双UPS并机直流母线过压故障研究  

Research on DC Bus Overvoltage Fault in Double UPS Parallel Operation

作　　者：廖百睿 刘鹍鹏 江梁智 孙晓伟 易炳强 Liao Bairui;Liu Kunpeng;Jiang Liangzhi;Sun Xiaowei;Yi Bingqiang(Guangzhou Metro Group Co.,Ltd.,Guangzhou 510415,China)

机构地区：[1]广州地铁集团有限公司,广州510415

出　　处：《铁路通信信号工程技术》2023年第12期88-92,共5页Railway Signalling & Communication Engineering

基　　金：广州地铁集团有限公司技术改造(包括国产化)项目(16B0040)。

摘　　要：针对广州地铁6号线海珠广场站信号系统U P S并机改造后频繁报直流母线过压等报警故障,深入分析论证报警故障原因,提出故障解决方案,总结U P S并机改造注意事项,以期对各城市同行提供借鉴、参考。In view of such frequent alarm-triggering failures as DC bus overvoltage reported by the signal system of Haizhu Square Station of Guangzhou Metro Line 6 after the transformation into UPS parallel operation,this paper provides an in-depth analysis,demonstrates the causes,and puts forward a solution of such failures.It also summarizes the matters needing attention in the transformation into UPS parallel operation,with a view to providing reference for peers in various cities.

关 键 词：UPS并机 直流母线 过压 

分 类 号：U231.7[交通运输工程—道路与铁道工程]