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基于多源开关电容的升压多电平逆变器

Multisource Switched Capacitor Based Boost Multilevel Inverter for Photovoltaic-Based Systems

语言:

中文摘要

本文提出了一种基于多源开关电容的升压多电平逆变器拓扑。该方案具有元件数量少、升压增益高、电容自充电能力强以及滤波元件尺寸小等优势。文中详细讨论了该转换器的工作模式及设计准则,并进行了全面的对比研究。

English Abstract

In this paper, a multisource switched capacitor based boost multilevel inverter is proposed. The proposed topology features less number of components, high gain, self-charging capability of capacitors, reduced size of filter components. The modes of operation of the proposed converter and design guidelines of converter components are discussed. A comprehensive comparative study of the proposed con...
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SunView 深度解读

该拓扑通过开关电容技术实现了高升压比,对阳光电源的组串式逆变器(如SG系列)具有重要的参考价值。在高压光伏组件应用场景下,该技术可有效减少对前级DC-DC升压电路的依赖,降低系统复杂度和体积,提升功率密度。同时,其多电平特性有助于改善输出波形质量,降低滤波成本。建议研发团队关注该拓扑在户用及工商业光伏逆变器中的应用潜力,重点评估其在不同光照条件下的效率表现及电容电压平衡控制的鲁棒性,以优化产品成本与性能平衡。