- Volume 64 Issue 8
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Implementation Technique of Real-time Monitoring System for High-Speed Rail Contact Wire with High Tension
고속철도 전차선로 고장력 실시간 모니터링 기술 구현
Cho, Yong Hyeon;Park, Young;Jung, Hyun Jin
- Received : 2015.05.21
- Accepted : 2015.07.07
- Published : 2015.08.01
Along with the increase of railway catenary system operation speed to 400 km/h, there have been growing demands for good quality current collection systems that satisfy quality standards as well as criteria for safe working. Retaining uniform elasticity tension of contact wires is essential in maintaining high quality contact between pantograph and OCL (Overhead Contact Line) of current collection systems in high speed railways. Therefore, the tension of contact wire must be kept within tight tolerance limits in both working conditions and adverse weather conditions of catenary system. In accordance with these conditions, this paper presents a real time monitoring system for the tensioning device of the newly installed catenary system on the special route of Honam high speed line for 400 km/h operation. For the verification of the true value of tension of contact wires, we have developed ring-type tensioning sensors which were installed on supporting points of mast which compose the catenary system. According to the field test performed on the Honam high speed line catenary system, variation of tension was measured accurately in real-time.
Arc detector, Loss-of-contact;Current collection;Contact wire;Pantograph
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