Multi-fan array annual energy production improving method based on wake flow field optimization control
A technology of optimal control and multiple wind turbines, applied in wind power generation, wind turbines that are consistent with the wind direction, wind turbines, etc., and can solve problems such as difficulty in achieving optimal power in wind farms
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[0268] In order to verify the effectiveness of the solution of the present invention, the following simulation experiment is carried out on the fan array of a certain wind farm. The fan array is composed of five fans numbered A02, A03, A04, A05, and A06. When the inflow wind direction is 35°, fan A02 is the first fan; when the inflow wind direction is 215°, fan A06 is the first fan. Fans; the distances between fans A02, A03, A04, A05, and A06 are 383m, 316m, 314m, and 381m respectively; the power utilization coefficient of the five fans is 0.585, the lift coefficient is 0.9, and the radius of the wind rotor is 51.5m , the distance between the radar wind measuring point and the radar is 80m, the angle between the laser emitted by the radar and the central axis of the wind turbine is 30°, and the wake attenuation coefficient is 0.075.
[0269] The yaw error angle of the downstream fan A04 after compensation is as follows: Figure 5 As shown, it can be seen that the corrected ya...
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