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Radiated EMI Modeling of Cables Considering Mutual-coupling Effect
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Junpeng JI1, Ning ZHANG1, Shan LIN2, Zhen LI1, Peng LUO3
Journal of Power Supply | 2024, 22(5) : 52 - 59
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Journal of Power Supply | 2024, 22(5): 52-59
• Special Issue on Electromagnetic Compatibility in Power Electronic Systems •
Radiated EMI Modeling of Cables Considering Mutual-coupling Effect
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Junpeng JI1, Ning ZHANG1, Shan LIN2, Zhen LI1, Peng LUO3
Affiliations
  • 1 School of Electrical Engineering Xi'an University of Technology Xi'an 710048 China
  • 2 Guangzhou Metro Design & Research Institute Co., Ltd Guangzhou 510000 China
  • 3 Suzhou VEICHI Electric Co., Ltd Suzhou 215124 China
Published: 2024-09-30 doi: 10.13234/j.issn.2095-2805.2024.5.52
Outline
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The cables of switching power supply which are connected in parallel is an important radiated electromag-netic interference(EMI) source for the switching power supply. Aimed at the problem of inaccurate prediction of radiated EMI of cables connected in parallel due to an unclear mutual-coupling effect, a radiated EMI model of cables of switch-ing power supply is proposed by taking into account the mutual-coupling effect between cables. Through the modeling of mutual-impedance which describes the mutual-coupling effect between cables, the radiated EMI input impedance model de-scribing the radiation characteristics of cables of switching power supply is obtained. Then, the radiated EMI model of cables of switching power supply is obtained considering the mutual-coupling effect. Finally, an experimental platform for measuring the radiated EMI was built, and experimental results show that the proposed radiated EMI model which takes the mutual-cou-pling effect into account can predict the radiated EMI of cables of switching power supply more accurately.

Radiated electromagnetic interference (EMI)  /  switching power supply  /  cable  /  mutual-coupling
Junpeng JI, Ning ZHANG, Shan LIN, Zhen LI, Peng LUO. Radiated EMI Modeling of Cables Considering Mutual-coupling Effect[J]. Journal of Power Supply, 2024 , 22 (5) : 52 -59 . DOI: 10.13234/j.issn.2095-2805.2024.5.52
Funding
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  • Building Project of Scientist + Engineer Team of Shaanxi Province Qinchuangyuan(2022KXJ-104)
  • Government-Enterprise Joint Funding Project of Service Local Special of Scientific Research Plan of Education Department of Shaanxi Provincial Government(23JE032)
  • Reserve Engineering Project in Applied Technology Research and Development of Beilin District in Xi'an(GX2341)
  • Reserve Engineering Project in Applied Technology Research and Development of Beilin District in Xi'an(GX2344)
  • Reserve Engineering Project in Applied Technology Research and Development of Beilin District in Xi'an(GX2343)
Appendix
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Year 2024 volume 22 Issue 5
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372
152
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.5.52
  • Receive Date：2024-04-01
  • Online Date：2025-07-20
  • Published：2024-09-30
Article Data
Affiliations
History
  • Received：2024-04-01
  • Revised：2024-09-06
  • Accepted：2024-09-12
Funding
Building Project of Scientist + Engineer Team of Shaanxi Province Qinchuangyuan(2022KXJ-104)
Government-Enterprise Joint Funding Project of Service Local Special of Scientific Research Plan of Education Department of Shaanxi Provincial Government(23JE032)
Reserve Engineering Project in Applied Technology Research and Development of Beilin District in Xi'an(GX2341)
Reserve Engineering Project in Applied Technology Research and Development of Beilin District in Xi'an(GX2344)
Reserve Engineering Project in Applied Technology Research and Development of Beilin District in Xi'an(GX2343)
Affiliations
    1 School of Electrical Engineering Xi'an University of Technology Xi'an 710048 China
    2 Guangzhou Metro Design & Research Institute Co., Ltd Guangzhou 510000 China
    3 Suzhou VEICHI Electric Co., Ltd Suzhou 215124 China
References
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https://castjournals.cast.org.cn/joweb/dyxb/EN/10.13234/j.issn.2095-2805.2024.5.52
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