For the problem of signal current bypass with trackcircuit of rolling stock depot in DC electric traction sections, the paper provides measures to prevent it.
针对直流电力牵引区段车辆段轨道电路中的信号电流存在的迂回问题，提出了在工程设计中的防范措施。
2
The foundation of automatic block and cab signal is trackcircuit.
自动闭塞和机车信号的基础是轨道电路。
3
In electric railway trackcircuit, the two steel tracks are both transmission line of the tracksignal and return line for electric locomotive tractive current back to electric substation.