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Assessment of the Induced Electric Fields in a Carbon-Fiber Electrical Vehicle Equipped with a Wireless Power Transfer System

Author

Listed:
  • Valerio De Santis

    (Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy)

  • Tommaso Campi

    (Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy)

  • Silvano Cruciani

    (Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy)

  • Ilkka Laakso

    (Department of Electrical Engineering and Automation, Aalto University, 02150 Espoo, Finland)

  • Mauro Feliziani

    (Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy)

Abstract

In this study, the electric field induced inside two realistic anatomical models placed near or inside an electric vehicle made of carbon-fiber composite while charging its battery with a wireless power transfer (WPT) system has been investigated. The WPT source consists of two parallel inductive coils operating with a power output of 7.7 kW at two different frequencies of 85 and 150 kHz. Since a misalignment between the primary and the secondary coil creates higher induced fields, a misalignment of 20 cm is also considered as the worst-case exposure condition. The analysis of the obtained results shows that the International Commission on Non-Ionizing Radiation Protection (ICNIRP) basic restrictions are exceeded by 1.3 dB and 4.8 dB for the aligned and misaligned coil positions, respectively. This exceedance is however confined only in a small area of the driver’s foot.

Suggested Citation

  • Valerio De Santis & Tommaso Campi & Silvano Cruciani & Ilkka Laakso & Mauro Feliziani, 2018. "Assessment of the Induced Electric Fields in a Carbon-Fiber Electrical Vehicle Equipped with a Wireless Power Transfer System," Energies, MDPI, vol. 11(3), pages 1-9, March.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:3:p:684-:d:136835
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    Citations

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    Cited by:

    1. Silvano Cruciani & Tommaso Campi & Francesca Maradei & Mauro Feliziani, 2020. "Active Shielding Design and Optimization of a Wireless Power Transfer (WPT) System for Automotive," Energies, MDPI, vol. 13(21), pages 1-12, October.
    2. SangWook Park, 2020. "Investigating human exposure to a practical wireless power transfer system using and the effect about key parameters of dosimetry," PLOS ONE, Public Library of Science, vol. 15(8), pages 1-21, August.
    3. Ilaria Liorni & Oriano Bottauscio & Roberta Guilizzoni & Peter Ankarson & Jorge Bruna & Arya Fallahi & Stuart Harmon & Mauro Zucca, 2020. "Assessment of Exposure to Electric Vehicle Inductive Power Transfer Systems: Experimental Measurements and Numerical Dosimetry," Sustainability, MDPI, vol. 12(11), pages 1-25, June.
    4. Tommaso Campi & Silvano Cruciani & Francesca Maradei & Mauro Feliziani, 2019. "Magnetic Field during Wireless Charging in an Electric Vehicle According to Standard SAE J2954," Energies, MDPI, vol. 12(9), pages 1-24, May.
    5. Tommaso Campi & Silvano Cruciani & Francesca Maradei & Mauro Feliziani, 2023. "Electromagnetic Interference in Cardiac Implantable Electronic Devices Due to Dynamic Wireless Power Systems for Electric Vehicles," Energies, MDPI, vol. 16(9), pages 1-17, April.
    6. Li Zhai & Guangyuan Zhong & Yu Cao & Guixing Hu & Xiang Li, 2019. "Research on Magnetic Field Distribution and Characteristics of a 3.7 kW Wireless Charging System for Electric Vehicles under Offset," Energies, MDPI, vol. 12(3), pages 1-21, January.
    7. Srinivas Nunna & Maxime Maghe & Seyed Mousa Fakhrhoseini & Bhargav Polisetti & Minoo Naebe, 2018. "A Pathway to Reduce Energy Consumption in the Thermal Stabilization Process of Carbon Fiber Production," Energies, MDPI, vol. 11(5), pages 1-10, May.
    8. Nadir Benalia & Kouider Laroussi & Idriss Benlaloui & Abdellah Kouzou & Abed-Djebar Bensalah & Ralph Kennel & Mohamed Abdelrahem, 2023. "Optimized Power Pads for Charging Electric Vehicles Based on a New Rectangular Spiral Shape Design," Sustainability, MDPI, vol. 15(2), pages 1-14, January.
    9. Junqing Lan & Akimasa Hirata, 2020. "Effect of Loudspeakers on the In Situ Electric Field in a Driver Body Model Exposed to an Electric Vehicle Wireless Power Transfer System," Energies, MDPI, vol. 13(14), pages 1-15, July.
    10. Silvano Cruciani & Tommaso Campi & Francesca Maradei & Mauro Feliziani, 2024. "Array of Active Shielding Coils for Magnetic Field Mitigation in Automotive Wireless Power Transfer Systems," Energies, MDPI, vol. 17(17), pages 1-15, August.
    11. Silvano Cruciani & Tommaso Campi & Francesca Maradei & Mauro Feliziani, 2020. "Active Shielding Applied to an Electrified Road in a Dynamic Wireless Power Transfer (WPT) System," Energies, MDPI, vol. 13(10), pages 1-14, May.
    12. Tommaso Campi & Silvano Cruciani & Francesca Maradei & Mauro Feliziani, 2021. "Two-Coil Receiver for Electrical Vehicles in Dynamic Wireless Power Transfer," Energies, MDPI, vol. 14(22), pages 1-14, November.
    13. Vladimir Kindl & Martin Zavrel & Pavel Drabek & Tomas Kavalir, 2018. "High Efficiency and Power Tracking Method for Wireless Charging System Based on Phase-Shift Control," Energies, MDPI, vol. 11(8), pages 1-19, August.
    14. Valerio De Santis & Luca Giaccone & Fabio Freschi, 2021. "Influence of Posture and Coil Position on the Safety of a WPT System While Recharging a Compact EV," Energies, MDPI, vol. 14(21), pages 1-10, November.

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