Conduction loss Reduction Technique for a High Efficiency Phase Shift Full Bridge Converter

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A conduction loss reduction technique for a high efficiency phase shift full bridge converter with clamp diodes is proposed in this paper. The proposed technique can be implemented simply by adding a small resonant capacitor beside the leakage inductor of transformer. Since the voltage across the small resonant capacitor is applied to the small leakage inductor of transformer during freewheeling period, the primary current can be decreased rapidly. This results in the reduced conduction loss on the secondary side of transformer. The proposed technique can guarantee the wide ZVS ranges. The operational principles and analysis are presented. Experimental results show that the proposed reduction technique of conduction loss can be operated properly.
Publisher
KIPE
Issue Date
2009-07
Language
ENG
Citation

2009년도 전력전자학술대회, pp.253 - 255

URI
http://hdl.handle.net/10203/162719
Appears in Collection
EE-Conference Papers(학술회의논문)
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