摘要
对信号系统电源屏内隔离变压器励磁涌流产生的机理及大小进行了分析和计算,提出了电源开关设计选型存在的问题;列举了选型方法,为信号系统电源开关选型和运用故障处理提出了建议。
This article analyses the mechanism of excitation inrush current generation in the isolation transformer of the signal power supply system and calculates its size and puts forward the problems in selecting power switch design. The selection methods are listed, and some advice for the selection of signal system power switch and troubleshooting are put forward.
出处
《铁道通信信号》
2013年第8期73-76,共4页
Railway Signalling & Communication
关键词
地铁信号系统
电源开关
选型分析
Subway signal system
Power switch
Analysis of design selection
作者简介
助理工程师
