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基于模块化多电平级联变换器的无变压器背靠背(BTB)配电系统

A Transformerless Back-To-Back (BTB) System Using Modular Multilevel Cascade Converters For Power Distribution Systems

语言:

中文摘要

本文深入探讨了基于双星形斩波单元模块化多电平级联变换器(MMCC-DSCC)的无变压器背靠背(BTB)系统。该系统旨在应用于分布式电源接入的配电网。文中设计、构建并测试了一套三相200V、10kW的DSCC型BTB系统,验证了其在配电系统中的应用可行性。

English Abstract

This paper presents an intensive discussion on a transformerless back-to-back (BTB) system using modular multilevel cascade converters based on double-star chopper cells (MMCC-DSCC). It is expected to be applied to a power distribution system with many distributed power generators. This paper designs, constructs, and tests a three-phase 200-V, 10-kW DSCC-based BTB system installed on a 200-V, 40-k...
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SunView 深度解读

该技术采用的MMCC-DSCC拓扑具有高压大功率、模块化程度高及输出波形质量好等优势,对阳光电源的集中式逆变器及大型储能系统(如PowerTitan系列)的拓扑演进具有重要参考价值。无变压器设计符合当前降本增效及轻量化的行业趋势。建议研发团队关注该拓扑在构网型(GFM)控制下的动态响应特性,探索其在大型光储电站直流耦合或中压并网场景下的应用潜力,以进一步提升系统功率密度和电网适应性。