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Long-Term Monitoring of Extremely Low Frequency Magnetic Fields in Electric Vehicles

Author

Listed:
  • Lei Yang

    (China Academy of Information and Communications Technology, No.52, Huayuan bei Road, Beijing 100191, China)

  • Meng Lu

    (China Academy of Information and Communications Technology, No.52, Huayuan bei Road, Beijing 100191, China)

  • Jun Lin

    (China Academy of Information and Communications Technology, No.52, Huayuan bei Road, Beijing 100191, China)

  • Congsheng Li

    (China Academy of Information and Communications Technology, No.52, Huayuan bei Road, Beijing 100191, China)

  • Chen Zhang

    (China Academy of Information and Communications Technology, No.52, Huayuan bei Road, Beijing 100191, China)

  • Zhijing Lai

    (China Academy of Information and Communications Technology, No.52, Huayuan bei Road, Beijing 100191, China)

  • Tongning Wu

    (China Academy of Information and Communications Technology, No.52, Huayuan bei Road, Beijing 100191, China)

Abstract

Extremely low frequency (ELF) magnetic field (MF) exposure in electric vehicles (EVs) has raised public concern for human health. There have been many studies evaluating magnetic field values in these vehicles. However, there has been no report on the temporal variation of the magnetic field in the cabin. This is the first study on the long-term monitoring of actual MFs in EVs. In the study, we measured the magnetic flux density (B) in three shared vehicles over a period of two years. The measurements were performed at the front and rear seats during acceleration and constant-speed driving modes. We found that the B amplitudes and the spectral components could be modified by replacing the components and the hubs, while regular checks or maintenance did not influence the B values in the vehicle. This observation highlights the necessity of regularly monitoring ELF MF in EVs, especially after major repairs or accidents, to protect car users from potentially excessive ELF MF exposure. These results should be considered in updates of the measurement standards. The ELF MF effect should also be taken into consideration in relevant epidemiological studies.

Suggested Citation

  • Lei Yang & Meng Lu & Jun Lin & Congsheng Li & Chen Zhang & Zhijing Lai & Tongning Wu, 2019. "Long-Term Monitoring of Extremely Low Frequency Magnetic Fields in Electric Vehicles," IJERPH, MDPI, vol. 16(19), pages 1-9, October.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:19:p:3765-:d:273991
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    Citations

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    Cited by:

    1. Zbigniew Nadolny, 2022. "Impact of Changes in Limit Values of Electric and Magnetic Field on Personnel Performing Diagnostics of Transformers," Energies, MDPI, vol. 15(19), pages 1-15, October.
    2. Tao Li & Lei Ma & Zheng Liu & Chaonan Yi & Kaitong Liang, 2023. "Dual Carbon Goal-Based Quadrilateral Evolutionary Game: Study on the New Energy Vehicle Industry in China," IJERPH, MDPI, vol. 20(4), pages 1-16, February.

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