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由级联飞跨电容和浮动电容H桥组成的十七电平逆变器

Seventeen-Level Inverter Formed by Cascading Flying Capacitor and Floating Capacitor H-Bridges

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中文摘要

本文提出了一种利用三电平飞跨电容逆变器与级联浮动电容H桥模块相结合的十七电平逆变器拓扑。文章重点分析了电容电压平衡控制策略,并通过实验验证了该拓扑的性能与稳定性。

English Abstract

A multilevel inverter for generating 17 voltage levels using a three-level flying capacitor inverter and cascaded H-bridge modules with floating capacitors has been proposed. Various aspects of the proposed inverter like capacitor voltage balancing have been presented in the present paper. Experimental results are presented to study the performance of the proposed converter. The stability of the c...
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SunView 深度解读

该多电平拓扑通过增加输出电平数,能有效降低输出电压谐波(THD),减小滤波器体积,对阳光电源的高功率密度组串式逆变器及集中式逆变器研发具有参考价值。特别是在中高压光伏并网应用中,该技术有助于降低对功率器件耐压等级的要求,提升系统效率。建议研发团队重点评估其电容电压平衡控制的复杂性及在动态工况下的可靠性,探索其在大型地面电站或储能变流器(PCS)中实现更优电能质量的应用潜力。