Industrial frequency traction current may interference FSK signal.
工频牵引电流会对移频信号带来极大的干扰。
A contourite is an important type of deep water traction current deposits.
等深流沉积是深水牵引流沉积中的一种重要类型。
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。
The frequency and amplitude of the traction current keep change continuously, and it is easy to pick-up the model.
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 two rails are not only signal lines of track circuits, but also loop current line of locomotive traction current in electrified railway block.
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 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.
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 behavior principle of DDL protection for DC feeder in DC traction current supply system and the setting principle of protection parameters are introduced and illustrative examples are given.
介绍直流牵引供电系统中直流馈线ddl保护的动作原理，以及保护参数的设定原则，并举例说。
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.
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。
One reason it's gaining so much traction is that the Pre's features weren't designed to compete against the current iPhone, but the next generation.
Pre这么受关注的一个原因在于它不是为挑战现在的iPhone而设计，它的目标是下一代iPhone。
In this system, Traction force can be gained through the motor voltage, current, efficiency and velocity of train.
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。
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.
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。
Briefly introduces the basic principles for at post differential current protection of traction power supply system in Shijiazhuang-Taiyuan passenger dedicated lines.
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。
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.
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。
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.
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。
The distribution of the harmonic current of electric locomotives in double traction feeders, which are shunted at their ends, is analyzed in the paper.
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 d. c. traction portion of which comprises current and voltage feedback to form double closed-loop speed adjustment system.
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。
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.
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；
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。
This paper mainly introduces an optimum design scheme for the frame leakage current protection of DC traction power supply system in metro engineering.
介绍了地铁直流牵引供电系统框架泄漏保护的优化设计方案。
Considering problem of the leading electrode of the Locomotive traction motor crack flaw, the eddy current testing method for leading electrode crack defect is researched in the paper.
针对机车牵引电机主极裂纹问题，本文深入地研究了用电涡流方法实现对主极裂纹检测的问题。
Its core products - current and voltage transducers - are used in a broad range of applications in industrial, traction, automation and automotive markets.
其核心产品-电流电压传感器被广泛应用于工业、铁路、能源与自动化及汽车等领域。
The reasons why reverse current protection is not necessary in rectifiers of direct current traction substation are described.
通过分析，阐述了直流牵引变电所内的整流器不必设置逆流保护的理由。
In this paper the small signal model following the DC-link of the traction converter system is established and the mechanism of DC-link voltage and current oscillation is analyzed in detail.
本文建立地铁牵引变流器关注直流侧的系统小信号模型，详细分析直流侧振荡的产生机理。
In this paper the small signal model following the DC-link of the traction converter system is established and the mechanism of DC-link voltage and current oscillation is analyzed in detail.
本文建立地铁牵引变流器关注直流侧的系统小信号模型，详细分析直流侧振荡的产生机理。
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