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Soft-Switching High Step-Up/Down Bidirectional DC__C Converter
IEEE Transactions on Industrial Electronics ( IF 7.5 ) Pub Date : 8-14-2018 , DOI: 10.1109/tie.2018.2863216
Zahra Hosseinzadeh , Navid Molavi , Hosein Farzanehfard

A nonisolated bidirectional dc-dc converter with high voltage gain, low voltage stress, low component count, and soft-switching features is presented in this paper. In this topology, coupled inductors and voltage multiplier cells are merged to achieve high step-up/down voltage gain. Also, due to using active clamp circuits, the voltage stress of power switches is relatively low. Thus, the low voltage switches with low on-resistance can be employed to reduce the conduction losses. Furthermore, zero-voltage switching is accomplished in both high step-up and high step-down modes for all power switches, and due to zero-current switching operation of all antiparallel diodes, the reverse recovery losses are reduced. In order to verify the theoretical analysis and the converter performance, a 200 W prototype circuit of the proposed converter is implemented in the laboratory.

中文翻译:


软开关高升压/降压双向 DC__C 转换器



本文提出了一种具有高电压增益、低电压应力、低元件数量和软开关特性的非隔离式双向 DC-DC 转换器。在此拓扑中,耦合电感器和电压倍增器单元合并以实现高升压/降压电压增益。另外,由于采用有源钳位电路,功率开关的电压应力相对较低。因此,可以采用低导通电阻的低压开关来降低传导损耗。此外,所有功率开关在高升压和高降压模式下均实现零电压开关,并且由于所有反并联二极管的零电流开关操作,减少了反向恢复损耗。为了验证理论分析和转换器性能,在实验室中实现了所提出转换器的 200 W 原型电路。
更新日期:2024-08-22
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