地铁供电系统直流侧短路故障及处理研究
Research on Short-Circuit Fault of Direct Current Side of Subway Power Supply System and Its Treatment
谢博策 1弭雪1
作者信息
- 1. 北京首建兴安装工程有限公司,北京 100000
- 折叠
摘要
文章旨在研究地铁供电系统直流侧短路故障的特征、监测定位技术以及处理策略.通过分析不同类型短路故障的成因和危害,揭示故障的复杂性和严重性.同时,探讨故障电流暂态特征分析、分布式光纤测温等先进的监测与定位技术,以及快速跳闸、能量吸收、优化隔离等故障处理措施.研究表明,综合运用先进监测定位技术和快速有效的故障处理措施,并建立完善的预防性维护体系,可显著提高地铁供电系统直流侧的安全性和可靠性.
Abstract
This paper aims to study the characteristics,monitoring and positioning technology and treatment strategy of direct current side short circuit fault in subway power supply system.By analyzing the causes and hazards of different types of short-circuit faults,the complexity and severity of the faults are revealed.At the same time,advanced monitoring and positioning technologies such as transient characteristics analysis of fault current and distributed optical fiber temperature measurement,as well as fault treatment measures such as quick tripping,energy absorption and optimized isolation are discussed.The research shows that the comprehensive application of advanced monitoring and positioning technology,fast and effective fault handling measures and the establishment of a perfect preventive maintenance system can significantly improve the safety and reliability of direct current side of subway power supply system.
关键词
地铁供电系统/直流侧/短路故障/监测定位/故障处理Key words
subway power supply system/direct current side/short circuit fault/monitoring and positioning/fault handling引用本文复制引用
出版年
2024
NETL
NSTL
万方数据