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Controlling the Reactive Power Demand of a Distribution Grid by Coordinated Action of Electric Vehicle Chargers

Author

Listed:
  • Matthias Schilcher

    (Bayernwerk Netz GmbH, Lilienthalstr. 7, 93049 Regensburg, Germany)

  • Sebastian Neff

    (Bayernwerk Netz GmbH, Lilienthalstr. 7, 93049 Regensburg, Germany)

  • Jeanette Muenderlein

    (Bayernwerk Netz GmbH, Lilienthalstr. 7, 93049 Regensburg, Germany)

Abstract

Various factors, particularly an increasing share in underground cable lines, can lead to excessive reactive power demand of distribution grids to their respective transport grids and, thus, to the need of costly compensation measures. At the same time, the occurrence of battery-electric cars is considerably increasing. It is, therefore, conceivable to provide reactive power as an inexpensive “waste product” by the charging converters of the cars as a solution to the aforementioned problem. In this research work, the idea is examined for its feasibility by means of extensive time series simulation using the example of a real existing distribution grid. It was found that, with a realistic number of charging points—especially public ones with integrated converter electronics—not only can the reactive power demand be reduced to an acceptable level but also additional reactive power can be provided as a service to the transport grid.

Suggested Citation

  • Matthias Schilcher & Sebastian Neff & Jeanette Muenderlein, 2023. "Controlling the Reactive Power Demand of a Distribution Grid by Coordinated Action of Electric Vehicle Chargers," Energies, MDPI, vol. 16(14), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:14:p:5502-:d:1198439
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    References listed on IDEAS

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    1. Behzad Zargar & Ting Wang & Manuel Pitz & Rainer Bachmann & Moritz Maschmann & Angelina Bintoudi & Lampros Zyglakis & Ferdinanda Ponci & Antonello Monti & Dimosthenis Ioannidis, 2021. "Power Quality Improvement in Distribution Grids via Real-Time Smart Exploitation of Electric Vehicles," Energies, MDPI, vol. 14(12), pages 1-26, June.
    2. Ana Pavlićević & Saša Mujović, 2022. "Impact of Reactive Power from Public Electric Vehicle Stations on Transformer Aging and Active Energy Losses," Energies, MDPI, vol. 15(19), pages 1-24, September.
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