地铁专用通信电源系统是地铁通信系统的一个重要子系统,不间断电源(Uninterruptible Power Supply,UPS)是地铁通信电源系统的重要组成设备.阐述地铁通信电源UPS各个部件构成,包括输入单元、整流器、逆变器、蓄电池组以及静态开关等,介绍各个部件工作原理和地铁通信UPS采用的在线工作方式,并分析单机 4 种供电工作模式和并机5种供电工作模式的原理.最后,列举实际维护过程中发生的4件UPS故障,通过原因分析及处理过程描述,帮助提高UPS维护的实践能力.
Composition and Typical Fault Analysis of Subway Dedicated Communication Power Supply UPS
Metro dedicated communication power system is an important subsystem of the metro communication system,Uninterruptible Power Supply(UPS)is an important component of the metro communication power system equipment.Elaborate on the composition of various components of subway communication power supply UPS,including input unit,rectifier,inverter,battery pack,and static switch,introduce the working principles of each component and the online working mode adopted by subway communication UPS,and analyze the principles of four single machine power supply working modes and five parallel machine power supply working modes.Finally,it lists 4 UPS failures occurred in the actual maintenance process,and helps to improve the practical ability of UPS maintenance by analyzing the causes and describing the treatment process.
subwaydedicated communicationcommunications powerUninterruptible Power Supply(UPS)
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