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拓扑与电路 多电平 并网逆变器 功率模块 ★ 4.0

晶闸管嵌入式混合模块化多电平变换器:一种用于中高压应用的新型电压源变换器

Thyristor-Embedded Hybrid Modular Multilevel Converter: A New Voltage-Source Converter for MV and HV Applications

语言:

中文摘要

本文提出了一种晶闸管嵌入式混合模块化多电平变换器(MMC)。相比传统VSC-MMC,该拓扑旨在降低系统损耗及能量存储需求,同时保持模块化设计与高可控性,为中高压直流输电及大功率并网应用提供了更具效率的替代方案。

English Abstract

Compared with line-commutated converters (LCC) technology, voltage-source converters (VSCs), exemplified by modular multilevel converters (MMCs) have emerged as a superior alternative for HVdc applications, offering enhanced controllability, functionality, and modular design. However, VSC-MMC has relatively higher losses and energy storage requirements than LCC. Addressing these intrinsic drawback...
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SunView 深度解读

该拓扑通过引入晶闸管优化了传统MMC的损耗与储能成本,对阳光电源的集中式光伏逆变器及大型储能系统(如PowerTitan系列)具有重要参考价值。随着光伏与储能电站向更高电压等级(如1500V甚至更高)发展,该混合拓扑在提升系统转换效率、降低散热成本方面具有潜力。建议研发团队关注其在大型电网侧储能PCS中的应用可行性,特别是针对高压直流接入场景,该技术有助于提升系统整体竞争力。