浅谈郑西客运专线行车许可保留无法延伸的原因和对策

Reason of Retention of Following Train Movement Authorization Not Be Extended in Zhengzhou-Xi'an Passenger Special Line

列车控制系统是高速铁路的关键技术之一,是铁路运营的安全保障。简单介绍了在郑西客运专线上,由于CTCS3-300T型列控车载设备无线连接超时,造成行车许可(以下简称MA)保留,后续列车MA不延伸以至停车的原因以及解决对策。

Train control system is one of the key technologies of high-speed railway ensuring the safety of railway operation. This article explains the reasons why a case of train stop occurred on the Zhengzhou Bureau Zhengzhou-Xi＇an line because Moving Authority was put into retention and the following train＇s MA could not be extended when the wireless connection of CTCS3-300T type onboard ATC equipment became timeout and the countermeasures was proposed.