Design of Online Galloping Monitoring System for OCS Positive Feeder of Lanzhou-Urumqi High-speed Railway in Gale Area

被引：0
|
作者：
Zhang Y. [1 ]
Zhao S. [1 ]
Zhao S. [1 ]
Yue Y. [1 ]
Zhang C. [1 ]
机构：
[1] School of Automation & Electrical Engineering, Lanzhou Jiaotong University, Lanzhou
[2] Key Laboratory of Opto-Electronic Technology and Intelligent Control, Ministry of Education, Lanzhou Jiaotong University, Lanzhou
来源：
Tiedao Xuebao/Journal of the China Railway Society | 2021年 / 43卷 / 07期
关键词：
Lanzhou-Urumqi high-speed railway; OCS positive feeder; Online galloping monitoring; Wireless sensor network;
D O I：
10.3969/j.issn.1001-8360.2021.07.008
中图分类号：
学科分类号：
摘要：
The galloping of the positive feeder of Lanzhou-Urumqi high-speed railway overhead contact system(OCS) often causes strand fatigue and breakage, disconnection of traction power supply and other failure in the gale area. In order to monitor the galloping status of the positive feeder constantly, this paper designed a multi-point distributed online galloping monitoring system based on wireless sensor network(WSN) technology. Firstly, the paper used three-axis accelerometer sensors to collect acceleration component information of each monitoring point synchronously. Secondly, a ZigBee wireless communication network was established to transmit the monitoring data. After two frequency domain integration, the displacement of monitoring points was obtained, and then the galloping trajectory at the monitoring point can be fitted by least square method. A simulation test platform was established for galloping monitoring system to test the communication quality and monitoring accuracy of this system separately. The results show that this system meets the basic requirements of the online galloping monitoring, and can simulate wire galloping state in the gale area accurately. The monitoring results can provide reliable data for the operation and maintenance of OCS, and the protection of the galloping of the positive feeder in the gale area. © 2021, Department of Journal of the China Railway Society. All right reserved.
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页码：57 / 65
页数：8
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