Design, Modeling, and Improvement of Integrated EMI Filter With Flexible Multilayer Foils

Integrated electromagnetic interference (EMI) filter design method with flexible multilayer (FML) foils is presented. An analysis model for integrated EMI filter with FML foils, distributed electromagnetic component (DEMC) model, is proposed. The DEMC model is verified by the experiment. In addition...

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Veröffentlicht in:	IEEE transactions on power electronics 2011-05, Vol.26 (5), p.1344-1354
Hauptverfasser:	Xiaofeng Wu, Dehong Xu, Zhiwei Wen, Okuma, Y, Mino, K
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Capacitors Capacitors. Resistors. Filters Copper Electric power Electrical engineering. Electrical power engineering Electrical equipment Electromagnetic compatibility Electromagnetic interference Electromagnetic interference (EMI) filter Electromagnetics Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Equivalent circuits Exact sciences and technology flexible multilayer (FML) foil Frequencies Inductance Information, signal and communications theory Low pass filters passive integration power density Power electronics, power supplies Switching Telecommunications and information theory Various equipment and components Windings
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Zusammenfassung:	Integrated electromagnetic interference (EMI) filter design method with flexible multilayer (FML) foils is presented. An analysis model for integrated EMI filter with FML foils, distributed electromagnetic component (DEMC) model, is proposed. The DEMC model is verified by the experiment. In addition, method to improve the high-frequency performance of integrated EMI filter is investigated. Prototype of integrated EMI filter with FML foils is made for 1 kW switching power supply. In comparison with the traditional discrete EMI filter, it can reduce total volume by 45%.
ISSN:	0885-8993 1941-0107
DOI:	10.1109/TPEL.2010.2077655