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. The method downshift grounding transformer (GT) tap step-by-step to amplify fault current,...
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Elsevier
2022
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/25cdec254bb540bd8324a8bfe44cfdad |
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| Sumario: | 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. The method downshift grounding transformer (GT) tap step-by-step to amplify fault current, defines the line with largest ZSC variation as fault line. The results of typical non-effectively grounding 10 kV distribution network show the rationality and applicability of the proposed method. |
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