文章基本信息

标题：Fault identification of double-circuit transmission lines on the same pole based on EEMD energy ratio
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作者：Yicen Liu ; Ying Chen ; Songhai Fan 等
期刊名称：MATEC Web of Conferences
电子版ISSN：2261-236X
出版年度：2022
卷号：355
页码：1-9
DOI：10.1051/matecconf/202235503035
语种：English
出版社：EDP Sciences
摘要：In order to improve the sensitivity and reliability of traveling wave protection, on the basis of analyzing the relationship of the anti-traveling wave current amplitude in the window after the internal/external failure of the double circuit line on the same tower, a fault identification method based on EEMD energy ratio is proposed. Use EEMD decomposition to decompose the anti-traveling wave current in a time window after the fault into 7 scales, and extracts the EEMD energy ratio at each scale at both ends to form a feature vector. Then it is sent to the particle swarm optimization support vector machine (PSO-SVM) for training and testing, and the internal and external faults are identified. Experiments show that the algorithm has good fault identification ability, the fault accuracy is 95% and the method sensitivity is high.
关键词：Double-circuit lines on the same tower;Reverse traveling wave current;EEMD energy ratio;PSO-SVM;Fault identification