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Inertia Dependent Droop Based Frequency Containment Process

Author

Listed:
  • Kaushik Das

    (Department of Wind Energy, Technical University of Denmark, 4000 Roskilde, Denmark)

  • Müfit Altin

    (Energy Systems Engineering Department, Izmir Institute of Technology, Urla, Izmir 35430, Turkey)

  • Anca D. Hansen

    (Department of Wind Energy, Technical University of Denmark, 4000 Roskilde, Denmark)

  • Poul E. Sørensen

    (Department of Wind Energy, Technical University of Denmark, 4000 Roskilde, Denmark)

Abstract

Presently, there is a large need for a better understanding and extensive quantification of grid stability for different grid conditions and controller settings. This article therefore proposes and develops a novel mathematical model to study and perform sensitivity studies for the capabilities of different technologies to provide Frequency Containment Process (FCP) in different grid conditions. A detailed mathematical analytical approach for designing inertia-dependent droop-based FCP is developed and presented in this article. Impacts of different droop settings for generation technologies operating with different inertia of power system can be analyzed through this mathematical approach resulting in proper design of droop settings. In contrast to the simulation-based model, the proposed novel mathematical model allows mathematical quantification of frequency characteristics such as nadir, settling time, ROCOF, time to reach the nadir with respect to controller parameters such as gain, droop, or system parameters such as inertia, volume, of imbalance. Comparative studies between cases of frequency containment reserves (FCR) provision from conventional generators and wind turbines (WTs) are performed. Observations from these simulations are analyzed and explained with the help of an analytical approach which provides the feasible range of droop settings for different values of system inertia. The proposed mathematical approach is validated on simulated Continental Europe (CE) network. The results show that the proposed methodology can be used to design the droop for different technology providing FCP in a power system operating within a certain range of inertia.

Suggested Citation

  • Kaushik Das & Müfit Altin & Anca D. Hansen & Poul E. Sørensen, 2019. "Inertia Dependent Droop Based Frequency Containment Process," Energies, MDPI, vol. 12(9), pages 1-20, April.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:9:p:1648-:d:227240
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    References listed on IDEAS

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    1. Müfit Altin & Jan Christian Kuhlmann & Kaushik Das & Anca Daniela Hansen, 2018. "Optimization of Synthetic Inertial Response from Wind Power Plants," Energies, MDPI, vol. 11(5), pages 1-15, April.
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    Cited by:

    1. Mariano G. Ippolito & Rossano Musca & Gaetano Zizzo, 2021. "Analysis and Simulations of the Primary Frequency Control during a System Split in Continental Europe Power System," Energies, MDPI, vol. 14(5), pages 1-22, March.

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