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2003•IEEE Transactions on Power ElectronicsRequires access

Study on the Conducted EMI for PWM of DC/DC Converter Systems: Time Domain Model and Simulation Analysis

Ji Man

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Abstract

A new approach for modeling and simulating the conducted electromagnetic interference (EMI) prediction is presented for widely used pulse width modulation of DC/DC chopper systems. An experimental investigation of conducted emission from an actual system is described. Based on the analysis and explanation of the mechanism of the EMI, time domain simulation models for evaluating EMI are developed, allowing for the high frequency effects associated with the stray distributed parameters. The conducted EMI of an actual system is simulated using MATLAB package. The validity of the model is confirmed by a comparison between the tested and simulation results.

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What this paper is about

A new approach for modeling and simulating the conducted electromagnetic interference (EMI) prediction is presented for widely used pulse width modulation of DC/DC chopper systems. An experimental investigation of conducted emission from an actual system is described. Based on the analysis and explanation of the mechanism of the EMI, time domain simulation models for evaluating EMI are developed, allowing for the high frequency effects associated with the stray distributed parameters. The conducted EMI of an actual system is simulated using MATLAB package. The validity of the model is confirmed by a comparison between the tested and simulation results.

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Available abstract

A new approach for modeling and simulating the conducted electromagnetic interference (EMI) prediction is presented for widely used pulse width modulation of DC/DC chopper systems. An experimental investigation of conducted emission from an actual system is described. Based on the analysis and explanation of the mechanism of the EMI, time domain simulation models for evaluating EMI are developed, allowing for the high frequency effects associated with the stray distributed parameters. The conducted EMI of an actual system is simulated using MATLAB package. The validity of the model is confirmed by a comparison between the tested and simulation results.

Key concepts: EMI, Chopper, Electromagnetic interference, Pulse-width modulation, Electronic engineering, MATLAB, Time domain, Modeling and simulation

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