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Frequency-Power Control of VSWTG for Improved Frequency Regulation

In: Advances in Modelling and Control of Wind and Hydrogenerators

Author

Listed:
  • Asma Aziz

Abstract

With increasing wind energy penetration and impending grid codes, it is important to enable wind-based power plants to provide sensitive frequency response in grids that may experience irregular frequency fluctuations with noise induced. Transient low-frequency deviations are handled by inertial control, while active power frequency response controller is needed for high-frequency control. A frequency processor-based frequency-active power set point controller architecture for variable speed wind turbine generator (VSWTG) is presented in this paper. Grid frequency processor based on moving averaged frequency and dynamic dead-band is tested for two different grid codes. Generated active power set point is provided to a modified torque-pitch control loop in type 3 and type 4 variable speed wind turbine generator generic models. Delay model of hydro system in a single area load frequency control is applied to investigate frequency support from proposed frequency response controller-based VSWTG. Area frequency response along with VSWTG electrical power support is compared with other droop-based VSWTG model to establish the superiority of proposed frequency-active power controller-based VSWTG over other droop-based VSWTG models.

Suggested Citation

  • Asma Aziz, 2020. "Frequency-Power Control of VSWTG for Improved Frequency Regulation," Chapters, in: Amir Ebrahimi (ed.), Advances in Modelling and Control of Wind and Hydrogenerators, IntechOpen.
    • Handle: RePEc:ito:pchaps:160880
    DOI: 10.5772/intechopen.89975
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    More about this item

    Keywords

    frequency response; VSWTG; active power control; frequency grid code; load frequency control;
    All these keywords.

    JEL classification:

    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General

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