针对直流电力牵引区段车辆段轨道电路中的信号电流存在的迂回问题，提出了在工程设计中的防范措施。
For the problem of signal current bypass with track circuit of rolling stock depot in DC electric traction sections, the paper provides measures to prevent it.
电力牵引区段的两条钢轨，既作为轨道电路的通道来传输信号电流，又作为牵引电流的回路来传送牵引电流。
The two rails are not only signal lines of track circuits, but also loop current line of locomotive traction current in electrified railway block.
牵引整流柜是电传动内燃机车的主电路的的整流设备。
The traction power rectifier is the key equipment in the circuit of diesel locomotive with electric transmission.
从主电路设计和牵引、制动设计几方面介绍了城轨车电传动系统的技术方案设计。
Described are the design of the technical scheme of electric transmission system for urban rail cars from such aspects as main circuit design, traction and braking design.
在电气化铁路轨道电路中，两条钢轨即是轨道信号的传输线，又是电力机车牵引电流返回变电所的回流线。
In electric railway track circuit, the two steel tracks are both transmission line of the track signal and return line for electric locomotive tractive current back to electric substation.
针对上述问题，本文首先通过传输线理论建立了机车用电缆的分布参数模型，以及变频调速牵引电机的高频等效电路。
In allusion to the problems mentioned above, firstly, the paper models the distribution parameter circuit of the cable and the high frequency circuit of motor through the transmission theory.
本文讨论了电气化铁道牵引回流对轨道电路干扰的测试力法。
This paper discusses the analysis method on measuring and testing the railway electrification interference to track circuits.
介绍了牵引电流对轨道电路的影响，提出了几项改进方法。
The paper introduces the influence of tractive current on the track circuit, and some improved methods are put forward.
电脑微控多功能颈、腰椎治疗牵引床，采用进口电机及微机软件集成电路作控制。
Computerized inching control multifunctional cervical vertebra and lumbar treatment traction bed adopts imported engine and computer software integrate circuit to control.
以地铁车辆用DC750V牵引变频器为例，采用IGBT作为主要开关元件设计了逆变器主电路及控制系统，并利用MATLAB/SIMULINK进行了仿真。
It is designed that the main circuit and control system using the IGBT as its switch element based on the DC750V traction transducer of metro vehicles. The system is also simulated by MATLAB/SIMULINK.
牵引电流干扰是铁路信号专业的一个重要课题，采用无砟轨道之后会给轨道电路抗牵引电流干扰带来一定的影响。
The interference of the traction current is one of the important subject in the major of railway signal. The use of ballastless track will influence it's condition.
对于全并联直接供电牵引网短路故障，采用两相对称分量法，分析电路特征，得到短路阻抗表达式。
For the direct power traction systems with full parallel connection, the characteristics of short-circuit impedance is analyzed with method of two symmetrical phases, and the expression is acquired.
对于全并联直接供电牵引网短路故障，采用两相对称分量法，分析电路特征，得到短路阻抗表达式。
For the direct power traction systems with full parallel connection, the characteristics of short-circuit impedance is analyzed with method of two symmetrical phases, and the expression is acquired.
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