集中式25 Hz相敏轨道电路的研究与开发  

Research and Development of Centralized 25 Hz Phase Sensitive Track Circuit

作　　者：张海旭 吕德 刘泉 Zhang Haixu;Lǚ De;Liu Quan

机构地区：[1]陕西国铁科学技术研究发展有限公司,西安710054 [2]中国铁路西安局集团公司电务部,西安715000 [3]西安思源科创轨道交通技术开发有限公司,西安710054

出　　处：《铁路通信信号工程技术》2021年第S01期76-81,共6页Railway Signalling & Communication Engineering

摘　　要：针对目前25 Hz相敏轨道电路系统分路特性、抗干扰能力差等问题,在不增加整体电源设计功耗的前提下,改善系统的分路特性,提高系统抗干扰能力。同时为便于现场调整维护及应急处置,进行设备集成化设计,实现室内集中调压调相,完成室内发送单元、室内接收单元的设计开发,优化扼流变压器的性能,提高25 Hz相敏轨道电路的综合性能。Direct at the poor shunt and the poor anti-interference ability problem of system which the existing 25 Hz phase-sensitive track circuit,without any increase in the overall power consumption under the premise of power supply design,the shunt and the anti-interference ability of system are improved.At the same time,in order to facilitate the adjustment of maintenance and emergency disposal,equipment integrated design is conducted to realize indoor centralized voltage and phase regulation,complete the development of indoor send unit and indoor receiving unit designs,optimize the performance of choke transformer,and improve the comprehensive performance of 25 Hz phase-sensitive track circuit.

关 键 词：集中式 室内发送单元 室内接收单元 分路特性 

分 类 号：U284.2[交通运输工程—交通信息工程及控制]