Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Classification and Comparison of EMI Mitigation Techniques in Switching Power Converters - A Review

  • Yazdani, Mohammad Rouhollah (Dept. of Electrical Eng., Science and Research Branch, Islamic Azad University) ;
  • Farzanehfard, Hosein (Dept. of Electrical and Computer Eng., Isfahan University of Technology) ;
  • Faiz, Jawad (Center of Excellence on Applied Electromagnetic Systems, School of Electrical and Computer Eng., University College of Eng., University of Tehran)
  • Received : 2010.07.28
  • Published : 2011.09.20
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Abstract

Power electronic systems such as switching power supplies are accounted as noise sources for other sensitive circuits. EMI caused by power converters can disturb the normal operation of the converter and other adjacent systems. Major research is concentrated on EMI mitigation for power converters in which the main concern is compliance with EMC standards to ensure proper operation of converters and nearby systems. This paper reviews EMI reduction techniques related to switching power converters with emphasis on the conducted EMI. A comprehensive review of significant research works is performed and various methods are thoroughly discussed and compared. Also, a classification of methods is presented. Moreover, converter prototypes are realized which contain several EMI mitigation techniques and their effects are presented via experimental results.

Keywords

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