor correction.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-1020106-010125
Date20 October 2006
CreatorsChu, Hao-Ju
ContributorsTzuen-Lih Chern, Chih-Chiang Cheng, Jerome chang, Geeng-Kwei Chang, Far-Wen Jih
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-1020106-010125
Rightsnot_available, Copyright information available at source archive

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