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Assessment of Grid-Connected Wind Turbines with an Inertia Response by Considering Internal Dynamics

Author

Listed:
  • Callum Henderson

    (Power Electronics, Drive and Energy Conversion Group, Electronic and Electrical Engineering Department, University of Strathclyde, Glasgow G1 1XW, UK)

  • Dimitrios Vozikis

    (Power Electronics, Drive and Energy Conversion Group, Electronic and Electrical Engineering Department, University of Strathclyde, Glasgow G1 1XW, UK)

  • Derrick Holliday

    (Power Electronics, Drive and Energy Conversion Group, Electronic and Electrical Engineering Department, University of Strathclyde, Glasgow G1 1XW, UK)

  • Xiaoyan Bian

    (Electrical Engineering College, Shanghai University of Electric Power, Shanghai 200090, China)

  • Agustí Egea-Àlvarez

    (Power Electronics, Drive and Energy Conversion Group, Electronic and Electrical Engineering Department, University of Strathclyde, Glasgow G1 1XW, UK)

Abstract

This paper presents a small-signal analysis of different grid side controllers for full power converter wind turbines with inertia response capability. In real wind turbines, the DC link controller, the drivetrain damping controller and the inertial response might present contradictory control actions in a close bandwidth range. This situation might lead to reduced control performance, increased component stress and non-compliance of connection agreements. The paper presents an analysis of the internal wind turbine dynamics by considering different grid-side converter control topologies: standard current control used in the wind industry, standard current control with inertia emulation capabilities and virtual synchronous machines. Comments are made on the similarities between each topology and the negative effects and limits, and possible remedies are discussed. Finally, the conclusion poses that the inclusion of a DC link voltage controller reduces the ability of a converter to respond to external frequency events without energy storage. The degradation increases with the DC link voltage control speed.

Suggested Citation

  • Callum Henderson & Dimitrios Vozikis & Derrick Holliday & Xiaoyan Bian & Agustí Egea-Àlvarez, 2020. "Assessment of Grid-Connected Wind Turbines with an Inertia Response by Considering Internal Dynamics," Energies, MDPI, vol. 13(5), pages 1-28, February.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:5:p:1038-:d:325399
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    References listed on IDEAS

    as
    1. Victor F. Mendes & Frederico F. Matos & Silas Y. Liu & Allan F. Cupertino & Heverton A. Pereira & Clodualdo V. De Sousa, 2016. "Low Voltage Ride-Through Capability Solutions for Permanent Magnet Synchronous Wind Generators," Energies, MDPI, vol. 9(1), pages 1-19, January.
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    Cited by:

    1. Hector Beltran & Sam Harrison & Agustí Egea-Àlvarez & Lie Xu, 2020. "Techno-Economic Assessment of Energy Storage Technologies for Inertia Response and Frequency Support from Wind Farms," Energies, MDPI, vol. 13(13), pages 1-21, July.
    2. Dimitrios Vozikis & Fahad Alsokhiry & Grain Philip Adam & Yusuf Al-Turki, 2020. "Novel Enhanced Modular Multilevel Converter for High-Voltage Direct Current Transmission Systems," Energies, MDPI, vol. 13(9), pages 1-14, May.

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