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The Propagation and Interaction of Supraharmonics from Electric Vehicle Chargers in a Low-Voltage Grid

Author

Listed:
  • Tim Slangen

    (Electrical Energy Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
    Testlab, Stichting ElaadNL, Utrechtseweg 310—Bldg B42, 6812 AR Arnhem, The Netherlands)

  • Thijs van Wijk

    (Testlab, Stichting ElaadNL, Utrechtseweg 310—Bldg B42, 6812 AR Arnhem, The Netherlands)

  • Vladimir Ćuk

    (Electrical Energy Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands)

  • Sjef Cobben

    (Electrical Energy Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands)

Abstract

The recent increase in large converter-based devices like electric vehicles and photovoltaics increases supraharmonic emissions in low-voltage grids, potentially affecting customer equipment and the grid. This paper aims to give an overview of the different factors influencing supraharmonic emissions from electric vehicles and studies the propagation of supraharmonic currents through a small, low-voltage grid. Measurements in an unique lab representing a possible future household gave valuable insight on the possible developments in primary and secondary supraharmonic emissions in a conventional or power-electronic-dominated system. Emission is, for some vehicles, influenced by the type of grid connection, whereas others show no difference in emission. The supraharmonic currents mainly stay within the local installation due to absorption of nearby devices. The level of voltage distortion is dependent on the connection impedance. During the measurements, another type of interaction between devices is observed in the form of “frequency beating” and intermodulation, in some cases resulting in the tripping of residual current devices. This interaction is further analyzed in order to better understand the possible impact it can have on the grid.

Suggested Citation

  • Tim Slangen & Thijs van Wijk & Vladimir Ćuk & Sjef Cobben, 2020. "The Propagation and Interaction of Supraharmonics from Electric Vehicle Chargers in a Low-Voltage Grid," Energies, MDPI, vol. 13(15), pages 1-20, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:15:p:3865-:d:391165
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    Citations

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    Cited by:

    1. Shimi Sudha Letha & Angela Espin Delgado & Sarah K. Rönnberg & Math H. J. Bollen, 2021. "Evaluation of Medium Voltage Network for Propagation of Supraharmonics Resonance," Energies, MDPI, vol. 14(4), pages 1-17, February.
    2. Łukasz Michalec & Paweł Kostyła & Zbigniew Leonowicz, 2022. "Supraharmonic Pollution Emitted by Nonlinear Loads in Power Networks—Ongoing Worldwide Research and Upcoming Challenges," Energies, MDPI, vol. 16(1), pages 1-14, December.
    3. Hui Zhou & Zesen Gui & Jiang Zhang & Qun Zhou & Xueshan Liu & Xiaoyang Ma, 2021. "A Quantification Method for Supraharmonic Emissions Based on Outlier Detection Algorithms," Energies, MDPI, vol. 14(19), pages 1-18, October.
    4. Bernhard Grasel & José Baptista & Manfred Tragner, 2022. "Supraharmonic and Harmonic Emissions of a Bi-Directional V2G Electric Vehicle Charging Station and Their Impact to the Grid Impedance," Energies, MDPI, vol. 15(8), pages 1-27, April.

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