高等教育自学考试毕业论文电力机车未来发展方向 XXX 专业: 主考学校:________ 准考证号: 指导教师姓名职称: 甘肃省高等教育自学考试办公室印制 2014 年X月X日机车车辆本科论文 XX 专业电力机车未来发展方向 The future development direction of electric otive XXX XXX 兰州交通大学自考本科毕业论文- I- 摘要电力机车由机械部分(包括车体和转向架)、电气部分和空气管路系统构成。车体是电力机车的骨架,是由钢板和压型梁组焊成的复杂的空间结构,电力机车大部分机械及电气设备都安装在车体内,它也是机车乘务员的工作场所。转向架是由牵引电机把电能转变成机械能,便电力机车沿轨道走行的机械装置。它的上部支持着车体,它的下部轮对与铁路轨道接触。电气部分包括机车主电路、辅助电路和控制电路形成的全部电气设备,在机车上占的比重最大,除安装在转向架中的牵引电机之外,其余均安装在车顶、车内、车下和司机室内。空气管路系统主要执行机车空气制动功能,由空气压缩机、气阀柜、制动机和管路等组成。我国电力机车未来向着交流传动的方向发展,交流传动已占据电力机车主导地位, 尤其是在高速铁路和重载牵引方向有了很大优越性。我国交流传动电力机车货运单轴功率为 1000-1600kw ,最高速度 140km/h ,客运单轴功率 1000-1600kw ,最高速度 160-200km/h 及以上,是我国电力机车未来发展的方向。我国已经在高速铁路上有了很大的进步,技术也已走向成熟。关键词:电力机车;动车组;交流传动论文类型:基础研究电力机车未来发展方向- II- Abstrac Electric otive posed ofamechanical part (including car body and bogie), anelectrical part and the air pipe system. The body isthe otive ofthe skeleton, ismade from steel and pressure type beam welded into plicated space structure, electric otive parts ofmechanical and electrical equipment are installed inthe vehicle, itisthe otive crew working place. Bogie posed ofatraction motor converts electrical energy into mechanical energy, then the electric otive walked along atrack of mechanical device. The upper support body, the lower part ofthe wheel and the rail contact it. The electric prises otive main circuit, auxiliary circuit and control circuit isformed ofall electrical equipment, inthe otive accounted for the largest proportion, inaddition tomounted onthe steering traction motor frame outside, the rest are installed inthe chamber roof, car, car and driver. Air pipeline system otive air brake function, consisting pressor, valve s, brake and pipes. Electric otives inChina towards the direction ofthe future ofACdrive electric otive, ACdrive has occupied adominant position, especially in the high-speed railway and heavy load traction direction has great superiority. Our ACDrive Electric otive Freight single axle power is1000-1600kw, the maximum speed of140km/h, passenger s
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