检索结果-南通市图书馆

Research on the monitoring system for induced voltage and ground current of 27.5 kv cable sheath in railways

railway Sciences 2024年第5期3卷 622-635页

作者： Zehui Zhang Qian Huang Lewen Li Dan Li Xueping Luo Xiaohong Zeng Earthquake Warning Department China Academy of Railway SciencesRailways Science and Technology Information Research InstituteBeijingChina Power Supply Department China Railway Wuhan Group Co.Ltd.WuhanChina School of Electrical Engineering Southwest Jiaotong UniversityChengduChina

Purpose–The purpose of this study is to address the deficiency in safety monitoring technology for 27.5 kv high-voltage cables within the railway traction power supply by analyzing the grounding methods employed in high-speed railways and developing an effective monitoring ***/methodology/approach–Through establishing a mathematical model of induced potential in the cable sheath and analyzing its influencing factors,the principle of grounding current monitoring is ***,the accuracy of data collection and alarm function of the monitoring equipment were verified through laboratory simulation ***,through practical application in the traction substation of the railway bureau on site,a large amount of data were collected to verify the stability and reliability of the monitoring system in actual ***–The experimental results show that the designed monitoring system can effectively monitor the grounding current of high-voltage cables and respond promptly to changes in cable insulation *** system performs excellently in terms of data collection accuracy,real-time performance and reliability of alarm *** addition,the on-site trial results further confirm the accuracy and reliability of the monitoring system in practical applications,providing strong technical support for the safe operation of highspeed railway traction power supply ***/value–This study innovatively develops a 27.5kv high-voltage cable grounding current monitoring system,which provides a new technical means for evaluating the insulation status of cables by accurately measuring the grounding *** design,experimental verification and application of this system in high-speed railway traction power supply systems have demonstrated significant academic value and practical significance,contributing innovative solutions to the field of railway power supply safety monitoring.

关键词： railway 27.5 kv high-voltage cable Online monitoring system Grounding current Induced potential

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：