Parasitic Effects of Grounding Paths on Common-Mode EMI Filter's Performance in Power Electronics Systems

Journal Article · Fri Jan 01 00:00:00 EST 2010 · IEEE Transactions on Industrial Electronics

DOI:https://doi.org/10.1109/TIE.2009.2037643· OSTI ID:1037677

Wang, Shuo ^[1]; Maillet, Yoann ^[2]; Wang, Fei ^[1]; Lai, Rixin ^[3]; Luo, Fang ^[2]; Boroyevich, Dushan ^[2]

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1. ORNL
2. Virginia Polytechnic Institute and State University (Virginia Tech)
3. General Electric

High-frequency common-mode (CM) electromagnetic-interference (EMI) noise is difficult to suppress in electronics systems. EMI filters are used to suppress CM noise, but their performance is greatly affected by the parasitic effects of the grounding paths. In this paper, the parasitic effects of the grounding paths on an EMI filter's performance are investigated in a motor-drive system. The effects of the mutual inductance between two grounding paths are explored. Guidelines for the grounding of CM EMI filters are derived. Simulations and experiments are finally carried out to verify the theoretical analysis.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE Office of Energy Efficiency and Renewable Energy (EERE)
• DOE Contract Number: DE-AC05-00OR22725
• OSTI ID: 1037677
• Journal Information: IEEE Transactions on Industrial Electronics, Vol. 57, Issue 9; ISSN 0278-0046
• Country of Publication: United States
• Language: English

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