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A Fuel Cell Generation System with a New Active Clamp Sepic-Flyback Converter  

Lee, Won-Cheol (School of Information and Communication Engineering, Sungkyunkwan University)
Jang, Su-Jin (Hyosung Industry Research Center)
Kim, Soo-Seok (Department of Electrical Engineering, Seoul National University of Technology)
Lee, Su-Won (School of Information and Communication Engineering, Sungkyunkwan University)
Won, Chung-Yuen (School of Information and Communication Engineering, Sungkyunkwan University)
Publication Information
Journal of Power Electronics / v.9, no.1, 2009 , pp. 26-35 More about this Journal
Abstract
A high efficiency active clamp sepic-flyback converter is presented for fuel cell generation systems. The proposed converter is a superposition of a sepic converter mode and. flyback converter mode. The output voltages of the sepic converter mode and flyback converter mode can be regulated by the same PWM technique with constant frequency. By merging the sepic and flyback topologies, they can share the transformer, power MOSFET and active clamp circuit. The result has outstanding advantages over conventional active clamp DC-DC converters: high efficiency, high power density, and component utilization. Simulation results and experimental results are presented to verify the principles of operation for the proposed converter.
Keywords
Active clamp; Sepic-flyback converter; Fuel cell generation system;
Citations & Related Records

Times Cited By Web Of Science : 2  (Related Records In Web of Science)
Times Cited By SCOPUS : 4
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