Multi-source power failure prediction model construction method and system, terminal and storage medium

The invention relates to the technical field of machine learning, and particularly provides a multi-source power failure prediction model construction method and system, a terminal and a storage medium, and the method comprises the steps: obtaining transformer area meteorological data, power grid operation data and power failure record data; mining characteristic items having correlation with the power failure record data in the transformer area meteorological data and the power grid operation data, and screening training data from the transformer area meteorological data and the power grid operation data based on the characteristic items; expanding the training data to obtain a data set; a power failure prediction model is constructed, the power failure prediction model comprises a first sub-model and a second sub-model, output parameters of the first sub-model are power grid operation characteristic values, and an input layer of the second sub-model comprises the power grid operation characteristic values a