Analysis of EMI Filter Attenuation Characteristics for a Multi-Converter System

被引：0
|
作者：
Tamate, Michio [1 ]
Toba, Akio [1 ]
Wada, Keiji [2 ]
Shimizu, Toshihisa [2 ]
机构：
[1] Fuji Elect Adv Technol Co Ltd, Elect Technol Lab, Hino, Tokyo 1918502, Japan
[2] Tokyo Metropolitan Univ, Dept Elect & Elect Engn, Hachioji, Tokyo 1920397, Japan
来源：
2009 IEEE 6TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE, VOLS 1-4 | 2009年
关键词：
D O I：
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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：
A method is proposed for analysis of the attenuation characteristics of electromagnetic interference (EMI) filters for multiple power converters connected to same power line. The analysis results indicate that increase of the conducted EMI noise may occur, because the cut-off frequencies of the EMI-filter are varied according to the number of power converters. A mathematical solution for the cut-off frequencies is derived by simplification of the circuit configuration based on Thevenin's theorem. Finally, an effective design method of EMI filters is proposed to avoid such problem of a multi-converter system.
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页码：667 / +
页数：2
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