The invention provides a
transformer area distributed photovoltaic power prediction method and
system, and the method comprises the steps: carrying out the clustering according to meteorological feature vectors in meteorological data through employing a clustering
algorithm, dividing a source domain shared
data set into similar data sets of different
weather prediction scenes, training an Informer basic source
domain model through employing a key representative sample in each prediction scene, and carrying out the prediction of the power of a
transformer area. In the prediction process, the similarity between the meteorological characteristics of the day to be predicted and the meteorological characteristics of the typical weather scene is calculated, and the
weather prediction scene and the corresponding basic source
domain model are dynamically matched for each
transformer area; and screening a key historical similar day of a day to be predicted of each transformer area as a micro
training set, and dynamically updating decoder parameters of the adaptive Informer basic source
domain model based on a model
fine tuning thought of transfer learning to obtain a power prediction result of each transformer area. According to the method, the pertinence of a prediction result is improved, so that rapid modeling of distributed photovoltaic power prediction of massive transformer areas is realized.