接触网数字化吊弦计算对系统参数的影响因素分析  

作　　者：张斌 高峰 李逢源 赵广智 

机构地区：[1]中铁电气化局集团有限公司京沪高铁维管公司 [2]中铁电气化勘测设计研究院有限公司

出　　处：《电气化铁道》2023年第S02期74-78,共5页Electric Railway

摘　　要：京沪高铁自2021年开始采用“软件计算-工厂化预配-专业化安装”方式对整锚段既有整体吊弦进行全面更换,吊弦更换后接触网导高波形呈现一定的大拱形、小拱形、人字形和正弦形等形状,对弓网受流产生较大影响。本文基于有限元理论开展吊弦长度计算,对吊弦更换后接触网导高偏差产生的原因进行研究,形成了“导高偏差-主要原因”对照关系,并进行现场实测验证。Since the mode of“software calculation-factory preassembling-professional installation”has been adopted for complete replacing of integral droppers of the whole tensioning section of Beijing-Shanghai high-speed railway from 2021,the heights of contact wire present certain shapes such as large arch,small arch,herringbone and sinusoid,generating great impact to the current collection between pantograph and catenary.The paper,on the basis of the finite element theory,calculates the length of the droppers,and to study the reasons for the deviation of heights of contact wire after the replacement of the droppers.A contrasting relation of"height deviation-main causes"is formed,and the actual test and verification is carried out at site accordingly.

关 键 词：接触网 吊弦计算 导高偏差规律 

分 类 号：U225.48[交通运输工程—道路与铁道工程]