Method, device and system for calculating theoretical line loss of transformer area

The invention discloses a transformer area theoretical line loss calculation method, device and system, and the method comprises the steps: constructing a time series data set based on the historical feature data of each transformer area and the corresponding theoretical line loss value; training a line loss prediction model by using the time sequence data set to obtain an initial weight of the line loss prediction model; and obtaining feature data of each transformer area on the current day, inputting the feature data into the line loss prediction model, and predicting a predicted theoretical line loss value on the current day by using the line loss prediction model. According to the method, theoretical line loss analysis of the whole transformer area can be more accurately realized, and transformer area line state operation and maintenance and accurate maintenance are facilitated. 本发明公开了一种台区理论线损计算方法、装置及系统，所述方法包括基于每个台区的历史特征数据及其对应的理论线损值，构建时序数据集；利用所述时序数据集训练线损预测模型，获得线损预测模型的初始权重；获取每个台区的当日特征数据，并输入至所述线损预测模型，利用所述线损