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Array of Active Shielding Coils for Magnetic Field Mitigation in Automotive Wireless Power Transfer Systems

Author

Listed:
  • Silvano Cruciani

    (Department of Industrial Engineering, Tor Vergata University of Rome, 00133 Rome, Italy)

  • Tommaso Campi

    (Department of Astronautic, Electrical and Energy Engineering, Sapienza University of Rome, 00184 Rome, Italy)

  • Francesca Maradei

    (Department of Astronautic, Electrical and Energy Engineering, Sapienza University of Rome, 00184 Rome, Italy)

  • Mauro Feliziani

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

Abstract

This paper deals with the mitigation of magnetic field levels produced by a wireless power transfer (WPT) system to recharge the battery of an electric vehicle (EV). In this work, an array of active coils surrounding the WPT coils is proposed as a mitigation technique. The theory and new methodological aspects are the focus of the paper. Magnetic field levels in the environment are calculated numerically without and with the presence of an array of active coils in a stationary WPT system for automotive applications. By the proposed mitigation method, the field levels beside the vehicle are significantly reduced and comply with the reference levels (RLs) of the ICNIRP 2010 guidelines for human exposure to electromagnetic fields and the magnetic flux density limits proposed by ISO 14117 for electromagnetic interference (EMI) in cardiac implantable electronic devices (CIEDs).

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:17:p:4233-:d:1463166
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    References listed on IDEAS

    as
    1. 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.
    2. 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.
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