The present invention relates to a wind direction and velocity forecasting system and method using a network of a wind park and, more particularly, to a wind direction and velocity forecasting system and method using a network of a wind park, which corrects each wind direction and velocity of wind turbines through the network of the wind park and analyzes information about the wind direction and velocity of a normally operating wind turbine to utilize the analyzed result to forecast a wind direction and velocity of a troubled wind turbine. In addition, although an anemoscope and an anemometer are out of order, the wind direction and velocity forecasting system allows the corresponding wind turbine to be normally operated so that the operation ratio can be increased. The wind direction and velocity forecasting system according to the present invention includes a network installed in a wind park to allow a plurality of wind turbines in the wind park to communicate with each other; anemoscopes and anemometers installed at each of the wind turbines to sense wind directions and velocities, respectively; and a wind direction/velocity forecasting unit for receiving the signals sensed by the anemoscopes and anemometers, wherein, when an anemoscope and anemometer are out of order, wind direction/velocity forecasting unit forecasts a wind direction and velocity at a position at which a wind turbine having the troubled anemoscope and anemometer is located such that the forecasted wind direction and velocity is utilized to normally operate the corresponding wind turbine.
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