A Current Transformer Saturation Countermeasure Study for Transmission Line Current Differential Protection 输电线路电流差动保护抗电流互感器饱和研究
A Novel Method for Current Transformer Saturation Countermeasure Based on Comparing Two Currents 'Polarities 氯化亚汞,甘汞,一氧化汞基于电流极性比较的抗电流互感器饱和新方法
Novel Method for Current Transformer Saturation Countermeasure Based on the Ratio of Differential Current and Restraint Current 基于差动电流与制动电流比值的抗电流互感器饱和新方法
Short Data Window Based Adaptive Differential Protection Algorithm with Current Transformer Saturation in EHV Transmission Lines 自适应短数据窗抗电流互感器饱和线路差动保护算法
Simulation of influence of current transformer saturation characteristic by aperiodic current 非周期分量对电流互感器饱和特性的影响的仿真
The Impact of Current Transformer Saturation on the Computer Protection Device and Countermeasures 电流互感器饱和对微机保护装置的影响与对策
Analysis of current transformer saturation in transformer differential protection and solution to it 变压器差动保护用电流互感器饱和的原因分析及解决办法
The influences of current transformer saturation on the operation of unit transformer differential protection relay under different conditions were analyzed with ATP ( Alternative Transients Program). 采用ATP(AlternativeTransientsProgram)仿真程序对CT的饱和问题进行了研究,分析比较在不同条件下CT饱和的行为特征及其对单元件横差保护的影响。
New Current Transformer Saturation Detecting Method Based on Singularity Characteristics of Waveforms 基于波形奇异性特征检测电流互感器铁心饱和的新方法
But for large generator, the fault current can be greater, which affects greatly the protection performance by making the current transformer saturation. 大型发电机内部故障产生的巨大短路电流可能引起其电流互感器饱和,从而影响保护的动作性能。
Research on fault feeder detection device for shipboard AC power system based on current saturation 基于电流饱和深度的船舶电网接地故障定位装置的研究
This paper introduces both the current saturation and the development of sensor technology, as well as the application and the development of the sensor technology in military market abroad. 本文介绍国外军用传感器技术发展现状,研制和开发水平,同时也介绍了传感器技术在军事上的应用情况及发展方向。
Based on an analysis of current transformer saturation and the waveform identification of sampling values of the differential current, a new method is proposed to prevent the external fault malfunction of transformer differential protection. 在对电流互感器饱和进行理论分析的基础上,基于对差动电流采样值波形特征的识别,提出了一种防止变压器纵差保护区外故障误动作的新方法。
In induction motors with solid rotors there exist complex electromagnetic phenomena, such as eddy current, saturation, skin effect, etc. 在实心转子异步电机中,存在着复杂的电磁现象,如涡流现象、饱和现象、集肤效应等。
A new on-line criterion for current transformer saturation based on Wavelet Transform 基于小波变换的电流互感器饱和实时检测新判据
The Method of Increasing the Switching Frequency of Transistor Inverter-The Design of Optimal Base Current and Saturation Control Circuit 提高脉冲逆变器开关频率的技术&最佳基极驱动电流和抗饱和电路的设计
Asynchronous Method for the Recognition of Current Transformer Saturation and Its Application 异步法电流互感器饱和判别新原理及其应用
As only the voltage phasor is needed, the method eliminates the inherent error due to the current transformer saturation. 由于仅利用电压相量进行测距,消除了由于电流互感器饱和所带来的测距误差,并且可以应用于对称和不对称高压输电线路中。
Research on the Practicality of Current Transformer Saturation Detection Using the Magnetic Restraint Principle 利用磁制动检测电流互感器饱和的实用化研究
This device is parasitic latch up free, and exhibits the characteristic of output current decrease, instead of current saturation or increase at higher anode voltage. 这种器件无寄生闩锁效应,并在较高阳极电压下展现出电流下降而不是饱和或上升的特性。
Influence of Current Transformer Saturation on Unit-Transverse Differential Protection and Its Countermeasures 电流互感器饱和对单元件横差保护影响的仿真分析
This paper points out that the current saturation computing method, when applied to clay, leads to an unreasonable great value which sometimes even exceeds the theoretical maximum. 指出现行土饱和度Sr计算方法用于粘土时出现数值偏大甚至超过理论最大值的不合理现象。
The nonlinear curve of the current saturation character of input stage in the frequency domain is described and the expression for the nonlinear curve bas been derived. 推导出了输入级电流饱和特性在频域中的非线性曲线及解析表达式;
Inrush current and current transformer saturation essentially all belong to the core saturation. 励磁涌流和电流互感器饱和从本质上来说都属于铁芯饱和。
The fault location method proposed here requires small amount of information and can at the same time avoid the impacts from current transformer saturation and Transition Resistance to the accuracy of fault location results. 该方法信息需求量小;同时避免了电流互感器饱和现象和过渡电阻对故障定位精度的影响。
The affections of amplitude and frequency are considered in this model which can accurately reflect current saturation behavior. 此模型能准确地反映控制电流的饱和特性,且在模型中引入频率和振幅因素。
Anti-windup device is used to solve the current loop saturation problem. 采用抗积分饱和控制器来解决电流环饱和问题,改善了控制性能。
Based on achieving generator percentage differential protection, the generation, characteristics and identification of current transformer saturation are studied. 发电机差动保护中,实现了比率制动特性的电流纵联差动虚拟保护,研究了发电机TA饱和的产生、特点及识别方法。