并联PWM整流器系统的零序环流抑制方法

被引：5

作者：

陈宏志

王旭

刘建昌

闫士杰

机构：

[1] 东北大学信息科学与工程学院

来源：

东北大学学报(自然科学版) | 2010年 / 12期

关键词：

电力电子; 整流器; 控制方法; 环流; 并联系统;

D O I：

暂无

中图分类号：

TM461 [整流器];

学科分类号：

摘要：

直接并联PWM整流器仅以自身的零序电流为反馈控制进行环流抑制,难免造成整流器之间的零序电压竞争问题,导致PWM信号的调制饱和.针对这一问题,对PWM整流器并联系统的环流进行了深入分析,提出了抑制零序环流的综合解决方案.此方案引入了以交流电源中性点为参考的直流母线中点电压变量,各整流器依据其零序电流对该电压的低频分量的影响,确定其对环流的调节方式.仿真结果验证了所提控制方案的有效性.

引用

页码：1677 / 1680+1716 +1716

页数：5

共 9 条

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