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首页> 外文期刊>Power Electronics, IET >High-gain soft-switching interleaved switched-capacitor DC–DC converter with phase-shedding technique
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High-gain soft-switching interleaved switched-capacitor DC–DC converter with phase-shedding technique

机译：具有相位脱落技术的高增益软开关交错式开关电容器DC-DC转换器

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摘要

This study experimentally verifies the performance of a high-gain soft-switching interleaved switched-capacitor (ISC) DC-DC converter based on phase-shedding technique. Efficiency improvement especially under light load condition is achieved by introducing the phase-shedding technique, which adjusts the number of active interleaved converters based on the input power level. The interleaved configuration and modular characteristic of the converter increase the voltage gain as well as the current rating of the converter. Moreover, pulsating input current issue of conventional switched-capacitor converter is solved by the stray inductances distributed in the converter. The converter achieves high-voltage gain, improved efficiency, magnetic components free design and low output capacitance requirement. Simulation and experimental results taken from 1.5 kW prototype operating at 120 kHz are documented in this study to validate the operation and characteristics of the proposed ISC DC-DC converter.
机译：这项研究实验验证了基于相位脱落技术的高增益软开关交错式开关电容器（ISC）DC-DC转换器的性能。通过引入分相技术，可以实现效率的提高，尤其是在轻载条件下，该技术可以根据输入功率水平调整有源交错转换器的数量。转换器的交错配置和模块化特性提高了电压增益以及转换器的额定电流。此外，通过开关变换器中分布的杂散电感解决了常规开关电容器变换器的脉动输入电流问题。该转换器可实现高电压增益，更高的效率，无磁组件设计和低输出电容要求。在这项研究中记录了从1.5 kW原型机以120 kHz运行的仿真和实验结果，以验证所提出的ISC DC-DC转换器的运行和特性。

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