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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1,  Number 3,  May 2009

Issue on Electrical & Electronics

Page(s): 305-307

Characterization of Conducted EMI Generated by Switched Power Converters

           R.Vimala, K.Baskaran, K.R.Aravind Britto

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Abstract

A simplified simulation method for the calculation of conducted electromagnetic interference (EMI) caused by switched power converters (SPCs) is presented. The method presented here is based on a “source- propagation-path-derived disturbance” simulation process and is specially designed to simplify the mentioned computation problems. In the design of the proposed method, quick and robust simulations were preferred rather than very accurate results. The resulting models allow quite accurate predictions and sensitivity analysis when certain changes in components or layout are introduced. The paper presents two validation cases, where simulation and experimental results of conducted EMI generated by a general-purpose VSI, with different switching patterns and different layout, are compared.

Index Terms

Converters, electromagnetic interference (EMI), modeling, power conversion

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