基于接触网磁场特性的短路故障定位新方法
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摘要
在对接触网磁场进行三维仿真,确定磁场空间分布基础上提出通过电磁传感器对接触网沿线的电磁环境进行监测,根据短路点两侧电磁感应电压的变化对短路故障进行定位的方法,并通过短路故障定位实例验证了该方法的可行性和有效性。该方法对于缩短故障查找时间,提高故障抢修效率,提高牵引供电的安全性和可靠性具有重要意义。
The paper puts forward the monitoring of electromagnetic environment along the OCS by means of electromagnetic sensors subject to the determination of magnetic field spatial distribution, after 3 D simulation of OCS magnetic field is made, verifies the feasibility and effectiveness of the method in accordance with the short circuit fault locating method depending on the variation of electromagnetic inductive voltages at both sides of short circuit point.The method is significant to shorten the time of trouble shooting, enhance the efficiency of emergency rescue, and improve the safety and reliability of traction power supply.
The paper puts forward the monitoring of electromagnetic environment along the OCS by means of electromagnetic sensors subject to the determination of magnetic field spatial distribution, after 3 D simulation of OCS magnetic field is made, verifies the feasibility and effectiveness of the method in accordance with the short circuit fault locating method depending on the variation of electromagnetic inductive voltages at both sides of short circuit point.The method is significant to shorten the time of trouble shooting, enhance the efficiency of emergency rescue, and improve the safety and reliability of traction power supply.
引文
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[12]毛志芳,和敬涵,周文.电气化铁道牵引网故障测距中行波法的应用[J].高电压技术,2005(7):65-67.
[13]林国松,陈小川.带串联电容补偿装置的电力牵引网故障测距研究[J].电力自动化设备,2005,25(3)51-53.
[2]王喜燕.基于D型行波法的接触网故障测距研究[D].华东交通大学,2013.
[3]赵丽平,李群湛,陈小川.基于虚拟仪器的接触网故障测距装置[J].电力自动化设备,2003(4)53-55.
[4]李岗,林国松,韩正庆.新型AT供电牵引网故障测距方案[J].电力系统及其自动化学报,2013,25(3):31-34.
[5]程伟,徐国卿,牟龙华.频域法在牵引网故障测距中的应用[J].中国电机工程学报,2006,26(11):150-155.
[6]张殿睿.接触网短路暂态仿真与行波测距装置开发[D].北京交通大学,2009.
[7] Courtois, Why the 25 kV alternative IEE Colloquium on 50kV autotransformer traction supply system-French Experience(Part 4). Nov. 1993:1-4.
[8]王继芳.全并联AT供电牵引网故障测距研究[D].西南交通大学,2006.
[9] Lee H,Mousa A M.GPStraveling wave fault locator systems:investigation into the anomalous measurements related to light-ning strikes[J]. IEEE Trans on Power Delivery,1996,11(3):1214-1223.
[10]曹笃峰.电气化铁道接触网行波故障测距研究[D].北京交通大学,2008.
[11]王斌,高仕斌.全并联AT供电牵引网故障测距方案的研究[J].电气化铁道,2006(5):5-8.
[12]毛志芳,和敬涵,周文.电气化铁道牵引网故障测距中行波法的应用[J].高电压技术,2005(7):65-67.
[13]林国松,陈小川.带串联电容补偿装置的电力牵引网故障测距研究[J].电力自动化设备,2005,25(3)51-53.