The healthy line is unloaded for zero-sequence component when a single-phase fault occurs in a non-solid earthed network.
小电流接地系统发生单相接地故障时,对零序分量而言,非故障线路相当于空载。
Because there is no need for acquiring the zero-sequence component, this principle can eliminate the effect of zero-sequence mutual inductance between coupling lines.
由于该方法中没有用到线路两真个零序分量,消除掉耦合线路之间零序互感对测距的影响。
The zero sequence component and the positive sequence component equations of transmission lines are derived on the basis of telegraph equations.
运用电报方程推导出三线-地耦合传输线零序分量和正序分量传输线方程。
The zero sequence directional relay is an important relay component for transmission line.
零序功率方向继电器是线路保护中的一个重要元件。
It shows that DVR will inject small zero sequence component into the power system during compensation control even if there is no zero sequence circuit. This will influence the voltage on system side.
分析表明,即使系统不存在零序回路,DVR都会在补偿控制中向系统注入微小的零序分量,该零序分量会对无零序回路系统侧电压造成不良影响。
Based on the symmetry component theory, a method of the motor protection is presented by measuring positive, negative and zero sequence current component.
基于对称分量法理论,提出了基于检测正序、负序、零序电流分量的电动机保护方法。
Similar performance can be obtained to some extent with the simpler scheme of no zero sequence component design.
无零序设计方案的效果与最大相电流最小化设计方案接近。
Two methods to calculate the zero sequence current are deduced based on the symmetrical component method.
根据对称分量法,推导了两种软件计算零序电流的方法。
Based on the method of six sequence fault component, this paper analyses the performance of zero sequence directional relay on double circuit line on the same pole (DLSP).
文中用六序分量法分析了同杆双回线上零序功率方向继电器的性能。
So a new control strategy is proposed to detect and suppress the influence of zero sequence component injected by DVR. Simulation results show that the proposed strategy is co…
为此,提出了新的控制策略,该控制策略通过检测并消除指令中的零序分量,以破坏无零序电流回路系统的零序电压正反馈条件,消除DVR注入零序电压的不良影响。
How to check the connection correctness of "l", "n", "s" lines is discussed on the shortcomings of on-load test for zero-sequence power direction component.
针对当前零序功率方向元件带负荷试验的不足之处,讨论了如何检查“L”、“N”及“S”线的接线正确性。
This paper also proposed a new fault locating method based on either the active component increment or the amplitude increment of zero-sequence current.
提出了零序电流有功增量和零序电流幅值增量作为判据的故障点定位方法。
This paper also proposed a new fault locating method based on either the active component increment or the amplitude increment of zero-sequence current.
提出了零序电流有功增量和零序电流幅值增量作为判据的故障点定位方法。
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