Articles | Volume 6, issue 5
https://doi.org/10.5194/wes-6-1079-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-6-1079-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Effect of individual blade pitch angle misalignment on the remaining useful life of wind turbines
Matthias Saathoff
CORRESPONDING AUTHOR
P. E. Concepts GmbH, Wiener Str. 5, 28359 Bremen, Germany
Malo Rosemeier
CORRESPONDING AUTHOR
Department of Rotor Blades, Fraunhofer IWES, Fraunhofer Institute for Wind Energy Systems, Am Seedeich 45, 27572 Bremerhaven, Germany
Thorsten Kleinselbeck
WIND-consult GmbH, Reuterstr. 9, 18211 Bargeshagen, Germany
Bente Rathmann
P. E. Concepts GmbH, Wiener Str. 5, 28359 Bremen, Germany
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Cited
15 citations as recorded by crossref.
- Imbalance-induced nonlinear vibrations in wind turbine towers L. da Mata Rocha Menezes et al. https://doi.org/10.1016/j.ijnonlinmec.2026.105371
- Diagnosis Algorithm for Wind Turbine Blade Imbalance based on Nacelle Acceleration D. Jeong & I. Paek https://doi.org/10.1088/1742-6596/3224/6/062027
- A review of failure prognostics for predictive maintenance of offshore wind turbines W. Zhang et al. https://doi.org/10.1088/1742-6596/2362/1/012043
- Automatic detection and correction of aerodynamic imbalances: a noise-based approach C. Sucameli et al. https://doi.org/10.1088/1742-6596/2767/2/022022
- New method to characterize aerodynamic flow state around wind turbine blades D. Voisin et al. https://doi.org/10.5194/wes-11-1383-2026
- Quantification of performance degradation due to wind turbine aging: Estimating the reduction in annual energy production using the annual degradation rate D. Kim & B. Kim https://doi.org/10.1016/j.energy.2025.136142
- Rotor imbalance detection and diagnosis in floating wind turbines by means of drivetrain condition monitoring F. Mehlan & A. Nejad https://doi.org/10.1016/j.renene.2023.04.102
- Prognostics of Thermal Anomalies in Wind Turbines via Deep Learning and Conformal Prediction Using SCADA Data A. Benabdesselam et al. https://doi.org/10.1109/ACCESS.2026.3694778
- On the Analysis and Synthesis of Wind Turbine Side–Side Tower Load Control via Demodulation A. Pamososuryo et al. https://doi.org/10.1109/TCST.2024.3377508
- A review of prognostics and health management techniques in wind energy J. Cuesta et al. https://doi.org/10.1016/j.ress.2025.111004
- Demonstration of an Integrated Framework to Support Major Wind Energy Investments A. Kerr & R. Carriveau https://doi.org/10.1088/1742-6596/3185/1/012006
- Blade-tower clearance-based aerodynamic imbalance analysis and fault diagnosis of wind turbines J. Pan et al. https://doi.org/10.1177/13694332251360070
- Development and experimental evaluation of a mixing device for the dry production of sodium percarbonate F. Abdullayev et al. https://doi.org/10.1016/j.nxcen.2026.100029
- A machine-learning-based approach for active monitoring of blade pitch misalignment in wind turbines S. Milani et al. https://doi.org/10.5194/wes-10-497-2025
- Wind farm analysis using SailoR diagram-based diagnostics to quantify yaw misalignment correction A. Ulazia et al. https://doi.org/10.1016/j.ecmx.2025.100890
15 citations as recorded by crossref.
- Imbalance-induced nonlinear vibrations in wind turbine towers L. da Mata Rocha Menezes et al. https://doi.org/10.1016/j.ijnonlinmec.2026.105371
- Diagnosis Algorithm for Wind Turbine Blade Imbalance based on Nacelle Acceleration D. Jeong & I. Paek https://doi.org/10.1088/1742-6596/3224/6/062027
- A review of failure prognostics for predictive maintenance of offshore wind turbines W. Zhang et al. https://doi.org/10.1088/1742-6596/2362/1/012043
- Automatic detection and correction of aerodynamic imbalances: a noise-based approach C. Sucameli et al. https://doi.org/10.1088/1742-6596/2767/2/022022
- New method to characterize aerodynamic flow state around wind turbine blades D. Voisin et al. https://doi.org/10.5194/wes-11-1383-2026
- Quantification of performance degradation due to wind turbine aging: Estimating the reduction in annual energy production using the annual degradation rate D. Kim & B. Kim https://doi.org/10.1016/j.energy.2025.136142
- Rotor imbalance detection and diagnosis in floating wind turbines by means of drivetrain condition monitoring F. Mehlan & A. Nejad https://doi.org/10.1016/j.renene.2023.04.102
- Prognostics of Thermal Anomalies in Wind Turbines via Deep Learning and Conformal Prediction Using SCADA Data A. Benabdesselam et al. https://doi.org/10.1109/ACCESS.2026.3694778
- On the Analysis and Synthesis of Wind Turbine Side–Side Tower Load Control via Demodulation A. Pamososuryo et al. https://doi.org/10.1109/TCST.2024.3377508
- A review of prognostics and health management techniques in wind energy J. Cuesta et al. https://doi.org/10.1016/j.ress.2025.111004
- Demonstration of an Integrated Framework to Support Major Wind Energy Investments A. Kerr & R. Carriveau https://doi.org/10.1088/1742-6596/3185/1/012006
- Blade-tower clearance-based aerodynamic imbalance analysis and fault diagnosis of wind turbines J. Pan et al. https://doi.org/10.1177/13694332251360070
- Development and experimental evaluation of a mixing device for the dry production of sodium percarbonate F. Abdullayev et al. https://doi.org/10.1016/j.nxcen.2026.100029
- A machine-learning-based approach for active monitoring of blade pitch misalignment in wind turbines S. Milani et al. https://doi.org/10.5194/wes-10-497-2025
- Wind farm analysis using SailoR diagram-based diagnostics to quantify yaw misalignment correction A. Ulazia et al. https://doi.org/10.1016/j.ecmx.2025.100890
Saved (final revised paper)
Latest update: 03 Sep 2026
Short summary
Wind turbine blade misalignments were measured. About 38 % of the turbines measured have been operating outside the accepted misalignment range. This research quantifies the effect of the measured misalignment on the turbine lifetime by means of simulations. The lifetimes of the main frame at the tower top and the tower base were affected most by a blade misalignment. To avoid a lifetime reduction, blade misalignments should be identified and corrected as early as possible during the lifetime.
Wind turbine blade misalignments were measured. About 38 % of the turbines measured have been...
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