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Electromagnetic Radiation Interference Optimization of SiC DC/DC Converter
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Yuebin YANG, Xianyun LI, Shuzheng WANG
Journal of Power Supply | 2024, 22(2) : 431 - 437
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Journal of Power Supply | 2024, 22(2): 431-437
• EMI/EMC •
Electromagnetic Radiation Interference Optimization of SiC DC/DC Converter
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Yuebin YANG, Xianyun LI, Shuzheng WANG
Affiliations
  • School of Electric Power Engineering Nanjing Institute of Technology Nanjing 211167 China
Published: 2024-03-30 doi: 10.13234/j.issn.2095-2805.2024.2.431
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Silicon carbide (SiC) switching devices are widely applied in DC/DC converters owing to their faster switching speed and higher operating frequency. However, the high working frequency of SiC devices will result in strong electromagnetic radiation interference. To optimize the internal structure of DC/DC converter and achieve a higher power density, an optimization method for the electromagnetic radiation interference of SiC DC/DC converter is proposed. First, the characteristics of the converter's electromagnetic radiation interference source are analyzed, and a space electromagnetic radiation model is established according to the topology of DC/DC circuit. Then, based on the electromagnetic radiation model and simulated annealing algorithm, the low electromagnetic radiation optimization is carried out for the layout of components within the DC/DC converter. The optimized layout scheme reduces the length of high-frequency wire by 60.2%. Finally, the three-dimensional finite element simulation is carried out, and it is verified that the proposed method can optimize the circuit layout of SiC DC/DC converter and reduce the electric field intensity produced on the sensitive circuit by two orders of magnitude.

Silicon carbide (SiC)  /  electromagnetic radiation  /  simulated annealing algorithm  /  finite element
Yuebin YANG, Xianyun LI, Shuzheng WANG. Electromagnetic Radiation Interference Optimization of SiC DC/DC Converter[J]. Journal of Power Supply, 2024 , 22 (2) : 431 -437 . DOI: 10.13234/j.issn.2095-2805.2024.2.431
Funding
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  • Key R & D projects in Jiangsu Province(BE2018130)
  • Jiangsu postgraduate research and Practice Innovation Program(SJCX20_0724)
Appendix
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Year 2024 volume 22 Issue 2
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288
102
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.2.431
  • Receive Date：2021-05-26
  • Online Date：2025-07-21
  • Published：2024-03-30
Article Data
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History
  • Received：2021-05-26
  • Revised：2021-06-16
  • Accepted：2021-06-22
Funding
Key R & D projects in Jiangsu Province(BE2018130)
Jiangsu postgraduate research and Practice Innovation Program(SJCX20_0724)
Affiliations
    School of Electric Power Engineering Nanjing Institute of Technology Nanjing 211167 China
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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