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
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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
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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
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Single-Phase Fault Line Selection in Distribution Network Based on Signal Injection Method
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
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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
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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
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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
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Fault line selection method for coal mine power grid based on RCMDE and KFCM
It is difficult to accurately select the fault line when the single-phase ground fault occurs in the coal mine power grid with the widely used resonant grounding system.
HAN Guoguo +4 more
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Continuous comprehensive line selection technology based on D-S evidence theory
Aiming at the single-phase grounding fault in 380 V three-phase AC power system with ungrounded neutral, a fault line selection method considering zero sequence current ratio method, zero sequence current phase ratio method and dual frequency method is ...
Kechang Dai, Zhihao Ye, Liang Chen
doaj +1 more source

