Abstract
A novel soft-switching bidirectional dc-dc converter is proposed in this paper. In the proposed converter, zero-voltage-switching (ZVS) and Zero Current Switching (ZCS) are achieved by utilizing an auxiliary circuit, which consists of auxiliary switches, auxiliary inductor, diodes, and capacitors. Conduction losses is increases with increase in components. Switching losses are significantly reduced due to the ZVS operation of main switches. Therefore, total efficiency is improved. In addition, there is no reverse-recovery problem of the intrinsic body diodes of the main switches.
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