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Coordinated Control of Multiple Virtual Synchronous Generators in Mitigating Power Oscillation

Author

Listed:
  • Pan Hu

    (State Grid Hubei Electric Power Research Institute, Wuhan 430072, China)

  • Hongkun Chen

    (School of Electrical Engineering, Wuhan University, Wuhan 430072, China)

  • Kan Cao

    (State Grid Hubei Electric Power Research Institute, Wuhan 430072, China)

  • Yuchuan Hu

    (State Grid Hubei Electric Power Research Institute, Wuhan 430072, China)

  • Ding Kai

    (State Grid Hubei Electric Power Research Institute, Wuhan 430072, China)

  • Lei Chen

    (School of Electrical Engineering, Wuhan University, Wuhan 430072, China)

  • Yi Wang

    (State Grid Hubei Electric Power Research Institute, Wuhan 430072, China)

Abstract

Virtual synchronous generators (VSGs) present attractive technical advantages and contribute to enhanced system operation and reduced oscillation damping in dynamic systems. Traditional VSGs often lack an interworking during power oscillation. In this paper, a coordinated control strategy for multiple VSGs is proposed for mitigating power oscillation. Based on a theoretical analysis of the parameter impact of VSGs, a coordinated approach considering uncertainty is presented by utilizing polytopic linear differential inclusion (PLDI) and a D-stable model to enhance the small-signal stability of system. Subsequently, the inertia and damping of multiple VSGs are jointly exploited to reduce oscillation periods and overshoots during transient response. Simulation, utilizing a two-area four-machine system and a typical microgrid test system, demonstrates the benefits of the proposed strategy in enhancing operation stability and the anti-disturbing ability of multiple VSGs. The results conclusively confirm the validity and applicability of the method.

Suggested Citation

  • Pan Hu & Hongkun Chen & Kan Cao & Yuchuan Hu & Ding Kai & Lei Chen & Yi Wang, 2018. "Coordinated Control of Multiple Virtual Synchronous Generators in Mitigating Power Oscillation," Energies, MDPI, vol. 11(10), pages 1-17, October.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:10:p:2788-:d:176260
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    References listed on IDEAS

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    1. Kozlova, Mariia, 2017. "Real option valuation in renewable energy literature: Research focus, trends and design," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 180-196.
    2. Collins, Seán & Deane, John Paul & Poncelet, Kris & Panos, Evangelos & Pietzcker, Robert C. & Delarue, Erik & Ó Gallachóir, Brian Pádraig, 2017. "Integrating short term variations of the power system into integrated energy system models: A methodological review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 76(C), pages 839-856.
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    Cited by:

    1. Teuvo Suntio & Tuomas Messo, 2019. "Power Electronics in Renewable Energy Systems," Energies, MDPI, vol. 12(10), pages 1-5, May.

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