Grid Frequency Support by Single-Phase Electric Vehicles: Fast Primary Control Enhanced by a Stabilizer Algorithm

Antonio Zecchino, Michel M.N. Rezkalla, Mattia Marinelli

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    Abstract

    Electric vehicles are growing in popularity as a zero emission and efficient mode of transport against traditional internal combustion engine-based vehicles. Considerable as flexible distributed energy storage systems, by adjusting the battery charging process they can potentially provide different ancillary services for supporting the power grid. This paper presents modeling and analysis of the benefits of primary frequency regulation by electric vehicles in a microgrid. An innovative control logic algorithm is introduced, with the purpose of curtailing the number of current set-point variations that the battery needs to perform during the regulation process. It is shown that, compared to traditional droop-control approaches, the proposed solution assures same effects in terms of frequency containment, by employing a considerably lower number of variations of battery current set-point. The modeled low voltage microgrid is built to reproduce a real configuration of the experimental facility SYSLAB-PowerLabDK. Root-meansquare simulation studies have been carried out in DIgSILENT PowerFactory environment for the validation of the controller.
    Original languageEnglish
    Title of host publication2016 Proceedings of the 51st International Universities Power Engineering Conference
    Number of pages6
    PublisherIEEE
    Publication date2016
    DOIs
    Publication statusPublished - 2016
    Event51st International Universities Power Engineering Conference - Coimbra, Portugal
    Duration: 6 Sept 20169 Sept 2016

    Conference

    Conference51st International Universities Power Engineering Conference
    Country/TerritoryPortugal
    CityCoimbra
    Period06/09/201609/09/2016

    Keywords

    • Distributed Energy Resources
    • Electric Vehicle
    • Fast Primary Control
    • Frequency Support

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