WANG Weitao,ZHAO Jian,WANG Xiaoyu.Abnormal Electricity Consumption Detection Based on Hedge-Antagonism Mechanism and Graph Attention Network[J].Automation of Electric Power Systems,2022,46(22):120-128.
WANG Weitao,ZHAO Jian,WANG Xiaoyu.Abnormal Electricity Consumption Detection Based on Hedge-Antagonism Mechanism and Graph Attention Network[J].Automation of Electric Power Systems,2022,46(22):120-128. DOI: 10.7500/AEPS20210804008.
Abnormal Electricity Consumption Detection Based on Hedge-Antagonism Mechanism and Graph Attention Network
To solve the problem that data-driven abnormal electricity consumption detection method has low accuracy
an abnormal electricity consumption detection method is proposed based on the power flow constraints of distribution networks. First
a power flow calculation model based on convolutional neural network-hedge backpropagation (CNN-HBP) network and a precision optimization model based on power flow equation constraints are established to achieve accurate power flow calculation without entirely relying on line parameters and topology. Secondly
in the process of hedge backpropagation
an improved adversarial attacks algorithm is added to form the hedge-antagonism mechanism
aiming at the voltage calculation value approaching the measured value to achieve power backtracking under boundary conditions. Thirdly
the backtracking distance between the power backtracking value and the measured value is calculated as the characteristic quantity of electricity consumption and the graph attention network (GAT) with an abnormal accumulator is used as the classifier to realize the identification of the abnormal backtracking distance. Finally
the validity of the proposed method is verified by practical cases and simulation experiments.
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