信号电源屏变压器励磁涌流原理分析  

Principle Analysis of Inrush Current for Transformer of Signal Power Supply Panel

作　　者：王志超 Wang Zhichao(Tianjin Railway Signal Co.,Ltd.,Tianjin 300300,China)

机构地区：[1]天津铁路信号有限责任公司,天津300300

出　　处：《铁路通信信号工程技术》2019年第9期94-98,共5页Railway Signalling & Communication Engineering

摘　　要：对信号电源屏变压器输入电路进行阐述,结合现场实际案例进行变压器励磁涌流产生原理分析,通过变压器空载合闸试验测试结论,提出现场问题的处理方案和建议。This paper states the input circuit of transformer used in the signal power supply panel,and analyzes the principle of the generation of transformer inrush current based on the on-site practical case.Through the conclusion of no-load closing test of transformer,the solutions and suggestions to the on-site problems are put forward.

关 键 词：信号电源屏 变压器 励磁涌流 空载合闸试验 

分 类 号：U284.7[交通运输工程—交通信息工程及控制]