System and method for correcting wind speed and wind direction of wind power plant unit

The invention provides a wind power plant unit wind speed and wind direction correction system, which comprises a cabin, a tower footing and a booster station, and is characterized in that the cabin comprises a sensor unit, a wind speed and wind direction correction edge control unit and a control unit, and the booster station comprises a big data correction server unit and a master control SCADA server unit; the sensor unit is used for acquiring original wind speed data and original wind direction data in real time; the wind speed and wind direction correction edge control unit is used for generating corrected wind direction data and corrected wind speed data; the control unit is used for controlling wind speed and wind direction of the wind power plant unit based on corrected wind direction data and wind speed data; the main control SCADA server unit is used for providing SCADA data; the big data correction server unit is used for calculating wind speed and wind direction correction values based on the orig