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200系电动车最大的特点是采用轻合金车体结构。这种车辆作为新时代的新干线电动车,提高了车内设备的等级和环境对策,以及故障时达到处理迅速化、省力化等。这样将大幅度地增加重量,重量的增加会降低高速行驶时的性能,增加行驶阻力,引起输出功率的增大和能量的增加。所以200系电动车最大的课题应是“轻量化”。采用轻合金车体结构,使车体结构重量为7.5t,比东海
200 series electric car is the most prominent feature of light alloy body structure. This kind of vehicle, as a new era of Shinkansen electric vehicles, has raised the level of equipment in vehicles and environmental measures, and has been rapidly processed and labor-saving in the event of failure. This will greatly increase the weight, weight increase will reduce the performance at high speeds, increasing driving resistance, causing increased output power and energy. So 200 series electric car biggest problem should be “lightweight.” Light alloy body structure, so that the body weight of 7.5t, than the East China Sea