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Low Frequency Magnetic Fields Emitted by High-Power Charging Systems

Author

Listed:
  • Germana Trentadue

    (European Commission, Joint Research Centre (JRC), (VA) 21027 Ispra, Italy)

  • Rosanna Pinto

    (ENEA Italian National Agency for New Technologies, Energy and Sustainable Economic Development, (RM) 00123 Casaccia, Italy)

  • Marco Zanni

    (European Commission, Joint Research Centre (JRC), (VA) 21027 Ispra, Italy)

  • Harald Scholz

    (European Commission, Joint Research Centre (JRC), (VA) 21027 Ispra, Italy)

  • Konstantinos Pliakostathis

    (European Commission, Joint Research Centre (JRC), (VA) 21027 Ispra, Italy)

  • Giorgio Martini

    (European Commission, Joint Research Centre (JRC), (VA) 21027 Ispra, Italy)

Abstract

The new generation of fast charging systems faces a formidable technological challenge, aiming to drastically reduce the time needed to recharge an electric vehicle as a way to tackle the range anxiety issue. To achieve this, high power (up to 350 kW) is transferred from the grid to the vehicle, leading to potentially high values of low frequency magnetic fields. This study presents the results of measurements of magnetic flux density (B-field) emitted by two different high power charging systems. The electric vehicle used for the recharge was able to digest up to 83 kW of delivered power. The test procedure was designed to identify the locations where the maximum B-field levels were recorded and to measure the exposure indices according to reference levels for general public exposure defined in the Council Recommendation 1999/519/EC. Measurements in close proximity to the power cabinets during the recharge revealed that, at some points, exposure indices were higher than 100%, leading to the identification of a distance from the system components at which the value was lower than the reference level. In the worst case, this distance was 31 cm.

Suggested Citation

  • Germana Trentadue & Rosanna Pinto & Marco Zanni & Harald Scholz & Konstantinos Pliakostathis & Giorgio Martini, 2020. "Low Frequency Magnetic Fields Emitted by High-Power Charging Systems," Energies, MDPI, vol. 13(7), pages 1-11, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:7:p:1594-:d:339795
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    References listed on IDEAS

    as
    1. 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.
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