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The accurate and practical wind speed model of wind farm is the basis of the relevant research work of wind power prediction. This paper based on the wind farm and the real-time data of wind turbine, put forward a kind of dynamic distribution model of wind speed that consider the wind turbine wake and wake flow superimposed effect and time delay effect, and considering the relative space position of wind machine in different wind direction. First analyzing the influence of the wake effect, wake flow superimposed effect, time delay effect and the change of wind direction on the wind speed in theory, establishing the mathematical model of wind speed that considered interference effects; secondly, based on fan location map and the measured wind speed of an actual wind farm, using the established the model to take simulation analysis of the distribution of wind speed, and taking deviation analysis on the simulation results and the actual wind speed data of the distribution dynamic model of wind speed and the traditional wind speed model put forward by this paper. The results show that the wind speed model put forward by this paper can more accurately simulated the attenuation, delay of the wind speed of the wind farm when the wind direction changed, and having practicability.

Dynamic Model of Wind Speed Distribution in Wind Farm Considering the Impact of Wind Direction and Interference Effects