邢志杰;田行军;刘宇晰;李久;高强;刘红国;

• 1:石家庄铁道大学电气与电子工程学院
• 2:中国铁路北京局集团有限公司衡水供电段

摘要(Abstract)：

根据电缆–架空线混合线路的参数特点及行波在波阻抗不连续时的折、反射过程,首先提出了一种基于时间差值法的混合线路行波故障测距新算法,该算法只需利用行波绝对时间差便可计算出任意段内发生的故障,无需对二次行波波头进行识别。然后将传统的波速归一化算法推广到多段电缆线和架空线混合连接的线路中,从理论上证明了波速归一化算法的本质特征,即利用固定波速和时间差值来计算故障距离,但是二者均属于混合线路双端行波测距法的范畴,最后利用电力系统电磁暂态仿真软件PSCAD建立铁路电力网的混合线路模型,验证了所提算法的准确性。

关键词(KeyWords)： 混合线路;行波故障测距;时间差值;波速归一化;铁路电力网

Abstract:

Keywords:

基金项目(Foundation): 中国铁路北京局集团有限公司衡水供电段项目(2016CGDHS06)~~

作者(Author): 邢志杰;田行军;刘宇晰;李久;高强;刘红国;

Email:

DOI: 10.13335/j.1000-3673.pst.2018.1979

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