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Transformer secondary leakage inductance based ZVS dual bridge DC/DC converter

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4 Author(s)
Dehong Xu ; Dept. of Electr. Eng., Zhejiang Univ., Hangzhou, China ; Min Chen ; Lou, J. ; Ma Luo

A novel zero voltage switching (ZVS) dual bridge dc/dc converter is presented. The proposed converter is composed of two dual-transistor-forward converter, coupled with a single high frequency transformer. ZVS is realized by introducing a proper leakage inductance to the secondary of the high frequency isolation transformer with a corporation of a designed pulse-width modulation control. Operation principle and ZVS condition of the proposed converter are analyzed. Experimental results obtained from a 3.2-kW prototype are given. Extensions of the proposed converter topologies and experimental results of one extension converter are presented.

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Power Electronics, IEEE Transactions on  (Volume:19 ,  Issue: 6 )