2) fault line selection
故障选线
1.
Method of distributed power system fault line selection based on transient high frequency instantaneous zero-sequence power;
基于暂态高频零序瞬时功率的配电网故障选线方法
2.
New approach for fault line selection in distribution system with arc suppressing coil grounding using decaying DC component;
一种利用衰减直流分量的谐振接地系统故障选线方法
3.
Research on fault line selection of single-phase grounding at two localities in power system with neutral unearthed;
小电流接地系统两点单相接地故障选线的研究
3) fault line detection
故障选线
1.
Ant colony algorithm and neural network based fault line detection method for distribution network;
基于蚁群算法的神经网络配电网故障选线方法
2.
Project of fault line detection for single-phase-to-earth in distribution system;
配电网单相接地故障选线方案
3.
Study on fault line detection based on S-rough sets in indirectly grounding power system;
基于S-粗集的小电流接地故障选线研究
4) faulty line detection
故障选线
1.
Artificial immune algorithm based faulty line detection method for indirectly grounding power system
基于人工免疫算法的小电流接地故障选线
2.
A faulty line detection method based on the high-frequency components of zero-sequence current is proposed.
应用在高频空间具有良好聚焦性的小波包工具,对故障后线路中的暂态零序电流进行分解,提取暂态零序电流在选定频带内的高频分量,以故障线与非故障线的零序电流高频分量之和的测度和故障线与非故障线的电流测度之和作为系统故障的特征信息,提出一种新的基于零序电流高频分量的故障选线判别方法;以自定义系统的故障特征值为主判据、故障电流高频分量为辅助判据实现故障类型的判断。
3.
A novel faulty line detection method based on wavelet packet analysis for distribution network is proposed to avoid improper detection caused by energy decay of zero sequence current signals at low sampling rate.
提出了基于小波包分析的配电网故障选线新方法用于解决低频采样零序电流信号因发生不同程度的能量衰减而导致的选线错误问题。
5) faulty line selection
故障选线
1.
Aiming at the difficulty of faulty line selection for the single phase grounding of the network with neutral point earthed via controllable arc suppression coil,the ZSCR(Zero-Sequence-Current-Ratio) method is presented.
针对中性点经可控消弧线圈接地电网单相接地故障选线困难的情况,提出零序电流比幅接地选线新方法。
2.
The problem of the faulty line selection with the arc suppression coil(ASC) has existed for a long time.
故障选线问题一直困扰着消弧线圈接地系统。
3.
Limited,presents the method of faulty line selection based on negative sequence cur- rent component induced by small current grounding.
提出采用小电流接地负序电流故障分量法来进行故障选线,具有不受中性点电抗补偿的影响,且故障特征明显的优点。
6) fault circuit selection
故障选线
1.
This paper gives a brief analysis firstly to fault transient characteristics of these kinds of system,then utilizes wavelet transform to obtain useful fault transient components and establishes fault measures about transient characteristic so that realizes fault circuit selection.
在分析了小电流接地电网发生单相接地时暂态特征的基础上,应用小波变换提取故障暂态信息,并构造出暂态故障测度,从而实现故障选线。
2.
Aimed at fault circuit selection by opening line one by one on single phase grounding fault in small current neutral system, an improved method of fault circuit selection based on monitoring zero sequence voltage and zero sequence current of each outlet is employed.
针对小电流接地系统单相接地故障选线困难 ,现场不得不采用拉路法检出故障线路的情况 ,采用监视零序电压和各条出线上零序电流的方法 ,改进了传统的拉路选线方法 ,实现了只需要任意拉开一条出线一次 ,就能够准确判定故障线路。
3.
In this dissertation, the investigation of the earth-phase fault circuit selection based on wavelets are involved.
本文主要研究谐振接地系统单相接地故障选线方法,完成的主要工作包括: (1) 提出了一种新的故障选线方法。
补充资料：故障
（机械、仪器等）发生的不能顺利运转的情况；毛病②：发生～丨排除～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条