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Power Line EMI Filter Design of Power Converters to Meet the Conducted Emission Specifications of MIL-STD-461G

Kichouliya, R and Sundar, S and Reddy, BP (2023) Power Line EMI Filter Design of Power Converters to Meet the Conducted Emission Specifications of MIL-STD-461G. In: UNSPECIFIED.

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Official URL: https://doi.org/10.1109/NPEC57805.2023.10385027


This paper presents the investigation and mitigation of the conducted emissions generated by the power converter in any system with and without an EMI filter to meet the EMC limits. The conducted emissions of the converter are measured with a standard setup, and depending upon the qualification limit line (MIL-STD-461G standard), the insertion loss requirement and cutoff frequency are calculated for differential mode and typical mode emissions. The conductions will exceed the limit line w.r.t the general power converter operation, and these emissions will travel towards the power source or grid. An EMI filter is designed to mitigate this by selecting the appropriate L and C elements. This EMI filter is placed at the input of the power converter to mitigate the conducted emission from the converter. The EMI filter and the power converter are designed and validated in the laboratory under different load conditions and different frequencies of operation. © 2023 IEEE.

Item Type: Conference Paper
Publication: 2023 11th National Power Electronics Conference, NPEC 2023
Publisher: Institute of Electrical and Electronics Engineers Inc.
Additional Information: The copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc.
Keywords: Cutoff frequency; Electromagnetic compatibility, C-element; Commonmode; Conducted emissions; Differential mode; EMI; EMI filter design; EMI filters; Power grids; Power lines; Power sources, Power converters
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 04 Mar 2024 09:03
Last Modified: 04 Mar 2024 09:03
URI: https://eprints.iisc.ac.in/id/eprint/84223

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