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针对地铁车辆实际运营过程中出现的列车两端信号设备通信不良故障,介绍地铁车辆MVB通信线缆的设置以及一致性测试情况,分析信号衰减的原因,结合实践经验提出了解决措施,并对新采购车辆提出了贯通地铁车辆信号设备通信线缆信号衰减值,对今后车辆采购和维护具有一定的参考意义。
Aiming at the bad communication fault of signal equipment at both ends of the train during the actual operation of subway vehicles, this paper introduces the setting and consistency test of MVB communication cables in subway vehicles, analyzes the reason of signal attenuation, and puts forward some countermeasures based on practical experience. Purchased vehicles put forward through the subway vehicle signal equipment communication cable signal attenuation value for the future of vehicle procurement and maintenance of a certain reference value.