上海轨道交通1号线使用的地铁车辆为1992年从德国整车进口的A型直流传动地铁列车,与上海地铁现有的其他交流传动地铁列车相比,存在着整体技术档次较低、维护成本高、进口备件价格高、改构周期长、替代困难等问题。其中,102号列车在2004年因故受损后一直无法修复。经过长期比选, Shanghai Metro Line 1 subway vehicles used in 1992 imported from Germany’s A-type DC drive subway train, and the Shanghai Subway existing AC drive compared to other subway trains, there is a lower overall technical level, maintenance costs High, high prices of imported spare parts, long restructuring cycle, and difficulties in replacement. Among them, the 102 train has been unable to repair after it was damaged in 2004. After a long period of comparison,