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Fault diagnosis of intelligent distribution system based on privacy-enhanced federated learning

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Fault diagnosis of intelligent distribution system based on privacy-enhanced federated learning
In practical applications,different power companies are unwilling to share personal transformer data with each other due to data privacy.Faced with such a data isolation scenario,the centralized learning method is difficult to be used to solve the problem of transformer fault diagnosis.In recent years,the emergence of federated learning(FL)has provided a secure and distributed learning framework.However,the unbalanced data from multiple participants may reduce the overall per-formance of FL,while an untrusted central server will threaten the data privacy and security of cli-ents.Thus,a fault diagnosis of intelligent distribution system method based on privacy-enhanced FL is proposed.Firstly,a globally shared dataset is established to effectively alleviate the impact of un-balanced data on the performance of the FedAvg algorithm.Then,Gaussian random noise is intro-duced during the parameter uploading process to further reduce the risk of data privacy leakage.Fi-nally,the effectiveness and superiority of the proposed method are verified through extensive experi-ments.

power transformerfault diagnosisfederated learning(FL)data sharing(DS)differential privacy(DP)

陈益芳、SUN Zhiqing、XUAN Yi、LOU Yinan、WANG Qifeng、GUO Fanghong

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State Grid Zhejiang Electric Power Co.,Ltd.Hangzhou Power Supply Company,Hangzhou 310016,P.R.China

State Grid Zhejiang Electric Power Co.,Ltd.Hangzhou Xiaoshan District Power Supply Company,Hangzhou 310016,P.R.China

College of Information Engineering,Zhejiang University of Technology,Hangzhou 310014,P.R.China

power transformer fault diagnosis federated learning(FL) data sharing(DS) differential privacy(DP)

2024

高技术通讯(英文版)
中国科学技术信息研究所(ISTIC)

高技术通讯(英文版)

影响因子:0.058
ISSN:1006-6748
年,卷(期):2024.30(4)