2003•IEEE Transactions on Power ElectronicsRequires access

Differential Conducted EMI of 3-phase Diode Bridge: Analysis and Prediction

Wei Ma

Abstract

The EMI generated by power electronics equipment becomes a very serious problem. How to calculate this interference is a difficult problem in EMC research. In this paper, a 3 phase rectifier is studied. First, the mechanism of the noise emission is described. Then a simple noise equivalent circuit is proposed. According to this equivalent circuit, the EMI spectrum can be easily obtained in the frequency domain. The calculated spectrum is compared with the experiment results. The comparison shows the validity of this method.

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Available abstract

Key concepts: EMI, Electromagnetic interference, Rectifier (neural networks), Equivalent circuit, Noise (video), Electronic engineering, Electromagnetic compatibility, Power electronics