NDLI: Modeling and design of the EMI filter for DC-DC SiC-converter

Content Provider	IEEE Xplore Digital Library
Author	Kotny, J.L. Duquesne, T. Idir, N.
Copyright Year	2014
Description	Author affiliation: Lab. Electrotech. et Electron. de Puissance (L2EP), Univ. of Lille 1, Villeneuve-d'Ascq, France (Kotny, J.L.; Duquesne, T.; Idir, N.)
Abstract	This paper focuses on the design of EMI filter for a power converter used Silicon Carbide power devices (SiC-JFET and SiC diode). The DC-DC converter used in this study is a buck converter which has operating frequency of 100 kHz and the turn-on and turn-off times of the JFET are equal to ten nanoseconds. It is well known that the switching times have a direct link to the spectrum of the EMI sources. Thus, in order to reduce the conducted emissions induced by the SiC-converter, it's necessary to add an EMI filter in order to compliance the EMC standard. In this study, a design method of the EMI filter based on the simulation approach is proposed. For this, a high frequency model based on the electrical equivalent circuit of the filter which takes into account of all impedances of the system is proposed. However, values of the different elements of this model are determined by a new approach. The improvement provided by this model is important in high frequencies (above 1 MHz) taking into account the measured impedances of different propagation paths of the common mode currents of the system. The conducted emissions measured without and with the obtained EMI filter show the effectiveness of the proposed design method.
Starting Page	1195
Ending Page	1200
File Size	1576733
Page Count	6
File Format	PDF
ISBN	9781479947492
DOI	10.1109/SPEEDAM.2014.6872003
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-18
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	passives components SiC-conveter caracterisation modeling EMI filters Inductors common mode impedance Impedance measurement Current measurement Electromagnetic interference Attenuation Impedance Integrated circuit modeling EMC standards
Content Type	Text
Resource Type	Article

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