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一种基于矩阵变换器的双向隔离型三相AC/DC双有源桥变换器正弦线电流调制方法

A Modulation Method to Realize Sinusoidal Line Current for Bidirectional Isolated Three-Phase AC/DC Dual-Active-Bridge Converter Based on Matrix Converter

语言:

中文摘要

基于矩阵变换器的高频链三相AC/DC变换器因无源元件体积小而备受关注。然而,现有调制方法在PQ控制下的双向运行中难以同时实现零电压开关(ZVS)和正弦线电流。本文提出了一种新型调制方法,旨在解决上述问题,实现高效的双向能量转换。

English Abstract

A high-frequency link three-phase ac/dc converter based on matrix converter is widely studied because of its small size of passive components, and some modulation methods have been proposed. However, these methods have not achieved zero-voltage-switching (ZVS) and sinusoidal line currents under bidirectional operation with PQ control. This article presents a new modulation method to realize ZVS an...
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SunView 深度解读

该技术对阳光电源的储能系统(如PowerTitan、PowerStack系列)及大型光伏逆变器具有重要参考价值。矩阵变换器与DAB拓扑结合可显著提升功率密度并减小无源器件体积,符合阳光电源追求高效率、高功率密度的产品迭代方向。该调制方法实现的ZVS和正弦电流特性,有助于降低变换器损耗并提升电能质量,特别是在储能PCS的双向充放电场景下,能够优化系统效率。建议研发团队关注该拓扑在兆瓦级储能变流器中的应用潜力,以进一步提升系统并网性能。