Thermal Science 2023 Volume 27, Issue 2 Part A, Pages: 1167-1174
https://doi.org/10.2298/TSCI2302167Z
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Electromagnetic compatibility analysis of thermal energy recovery power system driven by new energy vehicles
Zhang Huaxin (Department of Automotive Engineering, Hebei Jiaotong Vocational and Technical College, Shijiazhuang, Hebei, China)
Du Danyang (Department of Automotive Engineering, Hebei Jiaotong Vocational and Technical College, Shijiazhuang, Hebei, China), danyangdu@126.com
Wang Aibing (Department of Automotive Engineering, Hebei Jiaotong Vocational and Technical College, Shijiazhuang, Hebei, China)
Zhang Yuquan (Department of Automotive Engineering, Hebei Jiaotong Vocational and Technical College, Shijiazhuang, Hebei, China)
Hu Ruixue (Department of Automotive Engineering, Hebei Jiaotong Vocational and Technical College, Shijiazhuang, Hebei, China)
In order to ensure the stability of battery management power system, improve
the reliability of on-board electronic products, and ensure the stability of
thermal energy recovery power system, the author proposes an
electromagnetic compatibility optimization scheme based on wiring harness,
power module, and PCB noise, taking the battery management system of vehicle
electronic components as an example, the role of electromagnetic
compatibility on products is described, the hardware circuit is analyzed and
designed by electromagnetic compatibility design theory to ensure the
reliability of vehicle components. The electromagnetic stability of the
power battery is guaranteed through the electromagnetic compatibility
optimization analysis of the battery management system, so as to achieve
more stable battery management. The experimental results show that each
module of the battery management system works stably, and the disturbance
degree test shows that the resonant noise of the battery management system
disappears, and there is no obvious narrowband electromagnetic disturbance,
and the overall value is below the limit of 20 dB. In conclusion the
electomagnetic compatibility optimization scheme can effectively ensure the
stability of the battery management power system, and indirectly ensure the
stability of the heat recovery power system.
Keywords: new energy vehicles, electromagnetic compatibility, drive system, heat recovery system, electromagnetic stability
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