Abstract

The wake effect causes power loss and severely reduces the power generation capacity of the wind farm. In order to reduce the impact of wakes, the current main method is to optimize the layout of wind farms, which is unrealistic for the completed wind farms. In contrast, yaw control is used to offset the wake, which minimizes the impact of wakes between WTs (Wind Turbines), thereby increasing the generating capacity of the WTs. In this paper, fluent software is used to simulate the effect of wake on the output power of the downwind WT in two tandem WTs, when the upstream WT yaws at different angles. By analyzing the change of the total output power after yaw, it is concluded that the total output power reaches the maximum when the upstream WT yaws 25°.

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