一旦连接到轨道上，汽车将由系统提供电力，由中央计算机控制。
Once attached to the rail, the car will become electrically powered from the system, and control of the vehicle will pass to a central computer.
同时它也是轨道交通供电自动化系统的一个组成部分。
It is also one portion of the automation systems of power supply for the mass transit railway.
简要介绍了城市轨道交通供电系统中接触轨的组成及安装工艺方法。
It is introduced in this paper the composition and installation techniques of conductor rails in the urban rail transit power supply system.
直流供电的控制和保护系统对确保轨道交通的安全、可靠的运行，具有举足轻重的作用。
The control and protection system in DC power distribution systems plays a very important role in ensuring the mass transit railway safe and reliable operation.
通过对轨道交通供电系统高次谐波产生原因及危害的分析，着重探讨对供电系统谐波抑制的措施。
Through reason and harm analysis which produces to the rail transit power supply system higher harmonic, discusses emphatically to the power supply system harmonic suppression measure.
本文介绍了武汉市轨道交通的牵引供电系统，重点介绍了钢铝复合接触轨及其附件的电气和机械性能指标。
This article introduces the traction power supply system in Wuhan, especially the electrical and mechanical indices of aluminum -composite conductor rail and its accessories.
分析了轨道交通直流牵引供电系统的直流设备电压型框架保护装置与轨道电位限制装置定值和时间配合存在的问题及解决办法。
It analyses the rail transit DC traction power supply system voltage type frame protect device and rail voltage limited device matching problems that solve their adjusting value and time.
城市轨道交通牵引供电系统采用12脉波整流机组和24脉波整流机组进行整流，所产生谐波以11次、13次、23次和25次谐波为主。
Urban mass transit adopts 12 pulse and 24 pulse rectifier, whose high frequency harmonics mainly is 11 times, 13 times, 23 times and 25 times harmonics.
由于在小波降噪中不同的阈值适应的信号特征不同，采用多种小波阈值对城市轨道交通牵引供电系统谐波信号进行降噪，并从中选择了最优的降噪阈值，达到对信号的优化处理。
Due to different wavelet threshold fit for different characteristic of signal, various wavelet de-noise threshold was used to decline the harmonics of signal and the best threshold was chosen.
城市轨道交通的供电系统一般采用直流供电，并以轨道作为回流的通路。
In DC rail transit systems, the running rails are usually used as the return conductor for traction current.
城市轨道交通的供电系统一般采用直流供电，并以轨道作为回流的通路。
In DC rail transit systems, the running rails are usually used as the return conductor for traction current.
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