城市轨道交通牵引供电交直流系统继电保护  

Relaying Protection of Urban Rail Transit Traction Power Supply Alternating Current-Direct Current System

作　　者：罗振宁 LUO Zhenning(Operation Branch of Lanzhou Rail Transit Co.,Ltd.,Lanzhou 730000,China)

机构地区：[1]兰州市轨道交通有限公司运营分公司,甘肃兰州730000

出　　处：《通信电源技术》2025年第4期50-52,共3页Telecom Power Technology

摘　　要：当前我国城市发展迅猛,轨道交通供电系统作为其核心部分,不仅为列车供电,还为车站提供动力照明。为确保系统可靠安全,避免故障导致的交通中断损失,需配置继电保护装置。探讨城市轨道交通牵引供电系统中的交直流继电保护机制,旨在为供电技术人员提供系统指南,优化运维、预防检测、故障分析及响应能力,确保供电系统安全运行。At present,China’s urban rapid development,rail transit power supply system as its core part,not only power supply for trains,but also provides power lighting for stations.To ensure the reliability and safety of the system and avoid traffic interruption losses caused by faults,a relay protection device must be configured.This paper discusses the protection mechanism of alternating current-direct current relay in traction power supply system of urban rail transit,aiming to provide system guidance for power supply technicians,optimize operation and maintenance,prevention and detection,fault analysis and response ability,and ensure the safe operation of power supply system.

关 键 词：城市轨道交通 直流系统 交流系统 继电保护 

分 类 号：TM721.1[电气工程—电力系统及自动化]