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《Journal of South China University of Technology(Natural Science)》 2005-01
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A DCM Single-Stage High Power Factor Converter Based on Asymmetrical Half-Bridge Circuit

Yin Hua-jie Li Yi(College of Electric Power, South China Univ. of Tech., Guangzhou 510640, Guangd ong, China)  
The operation mode and characteristics of a single-stage AC/DC PFC (Power Facto r Correction) converter with an asymmetrical half-bridge topology are analyzed in this paper. The numerical simulation is then carried out by using the SIMetri x software, followed by an experiment of a prototype converter. The simulated an d experimental results show that the proposed single-stage PFC converter works in discontinuous conduction mode (DCM) and is of excellent PFC and soft-switchi ng performances with very high power factor and efficiency.
【CateGory Index】: TM464
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