Wavelet Transform-based Ground Fault Detection for LVDC Microgrid

2021 ◽  
Vol 70 (9) ◽  
pp. 1289-1294
Author(s):  
Kyung-Min Lee ◽  
Chul-Won Park
Keyword(s):  
Wavelet Transform ◽  
Fault Detection ◽  
Ground Fault ◽  
Ground Fault Detection

Single-Line to Ground-Fault Detection for Unit Generator-Transformer Based on Wavelet Transform and Neural Networks

2016 ◽  
Vol 818 ◽  
pp. 47-51
Author(s):  
Ahmad Rizal Sultan ◽  
Mohd Wazir Mustafa ◽  
Makmur Saini
Keyword(s):  
Neural Network ◽  
Neural Networks ◽  
Wavelet Transform ◽  
Fault Detection ◽  
Wavelet Transforms ◽  
Single Line ◽  
Statistical Parameters ◽  
Ground Fault ◽  
Parameters Analysis ◽  
Ground Fault Detection

This paper proposes an approach for the detection of the single line to ground fault on a unit generator-transformer, based on the extraction of statistical parameters from wavelet transform based neural network. In the simulation, the current and voltage signals were found decomposed over wavelet analysis into several approximations and details. The simulation of the unit generator-transformer was carried out using the Sim-PowerSystem Blockset of MATLAB. The statistical parameters analysis involved measurement of the dispersion factors (range and standard deviation) of wavelet coefficients. Regarding the pattern recognition of neural networks performance, the accuracy of SLG-fault detection of neural networks was 97.45 %. The results indicated that dispersion factor feature of wavelet transforms was accurate enough in distinguishing a single line to ground-fault and normal condition for a unit generator-transformer.

A data-driven ground fault detection and isolation method for main circuit in railway electrical traction system

2019 ◽  
Vol 87 ◽  
pp. 264-271 ◽  
Author(s):  
Zhiwen Chen ◽  
Xueming Li ◽  
Chao Yang ◽  
Tao Peng ◽  
Chunhua Yang ◽  
...  
Keyword(s):  
Fault Detection ◽  
Fault Detection And Isolation ◽  
Data Driven ◽  
Isolation Method ◽  
Ground Fault ◽  
Traction System ◽  
Ground Fault Detection

scholarly journals Voltage Correlation based Single Pole-to-Ground Fault Detection of MMC-HVDC Transmission Line

IEEE Access ◽  
2020 ◽  
pp. 1-1
Author(s):  
Na An ◽  
Hongchun Shu ◽  
Bo Yang ◽  
Pulin Cao ◽  
Jian Song ◽  
...  
Keyword(s):  
Fault Detection ◽  
Transmission Line ◽  
Hvdc Transmission ◽  
Ground Fault ◽  
Ground Fault Detection

Coordination-Free Ground-Fault Detection for Mine Distribution Systems

1985 ◽  
Vol IA-21 (1) ◽  
pp. 162-169 ◽  
Author(s):  
Lloyd A. Morley ◽  
Joseph A. Martarano ◽  
Frederick C. Trutt
Keyword(s):  
Fault Detection ◽  
Distribution Systems ◽  
Ground Fault ◽  
Ground Fault Detection
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