Design and Implementation of an Active EMI Filter for Common-Mode Noise Reduction


Vol. 16, No. 3, pp. 1236-1243, May  2016
10.6113/JPE.2016.16.3.1236


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 Abstract

This paper presents the analysis and design of an active electromagnetic interference (EMI) filter (AEF) for the common-mode (CM) noise reduction of switching power converters. The features of the several types of AEFs are discussed and compared in terms of implementation. The feed-forward AEF with a voltage-sensing and voltage-cancellation (VSVC) structure is implemented for an LLC resonant converter to replace a multiple-stage passive EMI filter and thereby reduce CM noise. The characteristics and performance of the VSVC-type AEF are investigated through theoretical and experimental works.


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Cite this article

[IEEE Style]

K. Lee, B. Kang, Y. Choi, S. Chung, J. Won, H. Kim, "Design and Implementation of an Active EMI Filter for Common-Mode Noise Reduction," Journal of Power Electronics, vol. 16, no. 3, pp. 1236-1243, 2016. DOI: 10.6113/JPE.2016.16.3.1236.

[ACM Style]

Kuk-Hee Lee, Byeong-Geuk Kang, Yongoh Choi, Se-Kyo Chung, Jae-Sun Won, and Hee-Seung Kim. 2016. Design and Implementation of an Active EMI Filter for Common-Mode Noise Reduction. Journal of Power Electronics, 16, 3, (2016), 1236-1243. DOI: 10.6113/JPE.2016.16.3.1236.