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一种具有单级集成动态电压升压功能的新型有源中点钳位五电平逆变器

A Novel Active Neutral Point-Clamped Five-Level Inverter With Single-Stage-Integrated Dynamic Voltage Boosting Feature

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中文摘要

本文提出了一种新型有源中点钳位(ANPC)五电平逆变器拓扑,通过单级集成方式实现了动态电压升压功能。该拓扑旨在解决传统多电平逆变器直流侧电压利用率低的问题,在保持双向功率流能力、降低共模电压和漏电流的同时,提升了电路设计的简洁性与系统整体效率。

English Abstract

Applications of mid-point-clamped multilevel inverters, e.g., active neutral point-clamped (ANPC) or stacked multicell (SMC) converters, have been significantly broadened in recent years due to better performance, reduced common-mode voltage and leakage current, bidirectional power flow capability, and simplicity in the circuit design. Nonetheless, the dc-link voltage utilization factor is only 50...
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SunView 深度解读

该拓扑通过单级集成升压技术,有效提升了直流侧电压利用率,这对阳光电源的组串式逆变器(如SG系列)和大型集中式逆变器具有重要参考价值。在光伏发电场景中,该技术可减少对前端DC-DC升压级的依赖,从而降低系统损耗并提升功率密度。对于PowerTitan等储能变流器(PCS)产品,该五电平拓扑能进一步优化输出电能质量,降低滤波器体积。建议研发团队关注其在宽电压范围输入下的效率表现,评估其在下一代高压光储系统中的应用潜力,以提升产品在复杂电网环境下的竞争力。