Optimum Operational Parameters for Yawed Wind Turbines

Optimum Operational Parameters for Yawed Wind Turbines

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A set of systematical optimum operational parameters for wind turbines under various wind directions is derived by using combined momentum-energy and blade-element-energy concepts.The derivations are solved numerically by fixing some parameters at practical values.Then, the interactions between the produced power and the influential factors of it are moen finney generated in the figures.It is shown that the maximum power produced is strongly affected by the wind direction, the tip speed, the bempresas.com pitch angle of the rotor, and the drag coefficient, which are specifically indicated by figures.It also turns out that the maximum power can take place at two different optimum tip speeds in some cases.

The equations derived herein can also be used in the modeling of tethered wind turbines which can keep aloft and deliver energy.