中国电机工程学报2018，Vol.38Issue(2)：475-483,9.DOI:10.13334/j.0258-8013.pcsee.162392
基于Hausdorff距离算法的变压器差动保护新判据
A Novel Criterion of the Transformer Differential Protection Based on the Hausdorff Distance Algorithm
摘要
Abstract
The characteristics of the whole waveforms of magnetizing inrush current and fault differential current were analyzed.By virtue of the similarity difference between the two currents and combining the superiorities of the Hausdorff distance algorithm,a novel criterion of the transformer differential protection based on the Hausdorff distance algorithm was proposed.The Hausdorff distance between the normalized differential current sequence and standard sinusoidal wave sequence was applied to distinguish between inrush current(including symmetrical inrush current) and fault differential current(including fault differential current superimposed with inrush current).The effectiveness,rapidity and anti-interference performance of the proposed criterion were validated with simulation tests.关键词
继电保护/变压器/差动保护/对称性涌流/图形相似度/Hausdorff距离算法Key words
relay protection/transformer/differential protection/symmetrical inrush current/waveform similarity/Hausdorff distance algorithm分类
信息技术与安全科学引用本文复制引用
翁汉琍,刘华,林湘宁,万毅,李振兴,黄景光,鲁俊生..基于Hausdorff距离算法的变压器差动保护新判据[J].中国电机工程学报,2018,38(2):475-483,9.基金项目
国家自然科学基金项目(51607106) （51607106）
国家电网公司科技项目(SGTYHT/16-JS-198) （SGTYHT/16-JS-198）
三峡大学人才科研启动基金项目(KJ2014B043).Project Supported by National Natural Science Foundation of China (51607106) （KJ2014B043）
Science and Technology Project of State Grid Corporation (SGTYHT/16-JS-198) （SGTYHT/16-JS-198）
China Three Gorges University Talent Scientific Research Foundation (KJ2014B043). （KJ2014B043）
