current transformer CT

With the development of power system, on one hand, the capacity of the power system is increasing very rapidly and the system current becomes larger and larger, so it becomes very difficult for a traditional current transformer ( CT) to undertake the measurement task.

随着我国电力系统的不断发展，一方面，电力系统的容量在不断加大，系统电流值不断增加，一次侧电流值的测量对传统的电流互感器越来越困难；

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Using current transformer ( CT), people gain secondary side current which is proportional to primary side current. When magnetic flux is saturated, the excitation current is increased and the proportion of the CT is changed.

电流互感器（CT）采用电磁感应的原理得到与一次侧电流成比例的二次电流，当磁通饱和时励磁电流增大，两侧电流的比例关系发生改变。

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Cause of the Local Discharge in Current Transformer ( CT), Method in Local Discharge Experiment and Got Out from Trouble in Experiment

电流互感器局部放电原因、局部放电试验方法及其排除试验中干扰问题

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At present, the electromagnetic current transformer ( CT) is still widely used in electric power relay protection.

当前电力系统继电保护广泛采用的电流互感器（CT）仍然是传统的电磁式电流互感器。

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A novel intelligent calibration instrumentation of Current Transformer ( CT) on site based on μ′ nSPTM type single-chip processor is proposed.

介绍了一种用于现场校验电流互感器（CT）的便携式新型智能仪器。

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Secondary load impedance of a current transformer ( CT) has great influence on the error of the CT.

电流互感器二次负载阻抗对电流互感器误差有较大的影响。

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This paper reviews and analyzes the existing problems of shunt reactor protection, including the sensitivity and reliability of turn-to-turn fault protection, current transformer ( CT) saturation of differential relay and the characteristic of overload protection.

分析了目前超高压并联电抗器保护所存在的一些问题，包括电抗器匝间短路保护灵敏度与可靠性、电流互感器暂态特性不一致对差动保护的影响等。

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Current transformer ( CT) is important equipment in power system, which plays a very important role of measurement, monitoring and protection in power system.

电流互感器是电力系统的重要设备，在电力系统的计量、监控以及保护中起着很重要的作用。

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The paper analyses the current transformer ( CT) that secondary winding possesses casing tap, and its secondary connector wiring fault's influence on the CT changing rate.

文章分析了二次绕组带有抽头的套管电流互感器（CT），其二次端子接线错误对CT变比的影响。

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This paper is aimed to research and realize a new-type optoelectronic current transformer to replace traditional CT.

本文旨在研究和实现一种新型的光电式电流互感器，以取代传统CT。

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The transformation ratio of the original current transformer ( CT) on the transformer HV side was so large that a parameter for the differential protection software exceeded its settable scope.

因变压器高压侧的电流互感器选择变比过大，以致超出差动保护软件的参数设置的范围。

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Along with the current widely-spread application of gas insulated switchgear ( GIS) in power system, it has become a hot issue to search for an appropriate current transformer ( CT) suitable for GIS to replace the regular CT.

气体绝缘封闭组合器件（GIS）在电力系统中的应用越来越广泛，寻求适合GIS特点的新型电流互感器以代替传统的电流互感器逐渐成为研究热点。

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The nonlinear magnetization characteristic of current transformer ( CT) iron core must be considered when simulating the CT's transients behavior.

在对电流互感器（CT）暂态过程的数字仿真中，电流互感器的铁芯的非线性磁化特性必须加以考虑。

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The current transformer ( CT) saturation will affect the unit transverse differential protection performance greatly.

针对电流互感器（CT）严重饱和会影响单元件横差保护的动作性能问题。

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Two methods for power supply are proposed in this paper: self-supplying current transformer ( CT) power source and optical power supply.

论文首先分析了两种电源方案：取电CT电源和激光电源。

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The qualitative and quantitative investigation on a 35 kV current transformer ( CT) using ( circuitry) and numerical field methods has been performed for analyzing the cause of the corona discharging nearby the flange.

采用路、场两种方法对35kV电流互感器电场分布进行定性和定量的研究，分析其法兰附近发生电晕放电的原因。

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The various current transformer ( CT) properties are gathered in ANN model, and the current values, sampled synchronously from each CT connected with the bus, are used as the inputs of ANN model.

将母线上各电流互感器的不同特性全部放入到神经网络中，并将从各电流互感器获得的同步采样电流值作为神经网络的输入。

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