美国归纳电气化铁路的优点是:一台电力机车可具有二倍内燃机车的功率;电力机车每一吨的重量能有更大的马力,在长大坡道上运行,或者重牵引中有良好的粘着力,而在加速中,有可能发挥额外的功率;电力机车所需的维修费比内燃机车为低;电力机车使用率较高;电力机车的高速运行,结合周转快,减少乘务费用; The United States summarizes the advantages of an electrified railway: an electric locomotive can have twice the power of a diesel locomotive; an electric locomotive can have a larger horsepower per tonne of weight, run on a long-rise ramp, or have good adhesion in heavy traction Power, while accelerating, it is possible to exert extra power; maintenance cost for electric locomotives is lower than that of diesel locomotives; utilization rate of electric locomotives is high; high-speed operation of electric locomotives combined with quick turnaround reduces the cost of crew;