Conducted EMI Mitigation Techniques for Switch-Mode Power Converters: A Survey

Several techniques to mitigate conducted electromagnetic interference (EMI) in switch-mode power supplies (SMPS) have been reported in literature. Of these, this paper reviews those techniques that are primarily meant for ac-dc and dc-dc power converters. The techniques are broadly classified based...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2010-09, Vol.25 (9), p.2344-2356
Main Authors: Mainali, Krishna, Oruganti, Ramesh
Format: Article
Language:English
Subjects:
Applied sciences
Circuit noise
Circuit properties
Classification
Common mode (CM)
Control systems
Convertors
Criteria
differential mode (DM)
Electric currents
Electric, optical and optoelectronic circuits
Electrical engineering. Electrical power engineering
Electrical equipment
Electrical machines
Electromagnetic compatibility
Electromagnetic interference
electromagnetic interference (EMI)
Electromagnetism
Electronic circuits
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
Information, signal and communications theory
Noise
Noise generators
Noise reduction
Power converters
Power electronics
Power generation
Power supplies
Reduction
Signal convertors
Switched-mode power supply
Switches
Switching converters
Telecommunications and information theory
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Description
Summary:Several techniques to mitigate conducted electromagnetic interference (EMI) in switch-mode power supplies (SMPS) have been reported in literature. Of these, this paper reviews those techniques that are primarily meant for ac-dc and dc-dc power converters. The techniques are broadly classified based on two criteria-1) reduction of the noise after generation and 2) reduction of the noise at the generation stage itself. A detailed classification and review of various noise mitigation techniques currently available in literature are presented. It is believed that the classification and review of the conducted EMI mitigation techniques presented in this paper would be useful to SMPS researchers and designers.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2010.2047734