A method of transient stability assessment of power system
A transient stability assessment, power system technology, applied in neural learning methods, information technology support systems, electrical components, etc., can solve problems such as unfavorable model performance, improvement, and inability to fully utilize similar data sets, and improve generalization capabilities. , the effect of improving the accuracy
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[0010] The method for predicting the transient stability of the power system proposed by the present invention firstly collects the data of the power system before the fault and the transient stability label from the transient stability simulation data, and obtains the statistical results of the transient stability label and the maximum and minimum method. The data sets under different preset faults are obtained; then, the similarity evaluation index of different preset faults is constructed based on the Jaccard distance and the Hausdorff distance, and the clustering algorithm is used to realize the clustering of different preset faults; The siamese neural network sharing the training parameters of different preset faults, the multi-task siamese neural network for transient stability evaluation is obtained; finally, according to the statistical results of the transient stability labels and the multi-task siamese neural network for transient stability evaluation, The transient s...
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