Research methods:The analysis is made for the present situation of catenary of overhead contact wire system and main measures against wear of it.
研究方法：通过对接触网承力索的现状和主要防磨损措施的研究来进行分析。
2
The overhead catenary system is the main facility for power supply in electrified railway.
接触网是电气化铁路的主要供电设备。
3
In this paper, the curve and fabrication length of the main cable which is modelled through catenary elements are calculated with the iterative method.