Impedance interaction and EMI attenuation in converters with an integrated transmission-line filter

被引：5
|
作者：
Baisden, Andrew C. [1 ]
Boroyevich, Dushan [1 ]
van Wyk, Jacobus Daniel [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Ctr Power Elect Syst, Bradley Dept Elect & Comp Engn, 665 Whittemore Hall 0179, Blacksburg, VA 24061 USA
来源：
APEC 2007: TWENTY-SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1 AND 2 | 2007年
基金：
美国国家科学基金会;
关键词：
transmission-line filter; electromagnetic interference (EMI); Powerfactor correction circuit (PFC);
D O I：
10.1109/APEX.2007.357667
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
integrated transmission-line filters were previously proposed to attenuate conducted electro-magnetic interference (EMI) produced by high-frequency switching power converters. In this work, such a filter is manufactured using planar processing technologies, and it is tested for the first time with a 500W, front-end, single-phase power factor correction converter switching at 400 kHz. Impedance interactions between the filter, the converter, and the EMI measurement set-up are discussed, evaluated, measured, and improved to minimize undesired resonances and increase low-frequency EMI attenuation. Experimentally measured attenuation provided by the filter in the range from 100 kHz to 100 MHz was 20-50 dB.
引用
收藏
页码：1203 / +
页数：2
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