Ye Tian, Mou-Fa Guo, Duan-Yu Chen. Intermittent Arc Fault Detection Based on Machine Learning in Resonant Grounding Distribution Systems[J]. CSEE Journal of Power and Energy Systems, 2023, 9(2): 599-611.
DOI:
Ye Tian, Mou-Fa Guo, Duan-Yu Chen. Intermittent Arc Fault Detection Based on Machine Learning in Resonant Grounding Distribution Systems[J]. CSEE Journal of Power and Energy Systems, 2023, 9(2): 599-611.DOI: 10.17775/CSEEJPES.2019.03410.
Intermittent Arc Fault Detection Based on Machine Learning in Resonant Grounding Distribution Systems
most single-phase-to-ground faults evolve from IAFs (Intermittent Arc Faults). Earlier detection of IAFs can facilitate fault avoidance. This work proposes a novel method based on machine learning for detecting IAFs in three steps. First
the feature of zero-sequence current is automatically extracted and selected by a newly-designed FINET (“For IAFs
Neuron Elaboration Net”)
instead of traditional feature selection based on time-frequency decomposition. Moreover
data of the zero-sequence current divided by different time windows are successively input into the trained FINET. A proposed PSF (principal-subordinate factor) analyses the results obtained from FINET to improve anti-interference in the mentioned IAF detection algorithm. Experiments using PSCAD/EMTDC software simulation data show the proposed method is feasible and highly adaptable. In addition
the detection result of on-site recorded data demonstrates the effectiveness of the proposed method in practical resonant grounding systems.
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