Fault Diagnosis Method of Intelligent Substation Protection System Based on Gradient Boosting Decision Tree
Fault Diagnosis Method of Intelligent Substation Protection System Based on Gradient Boosting Decision Tree
复制标题
基于梯度提升决策树的智能变电站保护系统故障诊断方法
DOI:
10.3390/app12188989
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发表时间:
2022-09
影响因子:
2.7
通讯作者:
Ning Shao
中科院分区:
文献类型:
--
作者:
Wei Ding;Qing Chen;Yuzhan Dong;Ning Shao
In order to improve the efficiency of the devices’ fault diagnosis of the protection systems of intelligent substation, a fault diagnosis method based on a gradient boosting decision tree (GBDT) was proposed. Using the integrated alarm information, the device self-checking information, the link information of generic object-oriented substation event (GOOSE) and sampled value (SV) and the sampling value information generated during the fault of the protection system, the fault feature information set is constructed. According to different fault characteristics, the protection system faults are classified into simple faults and complex faults to improve the diagnosis efficiency. Using GBDT training rules, a fault diagnosis model of protection system based on GBDT is established and fault diagnosis steps are given. This study takes a 110 kV intelligent substation in southern China as an example, to verify the effectiveness and accuracy of the proposed fault diagnosis method, and compared it with the existing methods in terms of the accuracy. The diagnostic accuracy in the case of false alarms and the case of multiple faults are verified. The results show that the method can meet the practical engineering application.
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DOI:
--
发表时间:
2015
期刊:
Power System Protection and Control
影响因子:
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Power System Protection and Control
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