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Comparison of Control Strategies to Realize Synthetic Inertia in Converters

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  • Jürgen Marchgraber

    (Institute of Energy Systems and Electrical Drives, TU Wien, 1040 Vienna, Austria)

  • Christian Alács

    (Institute of Energy Systems and Electrical Drives, TU Wien, 1040 Vienna, Austria)

  • Yi Guo

    (Institute of Energy Systems and Electrical Drives, TU Wien, 1040 Vienna, Austria)

  • Wolfgang Gawlik

    (Institute of Energy Systems and Electrical Drives, TU Wien, 1040 Vienna, Austria)

  • Adolfo Anta

    (Center for Energy, Austrian Institute of Technology, 1210 Vienna, Austria)

  • Alexander Stimmer

    (Austrian Power Grid, 1220 Vienna, Austria)

  • Martin Lenz

    (Austrian Power Grid, 1220 Vienna, Austria)

  • Manuel Froschauer

    (Austrian Power Grid, 1220 Vienna, Austria)

  • Michaela Leonhardt

    (Austrian Power Grid, 1220 Vienna, Austria)

Abstract

The increasing amount of renewable energy sources in the electrical energy system leads to an increasing number of converter-based generators connected to the electrical power grid. Other than conventional power plants that are often connected to the grid via synchronous generators, converter-based generators do not provide mechanical inertia intrinsically. Therefore, ensuring frequency stability in the electrical power grid might become even more difficult in the future. With the concept of synthetic inertia, the converter-based generators partially imitate the behavior of conventional generators. By implementing such a concept in converters, they are capable of contributing to frequency stability as well. This paper compares two strategies to realize synthetic inertia by modeling converter-based generators in MATLAB/SIMULINK and simulating their behavior in a small Microgrid. The results prove that any kind of realization of synthetic inertia helps to improve frequency stability. Each of the two investigated strategies may have their scope of application in a future electrical energy system.

Suggested Citation

  • Jürgen Marchgraber & Christian Alács & Yi Guo & Wolfgang Gawlik & Adolfo Anta & Alexander Stimmer & Martin Lenz & Manuel Froschauer & Michaela Leonhardt, 2020. "Comparison of Control Strategies to Realize Synthetic Inertia in Converters," Energies, MDPI, vol. 13(13), pages 1-21, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:13:p:3491-:d:380892
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    References listed on IDEAS

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    1. Rezkalla, Michel & Zecchino, Antonio & Martinenas, Sergejus & Prostejovsky, Alexander M. & Marinelli, Mattia, 2018. "Comparison between synthetic inertia and fast frequency containment control based on single phase EVs in a microgrid," Applied Energy, Elsevier, vol. 210(C), pages 764-775.
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    Cited by:

    1. Jürgen Marchgraber & Wolfgang Gawlik, 2021. "Dynamic Prioritization of Functions during Real-Time Multi-Use Operation of Battery Energy Storage Systems," Energies, MDPI, vol. 14(3), pages 1-36, January.
    2. Ifedayo Oladeji & Ramon Zamora & Tek Tjing Lie, 2021. "An Online Security Prediction and Control Framework for Modern Power Grids," Energies, MDPI, vol. 14(20), pages 1-27, October.
    3. Jürgen Marchgraber & Wolfgang Gawlik, 2020. "Investigation of Black-Starting and Islanding Capabilities of a Battery Energy Storage System Supplying a Microgrid Consisting of Wind Turbines, Impedance- and Motor-Loads," Energies, MDPI, vol. 13(19), pages 1-24, October.

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