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一种具有ZVS运行和宽线路调节范围的谐振双开关升压开关电容变换器系列

A Family of Resonant Two-Switch Boosting Switched-Capacitor Converter With ZVS Operation and a Wide Line Regulation Range

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中文摘要

本文提出了一系列具有零电压开关(ZVS)特性和宽线路调节范围的谐振双开关升压开关电容变换器(RTBSC)。该拓扑在原有TBSCs基础上引入小型谐振电感,并以较小的谐振电容替代大容量电容组,有效提升了功率密度与效率,适用于高升压比应用场景。

English Abstract

In this paper, a family of resonant two-switch boosting switched-capacitor converters (RTBSCs) with ZVS operation and a wide line regulation range is proposed. Based on our previously proposed two-switch boosting switched-capacitor converters (TBSCs), only a small resonant inductor is added, while two bulky capacitor banks are replaced by two much smaller resonant capacitors. Furthermore, by opera...
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SunView 深度解读

该技术通过谐振软开关技术优化了DC-DC变换效率,对阳光电源的组串式光伏逆变器(提升MPPT侧升压效率)及储能系统(如PowerTitan/PowerStack中的DC-DC环节)具有重要参考价值。引入小型化谐振元件替代大体积电容,有助于进一步缩小产品体积、提升功率密度,符合阳光电源产品轻量化、高效率的发展趋势。建议研发团队评估该拓扑在宽电压输入范围下的动态响应能力,以适配不同光伏组件及电池电压波动,提升系统整体并网效率。