通信平台中的高可靠电源模块设计  

Design of High-reliable Power Module in Communication Platform

作　　者：张鑫 师进 韦文 王欣 Zhang Xin;Shi Jin;Wei Wen;Wang Xin(CRSC Research&Design Institute Group Co.,Ltd,Beijing 100070,China)

机构地区：[1]北京全路通信信号研究设计院集团有限公司,北京100070

出　　处：《铁路通信信号工程技术》2020年第6期56-60,共5页Railway Signalling & Communication Engineering

摘　　要：为满足轨道交通通信平台对高可靠电源的需求,设计一个可输出两种直流电压的冗余电源,介绍电源模块主要电路工作原理和设计方法,重点从过压、过流和短路保护等方面分析介绍冗余电源的高可靠性设计。在编组站现场试验结果表明,此电源模块输出电压稳定,可保证通信平台可靠工作。In order to meet the demand of railway communication platform for high reliability power supply,a redundant power supply which can output two kinds of DC voltages is designed,the working principle and design method of the main circuit of power supply module are introduced,and the high reliability design of redundant power supply is introduced from the aspects of overvoltage,overcurrent and short-circuit protection.The fi eld-test results in a shunting yard show that the output voltage of this power module is stable,which can ensure the reliable operation of the communication platform.

关 键 词：通信平台 冗余电源 过压、过流和短路保护 高可靠性设计 

分 类 号：U231.7[交通运输工程—道路与铁道工程]