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Analysis and modeling of conductive EMI noise of power electronics converters in electric and hybrid electric vehicles

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2 Author(s)
Youn Hee Lee ; Power Electron. & Motor Drives Lab., Univ. of Wisconsin-Milwaukee, Milwaukee, WI ; Nasiri, A.

In developing a complex power electronic system, proper modeling at prototype sample level can save the time and cost to develop final product. Hybrid electric vehicle (HEV) is equipped with several high powered electric devices such as DC/DC converters and DC/AC inverters. Considering that there are many restrictions in mounting and wiring the electric power system in engine room, analysis and modeling of electromagnetic interference (EMI) coupling path is crucial in designing optimal electric power system satisfying various EMC regulations. In this paper, conductive common mode (CM) and differential mode (DM) equivalent models for those electric power converters used in HEV were developed and evaluated through the simulation both in time domain and frequency domain using FFT. It is confirmed that the suggested model followed the actual circuit in the point of conducted CM and DM EMI view.

Published in:

Applied Power Electronics Conference and Exposition, 2008. APEC 2008. Twenty-Third Annual IEEE

Date of Conference:

24-28 Feb. 2008