Short-term load forecast method for electric power system based on deeply recursive neural network
A recurrent neural network, short-term load forecasting technology, applied in biological neural network models, forecasting, neural architecture, etc., can solve problems such as difficulty in accurate forecasting
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[0044] Attached Figure 1-3 , To further explain the technical solution.
[0045] Step 1: Collect and summarize data such as grid load data and meteorological data in historical areas, and import them into the Excel database.
[0046] Step 2: Data preprocessing. In order to avoid neuron saturation, the original load data needs to be preprocessed. This will help the convergence of the training process and improve the prediction accuracy. The main preprocessing method is to count the maximum and minimum values of the historical load data in the training sample set, and normalize the load data to the [-1,1] interval, so that the data can be at the same level and speed up the neural network convergence .
[0047] Step 3: Determine the model structure.
[0048] DNN (Deep Neural Network) has a multi-hidden-layer structure, which repeatedly trains the input vector of the network to improve the accuracy of classification or prediction. The DNN prediction model is composed of an input lay...
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