Module components based current differential relay can eliminate the adverse effect of the distributed capacitive current. 利用模分量构成的模分量差动保护能够从根本上消除分布电容电流的不利影响。
The second effect is the rise in voltage resulting from the capacitive current of the line flowing through the source ( generator) impedance. 第二个影响是线路电容电流流过电源,阻抗引起的电压升高。
Study on Insufficient Interrupting Capacity Resulted from Switching Capacitive Current by 101 Switchgear in No.1 Main Transformer, Huangling Substation& its Improved Scheme 黄陵变电站1号主变101开关切除电容电流遮断容量不足问题的研究及改进方案
Solution to abnormal tan δ value problem in field test of capacitive current transformer 电容型电流互感器现场试验tanδ值异常的分析及解决方法
A Novel Measuring Method of Capacitive Current for Insulated Neutral Distribution Networks 中性点不接地配电网电容电流实时测量新方法
The capacitive current inner loop is used to suppress system instability and the capacitive current is obtained by estimation. 算法引入电容电流内环以抑制系统不稳定的现象,电容电流信号通过估计过程得到。
Research on capacitive current measurement with signal injection in distribution network; 对传统的注入信号检测配电网电容电流的方法进行了改进。
Orienting to grid arc suppressing coil on-line running system, this paper proposed a simple reliable tracking calculation method for capacitive current against ground. 本次研究在开发超大容量消弧线圈的同时,达到了随调、精细调节、高可靠性的要求。
Transient Voltage Measurement in Switching Small Capacitive Current Test of 1 100 kV GIS Disconnector 1100KVGIS隔离开关分合容性小电流试验中的暂态电压测量
Cyclic voltammograms of the modified electrodes showed that the capacitive current and area of the solution-electrode interface were rather large. 从循环伏安法结果得知,被修饰过之电极在水溶液极电极之电容电流及其表面积均较大。
Hazard Analysis of Capacitive Current in Coal Mine and Control Method 电网电容电流在煤矿井下的危害分析及控制方法
The capacitive current is the base of installing the Petersen-coil, deciding and tuning the capacity of the Petersen-coil. 通常配电网电容电流是决定是否装设消弧线圈、确定消弧线圈容量和进行消弧线圈调谐的重要依据。
Shunt reactors can reduce the steady capacitive current but have unobvious effect on fault transient current. 并联电抗器可以降低线路的稳态电容电流,但对故障暂态电容电流的作用不明显。
Under normal operation of distribution network, the device automatically traces network parameters and calculates phase-to-ground capacitive current. 配电网正常运行时,装置自动跟踪电网参数并计算相对地电容电流。
Application of resonance measurement method for capacitive current of the distribution network 配电网电容电流谐振测量方法的应用
System capacitive current testing can guide arc-extinguish coil correct switching. 通过测试系统电容电流,可以指导消弧线圈的正确投切。
Research on measurement of resistive current in XLPE cable using capacitive current compensation method 用容性电流补偿法检测XLPE电缆中阻性电流的研究
Study on Test Method of Capacitive Current Switching for Ultra-high Voltage Circuit Breakers 特高压断路器容性电流开合试验方法研究
Research on the Capacitive Current Compensation Feedback System 电容电流反馈补偿系统的研究
A new method is proposed to measure the tuning-off degree and the capacitive current of resonance grounding power networks based on a new measuring principle. 采用新的测量原理,提出了可同时对谐振接地电力网脱谐度和电容电流进行实时测量的新方法。
The method of capacitive current compensation is simple, but could not be used at three-phases synchronous measurement. 容性电流补偿法原理简单,但不适于三相同时测量;
Study on non-effectively earthed system neutral point capacitive current testing methods 中性点非有效接地系统电容电流测试方法的研究
The structure and function of the device, and the method of capacitive current tracking measurement are introduced. 介绍了装置的结构与功能,以及电容电流的跟踪测量方法。
This paper has carried on deep analysis and studies to various kinds of capacitive current calculation methods of resonance ground system and compensation principles of arc-suppressing coil, and has pointed out the error that they exist in theory and the necessity of reducing the error. 本文对谐振接地系统的多种电容电流计算方法和消弧线圈补偿原理进行了深入的分析与研究,指出了它们在理论上存在的误差及减小误差的必要性。
The paper has also analyzed the influence the high-voltage side fault and asymmetrical fluctuation of load to the judgment of capacitive current change of resonance ground system, and has put forward the method, which judges to capacitive current change accurately. 本文还分析了高压侧故障和负荷的不对称波动,对判断谐振接地系统电容电流变化的影响,并提出了准确判断电容电流改变的方法。
The capacitive current can be traced automatically by measuring the added neutral voltage continuously. 通过连续检测中性点位移电压的变化量,实现电容电流的自动跟踪测量。
The traditional methods of capacitive current compensation and fault components are not still effective enough. 目前电容电流补偿的方法和故障分量的方法都不能取得很好的效果。
The calculation of the capacitive current is the basis of automatic compensation. 而谐振接地系统的电容电流计算是自动调谐消弧线圈进行自动补偿的依据。
After analyzing the results of the cable network capacitive current, grounding resistance, ground point location and grounding protection methods on the degree of influence system operation have been obtained. 经过分析上述计算结果得到了电缆网电容电流、接地电阻、接地点位置及接地保护方式对系统运行的影响程度。