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Design of EMI DC Filter with Soft Starting Function
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Pan WANG, Hu XU, Lei YUAN, Anfei XU
Journal of Power Supply | 2024, 22(3) : 182 - 189
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Journal of Power Supply | 2024, 22(3): 182-189
• Gate Driving and Application •
Design of EMI DC Filter with Soft Starting Function
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Pan WANG, Hu XU, Lei YUAN, Anfei XU
Affiliations
  • Hubei Key Laboratory of Solar Energy Efficient Utilization and Energy Storage Operation Control Hubei University of Technology Wuhan 430074 China
Published: 2024-05-30 doi: 10.13234/j.issn.2095-2805.2024.3.182
Outline
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The application of wide bandgap semiconductor devices makes the motor drive system of electric vehicles (EVs) more compact and lightweight, but it also causes more serious electromagnetic interference (EMI), which makes the reliability of the drive system face severe challenges. To solve this problem, a 24 V/2 A EMI DC filter is taken as an example, and through the analysis of noise source, filter principle and impedance influence, the filter parameters are designed according to the index of insertion loss. At the same time, considering the starting impact at the starting time of the whole vehicle, a soft starting circuit is added to further improve the reliability of the EV drive system. Experimental results verified the EMI suppression effect and the soft starting function of the filter, proving the feasibility and effectiveness of the filter design.

Wide bandgap semiconductor device  /  electric vehicle(EV)  /  electromagnetic interference (EMI) filter  /  insertion loss  /  soft starting
Pan WANG, Hu XU, Lei YUAN, Anfei XU. Design of EMI DC Filter with Soft Starting Function[J]. Journal of Power Supply, 2024 , 22 (3) : 182 -189 . DOI: 10.13234/j.issn.2095-2805.2024.3.182
Funding
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  • Young Talents Project of Science and Technology Research Program of Hubei Provincial Department of Education(Q20211405)
  • Doctoral Research Start-up Fund Project of Hubei University of Technology(XJ2021003601)
Appendix
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Year 2024 volume 22 Issue 3
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349
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.3.182
  • Receive Date：2024-01-30
  • Online Date：2025-07-21
  • Published：2024-05-30
Article Data
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History
  • Received：2024-01-30
  • Revised：2024-02-07
  • Accepted：2024-02-07
Funding
Young Talents Project of Science and Technology Research Program of Hubei Provincial Department of Education(Q20211405)
Doctoral Research Start-up Fund Project of Hubei University of Technology(XJ2021003601)
Affiliations
    Hubei Key Laboratory of Solar Energy Efficient Utilization and Energy Storage Operation Control Hubei University of Technology Wuhan 430074 China
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