电力牵引供电系统担负着向电力机车不间断供电任务，乃是电力系统与用户间的桥梁。
The electric traction power supply system is shouldering the duty of uninterrupted power supply to the electric locomotive, it is the bridge between the electrical power system and users.
最后，通过对牵引供电系统异相电弧短路和电力机车运行过程的仿真，验证了保护方案的正确性，有效性和可行性。
At last, the accuracy, efficiency and feasibility are indicated by analyzing the simulation datum of the arc wrong-phase short circuit and the running of the electric locomotive.
无功、负序和谐波的不良影响需要在电力系统进行评估，在牵引供电系统中采取技术措施以期综合解决。
The harmful effects brought by reactive power, harmonics and negative sequence usually be evaluated on some sensitive power system nodes and be comprehensive solved in the traction power system.
牵引变压器是连接牵引供电系统和电力系统的核心设备。
The traction transformer is the core equipment that was connected traction power supply system and power system.
牵引变压器是连接牵引供电系统和电力系统的核心设备。
The traction transformer is the core equipment that was connected traction power supply system and power system.
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