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去年的12月22日5时50分,上海轨道交通1号线陕西南路至人民广场区间突发供电触网跳闸故障,造成该区列车停驶。经检查,发现该区间隧道顶部的碳纤维脱落造成短路。此后,因供电触网跳闸而导致列车停运,调度组派一辆117号空载列车前去增援。117号列车在折返途中,由于信号系统在N11-1438轨道区段
At 5:50 on December 22 last year, Shanghai Metro Line 1 Shaanxi South Road to the People’s Square intermittent power supply network trip fault, causing the train stopped in the area. After examination, it was found that the top of the tunnel of carbon fibers shedding caused by short circuit. After that, the train was stopped due to the power trip and the dispatching team dispatched a No. 117 no-load train to go reinforcements. 117 train on the way back, due to the signaling system in the N11-1438 track section