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2003•IEEE Transactions on Power ElectronicsRequires access

Prediction and Suppression of Different Mode Conducted EMI of Three-phase Rectifier

Wei Ma

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Abstract

This paper analyzes the EMI generated from a threephase SCR Rectifier and proposes some common reduction measure.According to the switching function,the noise equivalent circuit is obtained.Based on this equivalent circuits,the noise spectrum calculation can be performed in frequencydomain.The experiment results shown the validity of the calculation.Since the calculation is in the frequencydomain, it doesn't need many parasitical parameters and the calcuation time can be greatly decreased compared with the timedomain simulation.

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What this paper is about

This paper analyzes the EMI generated from a threephase SCR Rectifier and proposes some common reduction measure.According to the switching function,the noise equivalent circuit is obtained.Based on this equivalent circuits,the noise spectrum calculation can be performed in frequencydomain.The experiment results shown the validity of the calculation.Since the calculation is in the frequencydomain, it doesn't need many parasitical parameters and the calcuation time can be greatly decreased compared with the timedomain simulation.

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Available abstract

This paper analyzes the EMI generated from a threephase SCR Rectifier and proposes some common reduction measure.According to the switching function,the noise equivalent circuit is obtained.Based on this equivalent circuits,the noise spectrum calculation can be performed in frequencydomain.The experiment results shown the validity of the calculation.Since the calculation is in the frequencydomain, it doesn't need many parasitical parameters and the calcuation time can be greatly decreased compared with the timedomain simulation.

Key concepts: EMI, Rectifier (neural networks), Equivalent circuit, Time domain, Frequency domain, Electronic engineering, Noise (video), Electromagnetic interference

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