Hybrid EMI Filter Design for Common Mode EMI Suppression in A Motor Drive System

被引：0
|
作者：
Wang, Shuo [1 ]
Maillet, Yoann Yorrick [1 ]
Wang, Fred [1 ]
Boroyevich, Dushan [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Ctr Power Elect Syst, Blacksburg, VA 24061 USA
来源：
2008 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-10 | 2008年
关键词：
Active EMI filter; common mode (CM) noise; current-controlled current source; hybrid EMI filter; motor drive;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper first analyzes the common mode (CM) noise in a motor drive system. Based on the CM noise model, both CM noise voltage cancellation and CM noise current cancellation, which includes feedback and feed-forward current cancellations, are investigated. The feed-forward current cancellation is implemented and tested. It is found that due to the speed and gain bandwidth limitations, the active filter cannot suppress high di/dt and high amplitude CM noise current. Hybrid EMI filters which include a passive filter and an active filter is proposed and designed. The experiments show that the CM inductance of the passive filter can be reduced by 10 times because the active filter can well suppress low frequency noise.
引用
收藏
页码：181 / 187
页数：7
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