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Research on the Physical Reproduction Method of Single-phase Grounding Fault in 10 kV Distribution Network Based on Digital Mirroring

Yin, Hui ; Zheng, Ge ; Wang, Shizhe ; Chen, Peng ; Wu, Yan ; Gao, Wenpeng

Journal of physics. Conference series, 2023-12, Vol.2659 (1), p.12018 [Periódico revisado por pares]

Bristol: IOP Publishing

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  • Título:
    Research on the Physical Reproduction Method of Single-phase Grounding Fault in 10 kV Distribution Network Based on Digital Mirroring
  • Autor: Yin, Hui ; Zheng, Ge ; Wang, Shizhe ; Chen, Peng ; Wu, Yan ; Gao, Wenpeng
  • Assuntos: Physics
  • É parte de: Journal of physics. Conference series, 2023-12, Vol.2659 (1), p.12018
  • Descrição: Abstract It is necessary to construct a physical reproduction environment that conforms to the actual working conditions of single-phase grounding faults in 10 kV distribution networks, to effectively verify the single-phase grounding fault disposal capability of distribution automation equipment. In this article, a physical reproduction method of a single-phase ground fault in distribution networks based on digital mirroring is proposed. A digitized mirror model of a single-phase ground fault of a 10 kV distribution network is constructed. The system architecture for equivalent physical reproduction of single-phase grounding fault characterization is designed. Then the solutions to the critical technical problems in the realization are proposed. The reproduced single-phase ground fault signal was applied in the functional verification work of the first and second fusion distribution equipment. The experimental results show that the single-phase grounding fault in the 10 kV distribution network reproduced by this method comprehensively verifies the correct rate of the equipment for the single-phase ground fault disposal as well as the ability to prevent false action. Moreover, the reasons for the failure of the equipment s single-phase grounding fault disposal function were discovered.
  • Editor: Bristol: IOP Publishing
  • Idioma: Inglês
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