基于高频隔离的级联型H桥补偿器的仿真

被引:4
作者
黄尧
贾鹏宇
刘建强
郑琼林
机构
[1] 北京交通大学电气工程学院
关键词
负序电流补偿; 双向DC-DC变换器; 三相四线制系统; 级联补偿; 移相控制;
D O I
10.19595/j.cnki.1000-6753.tces.2011.05.017
中图分类号
TM461.5 [];
学科分类号
080801 ;
摘要
提出了一种新型的基于高频隔离的级联H桥式补偿装置。与传统应用于三相三线制系统星形联结的级联变换器不同的是,此拓扑引入一个带有高频变压器的三端口双向直流变换器,可以补偿系统中的负序电流,使得能量可以在各相间流动。此电路可用于三相三线或四线制系统,能降低系统直流侧二次脉动。通过适当的控制方法,可以补偿负序、无功以及谐波电流。文章通过对不同负载的仿真分析,证明了电路拓扑的可行性。
引用
收藏
页码:108 / 112
页数:5
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