Abstract
As an important component of renewable energy, wind energy is a kind of power generation method with the most mature, most developed conditions and broad commercial prospects in renewable energy technology. The development of wind power has continuously exceeded its expected development speed and has maintained the status of the world’s fastest-growing energy source. To ensure the stable and efficient conversion of wind energy by wind turbines, not only depends on the reliability of the wind power generation equipment itself, but also the wind turbine control system is also an important factor for the wind energy conversion system, or even become a long-term safe and reliable operation of the wind farm. Therefore, the control system has become a research hotspot. The key to the efficient and stable operation of the entire wind energy conversion system is control technology, including yaw control, pitch angle control, and maximum power point tracking control. The active yaw control system is one of the important components of the horizontal axis wind turbine control system. To eliminate the uncertainty of the influence of wind direction on turbine power, this paper verifies a composite yaw control system. Through an active yaw system and maximum power point tracking system, the turbine position and rotation speed are adjusted to enable the wind turbine to accurately track the wind direction, capture wind energy to the greatest extent. The results show that the active yaw system can accurately track the wind direction, effectively use wind energy, and meet the control requirements of the yaw system.
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