Fault line Selection of Single Phase Grounding Fault in Small-Current Ground System Based on Reactive Current

2019 ◽  
Author(s):  
Li Shilong ◽  
Teng Yufei ◽  
Li Xiaopeng ◽  
Zhang Huajie ◽  
Feng Shilin
Keyword(s):  
Single Phase ◽  
Fault Line ◽  
Small Current ◽  
Fault Line Selection ◽  
Reactive Current ◽  
Ground System ◽  
Line Selection ◽  
Selection Of

scholarly journals A new approach to fault-line selection of small current neutral grounding system

2018 ◽  
Vol 6 (3) ◽  
pp. 28-34 ◽  
Author(s):  
Yujie Chen ◽  
Huiwei Chen ◽  
Baoye Song ◽  
Yanni Liu ◽  
Peixue Liu
Keyword(s):  
Fault Line ◽  
Small Current ◽  
New Approach ◽  
Grounding System ◽  
Fault Line Selection ◽  
Line Selection ◽  
Selection Of

Fault Line Selection Research on Single Phase Ground Fault of Small Current Grounding System Based on Wavelet Theory

2014 ◽  
Vol 513-517 ◽  
pp. 3552-3555
Author(s):  
Xiang Gao ◽  
Lu Wang
Keyword(s):  
Single Phase ◽  
Selection Criterion ◽  
Fault Line ◽  
Wavelet Theory ◽  
Small Current ◽  
Grounding System ◽  
Fault Line Selection ◽  
Ground Fault ◽  
Line Selection ◽  
Wavelet Transform Modulus Maximum

For the problem of single-phase ground fault line selection of small current grounding system, in this paper, according to the wavelet theory advantage processing capabilities of transient mutation signal ,line selection criterion based on wavelet transform modulus maximum principle of singularity detection is proposed . By analyzing the single-phase ground fault waveform of small current grounding system in the neutral point not effective grounding system, steady state and transient characteristics of fault occurs is obtained, building bus with three outlets of 10KV small current grounding system simulation model by using MATLAB software, and verifying the validity though a large number of simulation experiments on the method.

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