ZPW-2000A轨道电路发送器典型故障分析

Typical Fault Analysis of ZPW-2000A Track Circuit Transmitter

在自动闭塞区段上区间广泛使用ZPW-2000A轨道电路,由于发送器问题所引发的故障近两年逐年增加。为提高ZPW-2000A轨道电路设备可靠性,结合故障案例,说明主备发送器自动切换的故障原因、故障现象、故障应急处理办法和电路的改进方案及ZPW-2000A轨道电路发送器预防故障的方法。

ZPW-2000A track circuit is widely used in the automatic block section,and the fault caused by the transmitter problem has increased year by year in the past two years.In order to improve the reliability and safety of ZPW2000A track circuit equipment,combining with the fault cases,this paper illustrates the fault cause,fault phenomenon,fault emergency treatment method and circuit improvement scheme of the automatic switching of the main and standby transmitter and the methods of preventing the fault of ZPW2000 A track circuit transmitter.