针对重载铁路以及交流传动机车的特点,对新建重载铁路牵引供电方案与接触网载流能力的关系进行了细致的分析,逐步深入的介绍了重载铁路牵引供电方案设计的几个关键步骤,以及详细的计算方法,并提出了设计中应注意的问题。 Aiming at the characteristics of heavy haul railway and AC drive train, the relationship between traction power supply scheme of new heavy haul railway and catenary current carrying capacity is analyzed in detail, and the key steps of haulage power supply scheme design for heavy haul railway are introduced step by step , As well as detailed calculation methods, and put forward the design should pay attention to the problem.