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

Woncheol Lee; Su-Jin Jang; Soo-Seok Kim; Su-Won Lee; Chung Yuen Won

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

Vol. 9, No. 1, pp. 26-35, Jan. 2009

10.6113/JPE.2009.9.1.26

Active clamp

sepic-flyback converter

Fuel Cell Generation System

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Abstract

A high efficiency active clamp sepic-flyback converter is presented for fuel cell generation system. 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 the 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.

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Cite this article

[IEEE Style]

W. Lee, S. Jang, S. Kim, S. Lee, C. Y. Won, "A Fuel Cell Generation System with a New Active Clamp Sepic-Flyback Converter," Journal of Power Electronics, vol. 9, no. 1, pp. 26-35, 2009. DOI: 10.6113/JPE.2009.9.1.26.

[ACM Style]

Woncheol Lee, Su-Jin Jang, Soo-Seok Kim, Su-Won Lee, and Chung Yuen Won. 2009. A Fuel Cell Generation System with a New Active Clamp Sepic-Flyback Converter. Journal of Power Electronics, 9, 1, (2009), 26-35. DOI: 10.6113/JPE.2009.9.1.26.