Title: Research on DC-AC EMI noise mechanism and reduction for new energy inverter system
Abstract: In this paper, the conducted EMI noise of DC side in new energy inverter system is comprehensively analyzed. Firstly, the common-mode interference model and differential-mode interference model of conducted EMI noise in DC side are proposed based on the mechanism. On the basis of theoretical analysis on common mode and differential mode, the design and the characteristic of DC EMI filter are analyzed. At last, a wind inverter system is taken as the experiment subject, and the characteristics of the conducted EMI noise in DC side of this system are analyzed. Besides, a DC EMI filter is designed to solve the excessive of the conducted EMI noise, and the experiment result proves the correctness of the DC EMI filter design method proposed in this paper.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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