Single-Phase Fault Line Selection in Distribution Network Based on Signal Injection Method [PDF]
The distribution network with small current grounding mode can ensure high power supply reliability, but it is difficult to locate single-phase grounding fault line. Most of the faults in distribution network are single-phase to ground fault.
Lin Niu, Guiqing Wu, Zhangsheng Xu
doaj +4 more sources
Single-phase grounding fault line selection method based on zero-sequence current increment
To address single-phase grounding fault line selection problem in small current grounding distribution network, the paper proposes a fault line selection method based on zero-sequence current (ZSC) increment.
Bai Hao
doaj +3 more sources
Single-phase grounding fault line selection method based on dynamic time warping algorithm
Aiming at the problems of the complex line selection process and slow line selection speed of the existing intelligent classification line selection methods, a single-phase grounding fault line selection method based on the dynamic time warping (DTW ...
Kongxian Wang +3 more
doaj +3 more sources
In order to improve reliability of distributions, the neutrals are usually insulated or compensated with Peterson coil. Thus, the currents of single-phase to ground fault are weak, leading to difficulty in fault line selection problem.
Jie Sun +5 more
doaj +3 more sources
Application of Convolutional Neural Network in Fault Line Selection of Distribution Network
Aiming at the problem that the effect of the existing fault line selection methods is mainly determined by the fault features constructed by manual extraction, and the fault feature extraction process is complex and time-consuming, a new method based on ...
Jingjing Tian +4 more
doaj +2 more sources
A new approach to fault-line selection of small current neutral grounding system
In this paper, a new approach combining BP neural network with fuzzy Petri net (FPN) is developed to deal with the issue of fault-line selection of the small current neutral grounding system.
Yujie Chen +4 more
doaj +2 more sources
Fast Fault Line Selection Technology of Distribution Network Based on MCECA-CloFormer
When a single-phase grounding fault occurs in resonant ground distribution network, the fault characteristics are weak and it is difficult to detect the fault line.
Can Ding +3 more
doaj +3 more sources
A Fault Line Selection Method for DC Distribution Network Using Multiple Observers
This paper proposes a method of fault line selection for a DC distribution network. Firstly, the 1-mode current is calculated using the measured currents of the positive and the negative line.
Xipeng Zhang +4 more
doaj +3 more sources
Research of Method of On-line Fault Line Selection and Location of Underground Cable
In order to solve problems that it is hard to confirm fault position when single-phase grounding fault happens in underground power supply system and existing off-line distance measured methods are poor in precision, the paper analyzed characteristics of
SUN Quan-cai, JIN Li
doaj +1 more source
Fusion fault line selection method of small current grounding fault based on VMD
At present, the fault line selection method of coal mine distribution network has the problem of fault line selection failure when the relevant fault features are not obvious.
SUN Kongming +5 more
doaj +1 more source

