Short-term wind power prediction method, system and equipment based on extension and medium

The invention belongs to the field of wind power prediction, and discloses an extension-based short-term wind power prediction method, system and device and a medium, and the method comprises the steps: obtaining short-term data of a wind turbine generator; preprocessing the short-term data, and performing extension representation on the preprocessed short-term data based on extension to obtain a wind power prediction model; extracting main characteristic factor data influencing the power of the wind turbine generator and corresponding wind turbine generator power observation data based on the wind power prediction model; performing extension clustering analysis on the wind turbine generator power observation data to obtain grading data of the wind turbine generator power, and calculating weight data of the main characteristic factor data based on the grading data; and performing multiple regression prediction in the wind power prediction model to obtain wind power prediction data. According to the technical