A ZVZCS DC/DC Converter with Capacitive Output and Input-series Ouput-parallel (ISOP) Structure

Dong Liu, Yanbo Wang, Zhe Chen
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引用次数: 3

Abstract

This paper proposes a zero-voltage and zero-current switching (ZVZCS) DC/DC converter characterized by 1) capacitive output and 2) input-series output-parallel (ISOP) structure for the high input voltage and high-power applications. The proposed converter can reduce the circulating current and duty cycle loss in comparison with the conventional converter with the inductive output. More significantly, the proposed converter can also effectively reduce the ripple current on the secondary clamping capacitor. Therefore, the proposed converter can improve the reliability of the secondary clamping capacitor. The characteristics and performances of the proposed converter are analyzed in detail. Finally, the simulation results verify the proposed converter.
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具有电容输出和输入串联输出并联(ISOP)结构的ZVZCS DC/DC变换器
本文提出了一种零电压零电流开关(ZVZCS) DC/DC变换器,其特点是1)电容输出和2)输入串联输出并联(ISOP)结构,适用于高输入电压和大功率应用。与传统的电感输出变换器相比,该变换器可以减小循环电流和占空比损耗。更重要的是,该变换器还可以有效地减小二次箝位电容上的纹波电流。因此,该变换器可以提高二次箝位电容的可靠性。详细分析了该变换器的特性和性能。最后,仿真结果验证了所提出的变换器的有效性。
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