Robust loop shaping design pitch control of wind turbine for maximal power output and reduced loading

Anping Wan, Wenbin Gong, Atif Iqbal, Khalil AL-Bukhaiti, Yunsong Ji, Stanislaw Duer, Shidong Ma and Faren Yao

Energy, 2025, vol. 319, issue C

Abstract: Wind energy is increasingly important as a sustainable and renewable energy source, offering clean and pollutant-free power. Offshore wind turbines, in particular, are gaining prominence due to their higher power generation potential compared to onshore systems. However, maximizing energy extraction from these turbines presents significant challenges, with pitch angle control being a critical factor. This research introduces a two-degree-of-freedom robust loop-shaping design controller that leverages individual pitch control to address these challenges. By integrating robust control principles and loop-shaping techniques, the proposed strategy enhances both the stability and dynamic performance of wind turbine systems. The controller is specifically tailored for a 6.8 MW wind turbine system and aims to optimize power output while mitigating structural loads and ensuring system reliability. Individual pitch control enables the proposed method to adaptively manage asymmetric aerodynamic loads on turbine blades, further improving efficiency and extending operational life. A comprehensive comparative analysis with existing control techniques, using simulation benchmarks, demonstrates the superior performance of the proposed strategy in maximizing energy extraction and maintaining operational stability under varying wind conditions. These findings underscore the potential of the proposed controller to address critical challenges in offshore wind energy systems and pave the way for more efficient and reliable power generation.

Keywords: Wind energy; Pitch control; Output power; Loop shaping; Controller (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:319:y:2025:i:c:s0360544225007789

DOI: 10.1016/j.energy.2025.135136

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