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首页> 外文会议>Power Electronics and Motion Control Conference (IPEMC), 2012 7th International >Soft-switching analysis of a boost-integrated bidirectional dc/dc converter
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Soft-switching analysis of a boost-integrated bidirectional dc/dc converter

机译：升压集成双向dc / dc转换器的软开关分析

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The conventional dual active bridge (DAB) dc/dc converter can be appropriate for the systems with bidirectional power flow, but its output and input currents are discontinuous. Therefore, a boost-integrated soft-switching converter in which the output and input currents are continuous was proposed in this paper. The proposed converter has the advantages of symmetrical structure, galvanic isolation and simple control strategy, and it is suitable for the applications with low current ripple requirement. This paper analyzed the operation principle and zero-voltage-switching (ZVS) condition of the converter in detail. Specially, the ZVS condition was deduced on the basis of particular calculation and analysis of the resonant process that occurs at the moment of switching, which is in consideration of the junction capacitors of switches. Finally, a 1kW prototype converter was built to verify the theoretical analysis.
机译：传统的双有源桥（DAB）dc / dc转换器可能适用于具有双向功率流的系统，但其输出和输入电流是不连续的。因此，本文提出了一种输出电流和输入电流连续的升压集成式软开关转换器。所提出的转换器具有结构对称，电流隔离，控制策略简单的优点，适用于电流纹波要求低的应用。本文详细分析了转换器的工作原理和零电压开关（ZVS）条件。特别是，ZVS条件是根据对开关时发生的谐振过程的特定计算和分析得出的，这是考虑到开关的结电容而得出的。最后，构建了一个1kW的原型转换器以验证理论分析。

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