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Reduced-Order-VSM-Based Frequency Controller for Wind Turbines

Author

Listed:
  • Liang Lu

    (Department of Wind Energy, Technical University of Denmark, Frederiksborgvej 399, 4000 Roskilde, Denmark)

  • Oscar Saborío-Romano

    (Department of Wind Energy, Technical University of Denmark, Frederiksborgvej 399, 4000 Roskilde, Denmark)

  • Nicolaos A. Cutululis

    (Department of Wind Energy, Technical University of Denmark, Frederiksborgvej 399, 4000 Roskilde, Denmark)

Abstract

Frequency support capability is becoming an important requirement for wind turbines, as wind power is increasingly integrated into power systems. In this paper, a frequency controller is implemented and validated. Such a controller allows wind turbines to help regulate the system frequency automatically and includes virtual inertia to help limit the rate of change of frequency. Compared with other methods, the controller achieves satisfactory frequency support capability with considerable simplicity. The controller is added to the grid-side converter controls, together with cascaded inner loops, which enables wind turbines to operate in grid-forming mode with overcurrent protection. The influence of the controller parameters on the frequency response is investigated.

Suggested Citation

  • Liang Lu & Oscar Saborío-Romano & Nicolaos A. Cutululis, 2021. "Reduced-Order-VSM-Based Frequency Controller for Wind Turbines," Energies, MDPI, vol. 14(3), pages 1-11, January.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:3:p:528-:d:483876
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    Cited by:

    1. Liang Lu & Oscar Saborío-Romano & Nicolaos A. Cutululis, 2022. "Frequency Control in Power Systems with Large Share of Wind Energy," Energies, MDPI, vol. 15(5), pages 1-12, March.

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