宋文祥;董英;阮智勇;

• 1:上海大学机电工程与自动化学院

摘要(Abstract)：

电网电压不平衡时,传统的整流器控制方法性能良好,但计算和控制复杂。和传统方法相比,文章采用的方法不需要对电网电压进行旋转变换和相位检测,也不必提取控制变量的正负序分量,从而有效降低了系统计算的复杂性和延迟。通过分析静止坐标系下的三电平整流器瞬时功率,在保证直流侧电压稳定及交流侧单位功率因数的条件下算得电流指令值。针对该控制方法,在Matlab/simulink数字仿真环境下对其进行了离散化仿真,实现了电网电压单相跌落或者有谐波时,直流母线电压基本稳定及交流侧电压电流同相位。

关键词(KeyWords)： 三电平整流器;静止坐标系;电网电压不平衡

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51107079)~~

作者(Author): 宋文祥;董英;阮智勇;

Email:

DOI: 10.13335/j.1000-3673.pst.2013.01.020

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