NDLI: Impedances Identification of DC/DC Converters for Network EMC Analysis

Content Provider	IEEE Xplore Digital Library
Author	Ales, A. Schanen, J.-L. Moussaoui, D. Roudet, J.
Copyright Year	1986
Abstract	The design of optimal electromagnetic compatibility filters for converters used in electrical networks requires the precise knowledge of input and output terminal impedances. For this reason, the knowledge of the network impedance, including all connected converters, is determined. This paper proposes a study of both the common mode (CM) and the differential mode (DM) impedances of modern embedded networks including cables and several converters. Using a dc network for illustration, we determine the impedance taking into account all operating states of a converter (online or offline operations). Without any restrictions, a theoretical model is developed to express the CM and DM impedances using a switching function and a Fourier series decomposition. An experimental validation has been carried out in a frequency range from a few Hertz up to 80 MHz. Our model has then been used in a simple network, so as to compute the network impedance. Measurements have confirmed the proposed model accuracy.
Sponsorship	IEEE Power Electronics Society
Starting Page	6445
Ending Page	6457
Page Count	13
File Size	1801513
File Format	PDF
ISSN	08858993
Volume Number	29
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance Power harmonic filters Switches Information filters Switching frequency Electromagnetic compatibility power electronics Common mode (CM) impedance differential mode (DM) impedance electromagnetic compatibility (EMC) network filters network impedance
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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