试析既有电气化铁路接触网改造方案

Analysis on the modification scheme of existed electrified railway catenary

文章从国外的先进经验出发,结合相应的理论知识,阐述了对我国高速电气化铁路接触网改造的一些设想。如通过提高张力、预弛度的弹性单链形接触悬挂,适当缩小吊弦间距等。对改造和维修该种悬挂的关键技术做了简要分析并予以说明。

Starting from the advanced experience of foreign countries,combined with corresponding theoretical knowledge,this paper explains some ideas on the high-speed electrified railway catenary in China,such as the suspension of contact by increasing the high tension,pre-sag flexible single-stranded form,appropriate to narrow the dropper spacing,and briefly analyzes and explains the key technology of transforming and repairing this type of suspension.