Non-Isolated Bidirectional DC-DC Soft-Switching Converter without Auxiliary Switches

D. Alizadeh, E. Babaei
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引用次数: 0

Abstract

This paper proposes a new topology of soft-switching bidirectional converters family with ZVZCS switching capability. In this converter, the series LC is used to create resonance for soft-switching conditions. The proposed converter has a low current ripple, which causes to reduces the conduction losses, thus increasing efficiency. Due to the specific structure of the proposed converter, the voltage stress of switches is reduced. In this converter, the main inductor is used in the buck side to reduce the output current ripple and achieve continuous current. The proposed converter is examined and analyzed using theoretical relations in all operation modes and then compared with a series of conventional converters presented in this field so far. Finally, the proposed converter is simulated in PSCAD/EMTDC, and its performance is verified through simulation results.
无辅助开关的非隔离双向DC-DC软开关变换器
本文提出了一种具有ZVZCS开关能力的软开关双向变换器的新拓扑结构。在该变换器中,LC系列用于在软开关条件下产生谐振。该变换器具有低纹波电流,降低了导通损耗,从而提高了效率。由于该变换器的特殊结构,减小了开关的电压应力。该变换器在降压侧采用主电感,减小输出电流纹波,实现电流连续。利用各种工作模式下的理论关系对所提出的变换器进行了检验和分析,并与该领域迄今提出的一系列传统变换器进行了比较。最后,在PSCAD/EMTDC中对该变换器进行了仿真,通过仿真结果验证了其性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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