Mathematical morphology-based single phase-to-ground fault feeder selector for a resonant grounded distribution system

被引:4
作者
Han, X. L. [1 ]
Wu, Q. H. [1 ]
Li, M. S. [1 ]
Zhang, L. L. [1 ]
机构
[1] South China Univ Technol, Sch Elect Power Engn, Guangzhou 510006, Guangdong, Peoples R China
基金
中国国家自然科学基金;
关键词
fault feeder selection; mathematical morphology; resonant grounded distribution; zero-sequence current;
D O I
10.1002/tee.22596
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this letter, we present a new single phase-to-ground fault feeder selector for a resonant grounded distribution system based on mathematical morphology. A combined morphological filter, which is the average of open-closing and close-opening, is employed to extract the transient component and decaying DC component from the zero-sequence current signal of each feeder. Afterward, two indices are introduced to measure these components and to distinguish the fault feeder from healthy feeders. Simulation studies are conducted using PSCAD/EMTDC, and the results verify the effectiveness of the proposed method. (c) 2018 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
引用
收藏
页码:517 / 518
页数:2
相关论文
共 3 条