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Self-reduction multi-head attention module for defect recognition of power equipment in substation
《Global Energy Interconnection》2025年第1期82-91,共10页Yifeng Han Donglian Qi Yunfeng Yan 
supported in part by Major Program of the National Natural Science Foundation of China under Grant 62127803.
Safety maintenance of power equipment is of great importance in power grids,in which image-processing-based defect recognition is supposed to classify abnormal conditions during daily inspection.However,owing to the b...
关键词：Multi-Head attention Defect recognition Power equipment Computational complexity 
Reliability analysis for vertical integration of protection,measurement,merge unit,and intelligent terminal device被引量：1
《Global Energy Interconnection》2023年第6期772-784,共13页Ying Li Weiquan Wang Liang Zhang Zhujian Liang Zhenli Xu Yuansheng Liang 
supported by the 2020 Infrastructure Engineering Technology Innovation Project;the“Intelligent Substation”Supporting Technology Research Project(031200WS22200001)。
The reliability analysis of vertically integrated protection devices is crucial for designing International Electrotechnical Commission(IEC)61850-based substations.This paper presents the hardware architecture of a fo...
关键词：Vertical integration of secondary system device Reliability of secondary system IEC 61850-based substation Relay protection 
Substation clustering based on improved KFCM algorithm with adaptive optimal clustering number selection被引量：1
《Global Energy Interconnection》2023年第4期505-516,共12页Yanhui Xu Yihao Gao Yundan Cheng Yuhang Sun Xuesong Li Xianxian Pan Hao Yu 
supported by the Planning Special Project of Guangdong Power Grid Co.,Ltd.:“Study on load modeling based on total measurement and discrimination method suitable for system characteristic analysis and calculation during the implementation of target grid in Guangdong power grid”(0319002022030203JF00023).
The premise and basis of load modeling are substation load composition inquiries and cluster analyses.However,the traditional kernel fuzzy C-means(KFCM)algorithm is limited by artificial clustering number selection an...
关键词：Load substation clustering Simulated annealing genetic algorithm Kernel fuzzy C-means algorithm Clustering evaluation 
Fair hierarchical clustering of substations based on Gini coefficient
《Global Energy Interconnection》2021年第6期576-586,共11页Dajun Si Wenyue Hu Zilin Deng Yanhui Xu 
supported by the Major Science and Technology Project of Yunnan Province entitled“Research and Application of Key Technologies of Power Grid Operation Analysis and Protection Control for Improving Green Power Consumption”(202002AF080001);the China South Power Grid Science and Technology Project entitled“Research on Load Model and Modeling Method of Yunnan Power Grid”(YNKJXM20180017).
For the load modeling of a large power grid,the large number of substations covered by it must be segregated into several categories and,thereafter,a load model built for each type.To address the problem of skewed clu...
关键词：Load modeling Substation clustering Gini coefficient Hierarchical clustering Contour coefficient 
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