Articles | Volume 6, issue 3
Wind Energ. Sci., 6, 791–814, 2021
https://doi.org/10.5194/wes-6-791-2021
Wind Energ. Sci., 6, 791–814, 2021
https://doi.org/10.5194/wes-6-791-2021

Research article 02 Jun 2021

Research article | 02 Jun 2021

Active flap control with the trailing edge flap hinge moment as a sensor: using it to estimate local blade inflow conditions and to reduce extreme blade loads and deflections

Sebastian Perez-Becker et al.

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Short summary
Active trailing edge flaps can potentially enable further increases in wind turbine sizes without the disproportionate increase in loads, thus reducing the cost of wind energy even further. Extreme loads and critical deflections of the turbine blade are design-driving issues that can effectively be reduced by flaps. This paper considers the flap hinge moment as an input sensor for a flap controller that reduces extreme loads and critical deflections of the blade in turbulent wind conditions.