客运专线ZPW-2000A轨道电路电源环线解决方案

Solution of Power Loop of ZPW-2000A Track Circuit for Passenger Dedicated Lines

从一例ZPW-2000A轨道电路故障,延伸探讨关于解决ZPW-2000A移频柜电源线故障引发轨道电路红光带问题,通过技术改进,消除电源单点送电的安全隐患,从而保证行车安全。

Starting from a failure case of ZPW-2000A track circuit, the paper discusses how to solve the problem of red-light strip on track circuits caused by power supply fault of ZPW-2000A frequency shift cabinet, and introduces how to avoid hidden troubles due to single point power supply.