试验结果表明此方法可以准确地实现单相故障选线。
The RTDS (real time digital simulator) simulations indicate that the method can find out the faulty line correctly.
针对配电网故障选线的研究现状，提出了一种暂态选线新算法。
According to the researching situation of fault line selection in distribution networks, a novel algorithm of transient line selection is proposed.
根据提出的方法开发了故障选线分析软件，设计了故障选线装置。
The analysis procedure of the fault circuit selection is developed and a fault circuit selection device is designed.
介绍了基于“S注入法”的小电流接地系统单相接地故障选线定位保护。
The protection for earth fault line selection and fault point location by S injecting current in neutral isolated power system is presented.
为了克服该方法的局限性，提出了一种基于粗集理论的改进故障选线方法。
In order to overcome the limitation of the method, an improved fault line detection method based on rough set theory is presented.
采用虚拟仪器技术，开发了基于混沌选线方法的小电流接地系统单相接地故障选线仪。
Furthermore, based on Lab VIEW virtual instrument technology, the chaotic single-phase-to-ground fault protection is developed.
首先对采样的零序暂态电流信号做增强处理，然后利用小波包分析方法进行故障选线。
First the zero sequence transient current signal sampled is enhanced, and then the signal enhanced is decomposed by using wavelet packet analysis to realize faulty line detection.
对于中性点接地方式不同的配电网，按照能量的观点，选择不同的频带来实现故障选线。
In view of energy, the different frequency band is chosen corresponding to the distribution system with the different neutral grounding mode.
并在此基础上给出了补偿电网中消弧线圈自动调谐与单相接地故障选线一体化的综合控制思路。
Then the idea of integral control of automatic resonance and single-phase earth faulted line selection was put forward.
以往选线装置采用的是单一故障选线方法，只针对部分故障信息进行处理，选线的可靠性不高。
The problem isn't solved completely. Traditional single fault-detection method using only some parts of fault information has poor reliability.
但是根据这些故障选线原理制造的选线装置，还不具备在电力系统中推广应用的可靠性和准确性。
But the line selection device base of these fault line selection principle, didn't have the reliability and veracity of apply in the power system.
由于故障电流小、电弧不稳定等原因，小电流接地系统单相故障选线问题始终没有得到彻底解决。
On account of the weak fault current and unstable fault arc, the problems of the single phase to ground fault line selection in the non-solid earthed network have never been thoroughly resolved.
为防止在电流过零点附近发生的接地故障时的暂态量太小，论文提出利用电流增量进行故障选线。
When grounding fault happens at the time when current is zero, the transient value is too small, in order to prevent it, the paper brings forward the current increment method to select faulty line.
结合自动补偿电网的特征，对利用零序电流的附加有功分量进行单相接地故障选线进行了研究与分析。
The paper made research and analysis on the topic of faulted line selecting in an auto compensated distribution network in use of the active part of residual currents.
由于单一故障选线方法的精确度较低，探讨了信息融合处理技术，将多种选线方法进行了信息融合实现。
Because a single fault protection scheme has poor precision in ground fault detection, information fusion technology is discussed and many selection methods are fused.
通过求取相关系数平均值，避免数据采集不同步引起的计算误差，得到按照发生线路故障可能性大小排列的故障选线序列。
The average correlation coefficient is calculated to remove the errors caused by asynchronous sampling and the faulty line selection list is sorted according to the fault probability of line.
对于中性点接地方式不同的配电网，按照能量的观点，在SFB频段内选择不同的频带利用波形识别技术来实现故障选线。
In view of energy, using waveform recognition, the different frequency band is chosen corresponding to the distribution system with the different neutral grounding mode in SFB.
通过对中性点不接地配电网单相接地故障时零序全电流的分析，得出了利用零序全电流的大小和方向进行故障选线的新方法。
By analyzing the zero-sequence full current for single-phase grounding fault in isolated neutral distribution network, a new approach to determine the faulty transmission line is obtained.
深入细致地分析了谐波、间歇电弧、电流互感器、负荷、过渡电阻等多个因素对故障选线结果的影响，为方案的实用化奠定了基础。
The influences of several factors such as harmonics, intermittent arc grounding, ct, load and fault resistance have been thoroughly analyzed, therefore, it is fundamental work for its application.
EMTDC仿真试验结果表明该方法可以准确地实现单相故障选线，并验证了文章对输电线路零序输入阻抗相频特性分析的正确性。
The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.
提出一种基于暂态能量的故障选线自适应方法，利用所有健全线路暂态能量与故障线路暂态能量之差为最小值的原理，构成故障选线算法。
This paper presents an adaptive fault circuit selection method based on the principle that the difference of transient energy of normal circuits and that of fault circuit is.
将基于暂态行波的接地选线技术应用于现场，实现了基于电流行波的配电系统故障选线装置SL-11，并在现场对装置进行了多次试验。
The grounding line selector SL-11 has passed field tests of single-phase-grounding line selection in non-solidly grounding system, which is based on current transient traveling wave.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
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