Major research outcome
- Ph.D. Candidate Moosarreza Shokati and Professor Sang Lee Unveil Structural Spectral Fingerprints Behind Reliability Trade-offs in Floating Wind Farm Wake Control
- 관리자 |
- 2026-04-17 09:26:23|
- 59
- 2026-04-17 09:26:23|
Floating offshore wind farms are attracting growing attention as a next-generation renewable energy solution for deep-water environments. While active wake control strategies can improve downstream power production, their structural impact on the upstream floating turbine has remained insufficiently understood. This study addresses this critical challenge by connecting wind farm control performance with turbine structural reliability, a key requirement for practical deployment.
The research established a fully coupled aero-hydro-servo-elastic simulation framework by integrating FAST and AQWA for a DTU 10 MW TetraSpar floating offshore wind turbine. Using this framework, two representative active wake control methods—Dynamic Induction Control (DIC) and Dynamic Individual Pitch Control (DIPC)—were systematically evaluated under realistic offshore wind and wave conditions to investigate their effects on platform motion and fatigue loading.
The study revealed the control-to-structure pathways through which wake control influences floating turbine fatigue behavior. DIC significantly increased low-frequency thrust oscillations, amplifying platform motion and tower-base fatigue. In contrast, DIPC reduced tower fatigue by redistributing aerodynamic loading into blade-level azimuthal modes. The findings identify DIPC as a more structurally balanced wake control strategy for floating wind applications.
This work provides a practical fatigue-aware control design guideline for future floating offshore wind farms and offers a technical roadmap for optimizing control systems without compromising turbine lifespan, thereby advancing the practical feasibility of large-scale floating wind energy systems.
This study was published in the March 2026 issue of Renewable Energy, a premier international journal in Green & Sustainable Science & Technology, ranked in the top-tier (Q1) JCR category.
https://doi.org/10.1016/j.renene.2026.125623
The research established a fully coupled aero-hydro-servo-elastic simulation framework by integrating FAST and AQWA for a DTU 10 MW TetraSpar floating offshore wind turbine. Using this framework, two representative active wake control methods—Dynamic Induction Control (DIC) and Dynamic Individual Pitch Control (DIPC)—were systematically evaluated under realistic offshore wind and wave conditions to investigate their effects on platform motion and fatigue loading.
The study revealed the control-to-structure pathways through which wake control influences floating turbine fatigue behavior. DIC significantly increased low-frequency thrust oscillations, amplifying platform motion and tower-base fatigue. In contrast, DIPC reduced tower fatigue by redistributing aerodynamic loading into blade-level azimuthal modes. The findings identify DIPC as a more structurally balanced wake control strategy for floating wind applications.
This work provides a practical fatigue-aware control design guideline for future floating offshore wind farms and offers a technical roadmap for optimizing control systems without compromising turbine lifespan, thereby advancing the practical feasibility of large-scale floating wind energy systems.
This study was published in the March 2026 issue of Renewable Energy, a premier international journal in Green & Sustainable Science & Technology, ranked in the top-tier (Q1) JCR category.
https://doi.org/10.1016/j.renene.2026.125623
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