行波法在电气化铁道牵引网故障测距的仿真研究  

Simulation research on traction network fault location based on traveling wave method

作　　者：张佩炯 

机构地区：[1]中铁二院西北勘察设计有限责任公司,甘肃兰州730030

出　　处：《电气传动自动化》2015年第3期26-30,37,共6页Electric Drive Automation

基　　金：国家自然科学基金(61263004);甘肃省自然科学基金(1112RJZA051)

摘　　要：针对牵引网受到机车运行工况变化影响,以及一些不确定性因素导致出现接地故障的缺陷,提出了一种利用行波法对牵引网故障进行测距的应用方案。依据AT牵引网实际电路,在ATP中建立投切并联电容补偿模型,对机车运行时牵引网的电流进行仿真分析,得到发生短路时的故障数据,再利用Matlab对故障数据进行行波法测距,最后通过搭建硬件电路实验平台进行验证。仿真分析和实验结果表明,利用行波法对牵引网故障进行测距是行之有效的。Aiming at the traction network affected by the locomotive operation condition changes and some uncertain factors resulting in the defects of the ground faults, the scheme of using the travelling wave method to measure the fault location for the traction network is presented. Based on the actual circuit of the AT traction network in ATP shunt capacitance compensator model, the current of the locomotive traction network running is simulated and analyzed, thus to get the short-circuit fault data, and then can use Matlab to process the fault data and realize the measurement to the fault location by the traveling wave method. The hardware circuit experimental platform is set up. The simulation analysis and experimental results show that the scheme of using the travelling wave method to measure the fault location for the traction network is effective.

关 键 词：牵引变电所 故障测距 行波 

分 类 号：TM63[电气工程—电力系统及自动化]