[1]邵健帅. 电气化铁路接触网短路电流热效应分析[J].机车电传动,2019,(03):1.[doi:10.13890/j.issn.1000-128x.2019.03.113]
 SHAO Jianshuai. Analysis of Contact Line Short-circuit Current Thermal Effect of Electrified Railway[J].Electric Drive for Locomotives,2019,(03):1.[doi:10.13890/j.issn.1000-128x.2019.03.113]
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 电气化铁路接触网短路电流热效应分析()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2019年03期
页码:
1
栏目:
研究开发
出版日期:
2019-05-10

文章信息/Info

Title:
 Analysis of Contact Line Short-circuit Current Thermal Effect of Electrified Railway
作者:
 邵健帅
 (北京航天发射技术研究所,北京 100076)
Author(s):
 SHAO Jianshuai
 ( Beijing Institute of Space Launch Technology, Beijing 100076, China )
关键词:
 电气化接触网短路电流热效应G-W 模型
Keywords:
 electrification catenary short circuit current thermal effect G-W model
分类号:
U225
DOI:
10.13890/j.issn.1000-128x.2019.03.113
文献标志码:
A
摘要:
 为研究铁路接触网在被动式短路断电时的热效应,对短路电流对接触网的主导电回路、受电弓滑板和接触线之间的温升情况进行研究。介绍了接触网在被动式短路断电模式下的短路电流、接触面积的计算方法,阐述了局部热效应模型的计算模型,针对接触网发热量、接触线与滑板之间的温升情况进行计算。研究得出发热量受接触面宽度和接触力的大小影响较大;在牵引变电所附近实施短路作业烧损甚至熔断接触线的概率较大;新接触线在大张力作用下存在接触线断线的危险。
Abstract:
 In order to study the thermal effect of railway contact line in passive short circuit and power failure, the temperature rise between the main circuit, the pantograph slide and the contact line of the catenary caused by short-circuit current was studied. Firstly, the calculation method of short circuit current and contact area of contact line under passive short circuit and power failure mode was introduced. Then, the calculation model of local thermal effect model was presented, which calculated the heat of contact line, the temperature rise between contact line and slide plate. The results show that the heat is greatly affected by the width of the contact surface and the contact force;there is a high probability that the contact line is damaged or even fused in short circuit operation near the traction substation;the new contact line is in danger of breaking contact line under the action of great tension.

参考文献/References:

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备注/Memo

备注/Memo:
 作者简介:邵健帅(1988—),男,硕士,工程师,研究方向为特种机械设计。
更新日期/Last Update: 2019-05-10