基于噪声源阻抗提取的单相逆变器电磁干扰滤波器的设计

doi:10.19595/j.cnki.1000-6753.tces.181105

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Abstract This paper studied a method of extracting the Electromagnetic interference (EMI) noise source impedance of a single-phase inverter. Based on this, an effective EMI filter design method was proposed. This approach allows accurate filter requirements analysis and design to take the effects of common mode (CM) and differential mode (DM) noise source impedances into account. In order to further improve the accuracy of noise source impedance detection and the effectiveness of filter design, this paper also used the RLC impedance analyzer to accurately analyze the impedance frequency characteristics of the test components. Finally, the feasibility and effectiveness of this method was tested in simulation and experiment based on a single-phase SiC MOSFET inverter. The results show that the EMI filter designed by the proposed method has strong pertinence and high reliability without time-consuming rectification.

Key words： Electromagnetic interference(EMI) EMI filter noise source impedance common mode differential mode single-phase inverter

Received: 27 June 2018 Published: 20 September 2019

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TM464

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	Jiang Shiqi
	Liu Yitao
	Yin Shan
	Peng Jianchun

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Jiang Shiqi,Liu Yitao,Yin Shan等. Electromagnetic Interference Filter Design of Single-Phase Inverter Based on the Noise Source Impedance Extraction[J]. Transactions of China Electrotechnical Society, 2019, 34(17): 3552-3562.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.181105 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I17/3552

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