A feedforward approach in individual pitch control of wind turbines
DOI:
https://doi.org/10.17979/ja-cea.2025.46.12058Keywords:
Control of renewable energy resources, Process control, Vibration control, Wind turbines, Individual pitch control, Feedforward controlAbstract
To reduce the periodic loads on wind turbine blades, there are individual blade pitch control (IPC) strategies, which add a different component to each blade, complementing the collective blade pitch control (CPC), which regulates the angular speed of the turbine. While these methods significantly reduce blade fatigue compared to CPC, they significantly increase the blade pitch activity, which can damage the actuators. This study addresses this trade-off by proposing an adaptive feedforward IPC that allows the IPC effort to be adjusted, which is difficult in traditional IPC schemes and rarely studied. The trade-off between reducing blade fatigue and increasing pitch effort is analyzed for a 15 MW offshore monopile wind turbine operating in the nominal region. Among the different tunings, the one that stands out is the one where the percentage of fatigue reduction and increase in control effort compared to the CPC is the same, around 16%.
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Copyright (c) 2025 Manuel Lara, Mario Ruz, Francisco Vázquez, Juan Garrido
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