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A Novel VSG with Adaptive Virtual Inertia and Adaptive Damping Coefficient to Improve Transient Frequency Response of Microgrids

Author

Listed:
  • Erico Gurski

    (Department of Electrical Engineering, Federal University of Parana (UFPR), Curitiba 81530-000, Brazil)

  • Roman Kuiava

    (Department of Electrical Engineering, Federal University of Parana (UFPR), Curitiba 81530-000, Brazil)

  • Filipe Perez

    (Supergrid Institute, 69100 Villeurbanne, France)

  • Raphael A. S. Benedito

    (Department of Electrical Engineering, Federal University of Technology—Parana (UTFPR), Curitiba 80230-901, Brazil)

  • Gilney Damm

    (Department of Components and Systems—Instrumentation, Modeling, Simulation and Experimentation Laboratory (COSYS-IMSE, IFSTTAR), University Gustave Eiffel, 77454 Marne-la-Vallée, France)

Abstract

This paper proposes a combined adaptive virtual Inertia and adaptive damping control of a virtual synchronous generator (AID-VSG) to improve the dynamic frequency response of microgrids. In the proposed control scheme, the VSG’s virtual inertia and damping coefficients adapt themselves during the transients to, respectively, reduce frequency deviations and increase the oscillations’ damping. In addition, as an important feature, the proposed AID-VSG is suitable for distributed control scheme applications and is designed to not rely on phase-locked loop (PLL) measurements, which avoids PLL stability issues on weak grids. The control parameters of the proposed AID-VSG are tuned by the particle swarm optimization (PSO) algorithm to minimize the overshoot and settling time of the microgrid’s frequency during an islanding event. The AID-VSG is validated by a comparative analysis with three existing VSG control schemes, also tuned by the stated optimization algorithm. The performance of each compared VSG strategy is evaluated through the simulation of a set of 10,000 initial conditions, using the islanded microgrid’s nonlinear model. The best response among the VSG strategies was achieved by the proposed AID-VSG control for both the optimization problem and the set of initial conditions’ simulations.

Suggested Citation

  • Erico Gurski & Roman Kuiava & Filipe Perez & Raphael A. S. Benedito & Gilney Damm, 2024. "A Novel VSG with Adaptive Virtual Inertia and Adaptive Damping Coefficient to Improve Transient Frequency Response of Microgrids," Energies, MDPI, vol. 17(17), pages 1-22, September.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:17:p:4370-:d:1469039
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    References listed on IDEAS

    as
    1. Sue Wang & Yuxin Xie, 2023. "Virtual Synchronous Generator (VSG) Control Strategy Based on Improved Damping and Angular Frequency Deviation Feedforward," Energies, MDPI, vol. 16(15), pages 1-14, July.
    2. Alghamdi, Baheej & Cañizares, Claudio, 2022. "Frequency and voltage coordinated control of a grid of AC/DC microgrids," Applied Energy, Elsevier, vol. 310(C).
    3. Hao Liu & Bo Yang & Song Xu & Mingjian Du & Shuai Lu, 2023. "Universal Virtual Synchronous Generator Based on Extended Virtual Inertia to Enhance Power and Frequency Response," Energies, MDPI, vol. 16(7), pages 1-20, March.
    4. Rongliang Shi & Caihua Lan & Ji Huang & Chengwei Ju, 2023. "Analysis and Optimization Strategy of Active Power Dynamic Response for VSG under a Weak Grid," Energies, MDPI, vol. 16(12), pages 1-18, June.
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