摘要
轨道交通照明直流供电因具有供电效率高、安全性以及经济性良好等优点而正替代交流供电,是目前研究的热点和重点,为此对轨道交通低压直流照明系统包含的多个方面进行论述。针对轨道交通低压直流照明系统各部分在实际应用中存在的优缺点,从直流照明系统的运行可靠性、照明驱动电路、整流方案、接口类型,以及电气保护设备等方面进行多角度全面的论述,并结合实际工程提出相应的改进方案,对未来轨道交通直流照明系统在完善系统标准体系、建立高可信度故障诊断模型,以及健康状态评估方面提供新的研究方向。
DC power supply for rail transit lighting is replacing AC power supply due to its advantages of high power supply efficiency,safety and economy,which is the focus of current research.Therefore,this paper discusses the low-voltage DC lighting system for the rail transit in many aspects.Besides,aiming at the merits and demerits of the rail transit DC lighting system in the actual applications,the paper introduces a comprehensive overview of the low-voltage DC lighting system,which mainly involves the operation reliability of DC lighting system,the lighting drive circuit,rectifier scheme,interfacing and protection equipment and the like.It also proposes the corresponding improvement scheme on the basis of the actual project,and prospects the future research on rail transit DC lighting system in perfecting system standard system,building high-credibility fault diagnosis model and health status evaluation.
作者
许琼果
刘光伟
周斌
XU Qiongguo;LIU Guangwei;ZHOU Bin(Suzhou Rail Transit Group Co.,Ltd.,Suzhou,Jiangsu 215026,China;NARI Technology Co.,Ltd.,Nanjing,Jiangsu 210016,China)
出处
《广东电力》
2023年第1期20-28,共9页
Guangdong Electric Power
基金
国家重点研发计划项目(2017YFA0700304)。
关键词
轨道交通
低压直流
照明系统
接口类型
接地系统
保护装置
urban rail transit
low-voltage DC power distribution
lighting system
interface type
grounding system
protection devices