工频牵引电流会对移频信号带来极大的干扰。
Industrial frequency traction current may interference FSK signal.
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.
其二，牵引电流的频率、幅度是不断变化的，而且其模型易于提取。
The frequency and amplitude of the traction current keep change continuously, and it is easy to pick-up the model.
由于牵引电流干扰是在一定时间间隔内是平稳的，采用自适应干扰对消器可有效抑制牵引电流干扰。
Since the interference is smooth in some time interval, it is possible to adopt the adaptive noise canceller to suppress the interference effectively.
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.
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.
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.
研究目的：研制开发用于漏电检测的差动电流传感器，以适应国产化a型地铁车辆的牵引逆变器接地保护的要求。
Research purposes: By researching and developing differential current transducer used for leakage detecting, to adapt the ground protection of traction inverter in localization type a metro vehicle.
同时给出了其牵引绕组电压、电流等系统主要参数的计算。
The system interface parameters calculation, such as input voltage and cur-rent for traction windings is also presented.
牵引整流柜均流试验正是为了检测其各个桥臂并联支路整流元件的电流分配情况而设立的检验项目。
The uniform current test of the rectifier for traction power is the test subject that aimed at inspecting the current distribution of the rectifying elements in every parallel branch line bridge.
对石太客运专线牵引供电系统AT所差动电流保护的基本原理进行了简要介绍。
Briefly introduces the basic principles for at post differential current protection of traction power supply system in Shijiazhuang-Taiyuan passenger dedicated lines.
结合TAO649D机车牵引电机的结构参数，首先建立了该直流电机的数学模型，设计了该电机的转速，电流双闭环系统。
Combined with the structural parameters of TAO649D traction motor, the mathematic model of the DC motor is built and its speed and current dual-closed-loop system is designed.
该机的直流牵引部采用具有电流反馈和电压反馈的双闭环调速系统。
The d. c. traction portion of which comprises current and voltage feedback to form double closed-loop speed adjustment system.
对于牵引网的单相性以及实现两臂负荷有功功率的流通，采用了改进型的单相补偿电流检测方法；
For the simple-phase feature of traction grid and the active power circulating between the two arms, an improved method of simple-phase compensating current detecting is used.
探讨了直流牵引供电系统馈线保护配置，详细分析了基于电流变化特征量保护的原理。
The paper discussed the DC traction power supply system's feeder protection configuration in the end, and detailed analysis the principle of protection based on the current amount.
本文分析了电力机车谐波电流在一般复线末端并联供电牵引网中的分布。
The distribution of the harmonic current of electric locomotives in double traction feeders, which are shunted at their ends, is analyzed in the paper.
在系统设计中，机车牵引力通过牵引电动机电压、电流、效率以及机车速度进行计算。
In this system, Traction force can be gained through the motor voltage, current, efficiency and velocity of train.
负阻抗会引起地铁车辆牵引变流器直流侧电压、电流振荡，降低牵引传动系统稳定性。
Negative impedances lead to DC-link voltage and current oscillation in metro traction converters and so to reduction of stability of traction drive systems.
负阻抗会引起地铁车辆牵引变流器直流侧电压、电流振荡，降低牵引传动系统稳定性。
Negative impedances lead to DC-link voltage and current oscillation in metro traction converters and so to reduction of stability of traction drive systems.
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