Abstract
This paper is aimed to explore the effects of the yaw error and the wind-wave misalignment on the dynamic characteristics of the floating offshore wind turbine (FOWT). Multiple conditions of the yaw error and the wind-wave misalignment are generated. The time-domain software FAST is adopted to assess the reliability and safety of the FOWT in different conditions of the external environment. The results reveal that the efficiency and stability of the power generation are significantly affected by the yaw error. Moreover, the yaw error will decrease the effective power and increase the power fluctuation. However, the yaw error has little effects on the motion and the structural load of wind turbines. In addition, the wind-wave misalignment also has little effects on power generation, but it greatly affects the motion and the structural load of wind turbines. The yaw error and the wind-wave misalignment are closely related to the performances of the FOWT. Therefore, it is essential to explore the effects of the yaw error and the wind-wave misalignment on the entire wind turbine and take them into consideration in the design.
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