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http://dx.doi.org/10.5916/jkosme.2012.36.6.844

Bidirectional Zeta-Flyback Converter for Improved Efficiency  

Jung, Mun-Kyu (부산대학교 전자전기공학과)
Kwon, Young-Ahn (부산대학교 전기공학과)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.36, no.6, 2012 , pp. 844-849 More about this Journal
Abstract
In this paper, a bidirectional Zeta-Flyback converter is proposed. The topology of the proposed converter is analyzed, which is superposition of bidirectional Flyback converter mode and bidirectional Zeta converter mode in a cycle. The proposed converter allows power flow in either a forward direction or a backward direction. Bidirectional power flow is obtained by a transformer and components. The proposed converter's output is controlled by duty of constant frequency PWM of switch. Compared to conventional bidirectional isolated DC-DC converters, the proposed isolated bidirectional DC-DC converter has high power density and high transformer utilization. To confirm the proposed converter, the simulation and experimental results are presented.
Keywords
Bidirectional Zeta-Flyback converter; Pulse Width Modulation; efficiency; utilization;
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