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首页> 外文期刊>Power Electronics, IET >Interleaved high step-up zero-voltage zero-current switching boost DC–DC converter
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Interleaved high step-up zero-voltage zero-current switching boost DC–DC converter

机译:交错式高升压零电压零电流开关升压DC-DC转换器

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摘要

In this study, an interleaved soft switching boost converter suitable for high step-up applications is proposed. Zero voltage switching and zero current switching characteristics could be provided for main switches and main diodes, simultaneously. Also, the auxiliary semiconductors can achieve soft switching. Since all the utilised diodes operate under soft-switching conditions, the diodes reverse recovery problem is perfectly alleviated. Due to the unique operation of the proposed topology, the converter is controlled by variant switching frequency and high voltage ratios can be achieved. Further, the precise theoretical analyses and design procedure of the converter have been investigated utterly. Finally, according to the designed characteristics, a laboratory prototype with 60 V input voltage and 300 V output voltage is built and tested, which is in agreement with theoretical analyses.
机译:在这项研究中,提出了一种适用于高升压应用的交错式软开关升压转换器。可以同时为主开关和主二极管提供零电压开关和零电流开关特性。而且,辅助半导体可以实现软开关。由于所有使用的二极管均在软开关条件下工作,因此可以完全缓解二极管反向恢复问题。由于所提出拓扑的独特操作,该转换器由各种开关频率控制,并且可以实现高电压比。此外,还对转换器的精确理论分析和设计程序进行了深入研究。最后,根据设计特征,构建并测试了输入电压为60 V,输出电压为300 V的实验室原型,这与理论分析相符。

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