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Faulty feeder detection of single phase-earth fault using grey relation degree in resonant grounding system

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成果类型:
期刊论文
作者:
Wang, Yuanyuan*;Huang, Yuhao;Zeng, Xiangjun;Wei, Gen;Zhou, Jiaming;...
通讯作者:
Wang, Yuanyuan
作者机构:
[Wang, Yuanyuan; Huang, Yuhao; Wei, Gen; Zeng, Xiangjun; Chen, Haowei; Zhou, Jiaming; Fang, Tao] Changsha Univ Sci & Technol, Hunan Prov Key Lab Smart Grids Operat & Control, Sch Elect & Informat Engn, Changsha 410114, Hunan, Peoples R China.
通讯机构:
[Wang, Yuanyuan] C
Changsha Univ Sci & Technol, Hunan Prov Key Lab Smart Grids Operat & Control, Sch Elect & Informat Engn, Changsha 410114, Hunan, Peoples R China.
语种:
英文
关键词:
Grey relation degree;Resonant grounding system;Similarity;Single phase-earth faults;Transient zero-sequence current
期刊:
IEEE Transactions on Power Delivery
ISSN:
0885-8977
年:
2017
卷:
32
期:
1
页码:
55-61
基金类别:
This work was supported in part by the Faculty of Engineering and Information Technologies, The University of Sydney, under the Faculty Research Cluster Program, in part by National Natural Science Foundation of China under Grant 61233008, Grant 51277014, Grant 51207014, and Grant 71371065, in part by the Scientific Research Fund of Hunan Provincial Education Department (No. 15B006), in part by the Natural Science Foundation of Hunan Province (No. 2015JJ4001), and in part by Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, Hunan Provincial Collaborative Innovation Center for Clean Energy Generation and Electric Power Technology. Paper no. TPWRD-01425-2015.R2.
机构署名:
本校为第一且通讯机构
院系归属:
电气与信息工程学院
摘要:
It is difficult to detect the faulty feeder if single phase-earth faults occur in a resonant grounding system, mainly due to its very low-current fault. Since the similarity of transient zero-sequence current waveforms between faulty feeder and sound feeder is lower than that between two sound feeders, this paper presents a protection scheme for faulty feeder detection based on the grey relation degree that can characterize the similarity among curves. Slope relation degree, one kind of grey relation degree, is chosen to characterize the simila...

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