Power and rotational speed control of a wind turbine using predictive controllers
DOI:
https://doi.org/10.33131/24222208.311Keywords:
Wind turbines, LQPC control, GPC control, Frequency regulation, Power systemsAbstract
The stability of the power systems is an area of great attention at present since it is required to comply with a determined quality standard in the supplied energy service. Such quality can be affected by the variability in power generated from renewable sources, due to the dependence on climatic and environmental conditions. For this reason, it is necessary to apply control strategies that allow integration of renewable sources while minimizing their adverse effects in the power grid. For the particular case of wind turbines, it is desirable to include their operational limits in control schemes to avoid damages for improper use. In this work, LQPC and GPC control strategies are proposed to control the angular speed and torque of a wind turbine. These schemes must guarantee a given reference value in output power, and to avoid sudden variations in the angular velocity that can generate wear or mechanical stress in wind turbines.
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