Modeling and Design of EMI Noise Separators for Multiphase Power Electronics Systems

被引：13
|
作者：
Wang, Shuo [1 ]
机构：
[1] Univ Texas San Antonio, Dept Elect & Comp Engn, San Antonio, TX 78249 USA
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2011年 / 26卷 / 11期
关键词：
rejection ratio (CMRR); differential-mode rejection ratio (DMRR); differential-mode transmission ratio (DMTR); electromagnetic interference (EMI); multiphase; noise separator; scattering parameters; symmetrical-component theory; three-phase; transmission line transformer;
D O I：
10.1109/TPEL.2011.2136440
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 discusses the electromagnetic interference (EMI) noise in multiphase power electronics systems using symmetrical component theory and EMI theory. The theory for multiphase noise separators is developed. Multiphase noise separators are characterized by S-parameters based on symmetrical component theory, S-parameter theory, and EMI theory. A circuit is proposed for multiphase noise separators and techniques are explored for a high-quality design. A prototype is built, tested, and evaluated using the developed theory. The prototype is finally used in a practical EMI measurement.
引用
收藏
页码：3163 / 3173
页数：11
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