行波法在10kV铁路自闭/贯通线故障测距中的应用APPLICATION OF TRAVELLING WAVE BASED FAULT LOCATION IN 10kV RAILWAY AUTOMATIC BLOCKING AND CONTINUOUS POWER TRANSMISSION LINES
蔡玉梅,何正友,王志兵,钱清泉
摘要(Abstract):
作者介绍了输电线路行波法测距的原理,概述了铁路自闭/贯通线路的特点及其故障测距的研究现状,研究并分析了行波法在自闭/贯通线测距中应用的特殊性,即自闭/贯通线的线路结构、供电方式及负荷的影响,提出了将零模和线模分量相结合,用零模分量对故障点反射波和对端母线反射波进行识别,用线模分量进行测距的方法。并用PSCAD/EMTDC对其进行了建模及仿真分析。仿真结果表明,所提出的方法是可行的。
关键词(KeyWords): 行波;自闭/贯通线;故障测距;小波变换;模极大值;线模分量;零模分量
基金项目(Foundation): 国家自然科学基金项目(50407009);; 教育部科学技术研究重点项目(104163);; 四川省应用基础研究项目(02GY029-039)。~~
作者(Author): 蔡玉梅,何正友,王志兵,钱清泉
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参考文献(References):
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