[1]周子槊,汪繁荣. 直供方式下影响钢轨电位分布的因素研究[J].湖北工业大学学报,2022,(4):49-53.
　ZHOU Zishuo,WANG Fanrong. Research on the Factors Affecting the Rail Potential Distribution under the Direct Supply Mode[J].,2022,(4):49-53.
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 直供方式下影响钢轨电位分布的因素研究()
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《湖北工业大学学报》[ISSN:1003-4684/CN:42-1752/Z]

卷:
期数:
2022年第4期
页码:
49-53
栏目:
湖北工业大学学报
出版日期:
2022-08-28

文章信息/Info

Title:
 Research on the Factors Affecting the Rail Potential Distribution under the Direct Supply Mode
文章编号:
1003-4684(2022)04-0049-05
作者:
 周子槊1; 2; 汪繁荣1
 1 湖北工业大学电气与电子工程学院， 湖北 武汉 430068；
 2 湖北水利水电职业技术学院， 湖北 武汉 430070
Author(s):
 ZHOU Zishuo1; 2;  WANG Fanrong2
1  School of Electrical and Electronic Engin., Hubei Univ. of Tech.,Wuhan 430068,China;
2 Hubei Water Conservancy & Hydropower Polytechnic,Wuhan 430070,China
关键词:
 ; 铁路牵引供电系统;  钢轨电位;  仿真分析
Keywords:
 ; railway traction power system;  rail electric potential;  simulation analysis
分类号:
U223.1
文献标志码:
A
摘要:
 为了有效抑制钢轨电位升高，建立了铁路牵引供电系统仿真模型，利用铁路牵引供电系统仿真模型研究了影响钢轨电位分布的因素。结果表明：相同牵引电流作用下，最大钢轨电位随机车与牵引变电所距离的增大而增大；相邻吸上线间的间距增大，吸上线内的最大钢轨电位增大；在相邻两根吸上线的区间内，机车位于区间中心时钢轨电位最大。
Abstract:
 If the traction current is increased, the rail-to-ground leakage will increase at the same time, which will increase the rail potential. Signal equipment near the rail and even the lives of workers will be threatened when the rail potential rises, especially It is a signal device connected to the track. When the potential of the rail is too high due to excessive leakage current, it is very likely to have malfunction or failure. The increase in the leakage of the rail to the ground will also corrode the insulating pad between the rail and the sleeper. , The insulation capacity between the rail and the sleeper is reduced, and the leakage current of the rail is further increased, which will cause abnormal traction return. The rail is the key path for the traction current to flow back to the traction substation. However, excessive rail current will cause the rail potential to rise. If the rail potential value cannot be controlled within a safe range, driving safety will be affected. Therefore, in order to restrain the rail potential from rising and ensure that the rail potential is within a safe range, it is urgent for researchers to develop effective technical measures and appropriate potential reduction schemes. Otherwise, the excessively high rail potential will cause safety hazards to the operation of the locomotive.

参考文献/References:

[1] 雷栋. 高速电气化铁路牵引回流及钢轨电位特性研究[D]. 成都: 西南交通大学, 2010.
[2] 董安平. 高速重载电气化铁路钢轨电位产生机理与抑制方法的研究[D]. 成都: 西南交通大学, 2013.
[3] 谭秀炳. 交流电气化铁道牵引供电系统[M]. 成都：西南交通大学出版社, 2006．
[4] 何华武. 中国高速铁路创新与发展[J]. 中国铁路, 2010(12): 5-8.
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备注/Memo

备注/Memo:
［收稿日期］ 2021-09-17
［第一作者］ 周子槊（1992-），男，湖北天门人，湖北工业大学硕士研究生，研究方向为电网与智能制造
［通信作者］ 汪繁荣（1979-），男，湖北天门人，湖北工业大学副教授，研究方向为电网与智能制造
更新日期/Last Update: 2022-08-29