traction power supply

基本解释

Along with the development of railway and power grid, a new traction mode, so called two-phase AC traction power supply mode, is adopted in China.
随着我国电网的发展和铁路建设的需要，电气化铁路采用了两相交流供电系统直接并入电力输电网的牵引模式。
The higher requirements for traction power supply net are needed by the development of urban mass transit and the way of power supply by the third rail is widely used.
城市轨道交通的发展对牵引供电网的结构形式提出了更高的要求，第三轨的供电方式将被广泛采用。
Therefore, the system will be an advantageous computer-aided design tool for railway operation and designing the traction power supply system.
因此，该系统将成为铁路运营及牵引供电系统设计有利的计算机辅助设计工具。

牵引供电
In the first chapter, studying the structure and running performance include the DC traction power supply and AC power supply system.
本篇论文第一章研究了城市铁路供电系统(包括直流牵引供电系统和交流供电系统)的构成和运行方式。