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Investigating the Effect of Several Model Configurations on the Transient Response of Gas-Insulated Substation during Fault Events Using an Electromagnetic Field Theory Approach

Author

Listed:
  • Muresan Alexandru

    (Department of Electrotechnics and Measurements, The Numerical Methods Research Laboratory (LCMN), Technical University of Cluj-Napoca, 400000 Cluj-Napoca, Romania)

  • Levente Czumbil

    (Department of Electrotechnics and Measurements, The Numerical Methods Research Laboratory (LCMN), Technical University of Cluj-Napoca, 400000 Cluj-Napoca, Romania)

  • Roberto Andolfato

    (SINT Srl, 36061 Bassano del Grappa, Veneto, Italy)

  • Hassan Nouri

    (Power Systems Research Laboratory, University of West England (UWE), Bristol BS16 1QY, UK)

  • Dan Doru Micu

    (Department of Electrotechnics and Measurements, The Numerical Methods Research Laboratory (LCMN), Technical University of Cluj-Napoca, 400000 Cluj-Napoca, Romania)

Abstract

Assessment of very fast transient overvoltage (VFTO) requires good knowledge of the behavior of gas-insulated substation when subjected to very high frequencies. The international standards and guidelines generically present only recommendations regarding the VFTO suppression without a technical and mathematical background. Therefore, to provide an accurate image regarding the critical locations across a gas-insulated substation (GIS) from a transient response point of view, a suitable modeling technique has to be identified and developed for the substation. The paper aimed to provide an accurate assessment of the GIS holistic transient response through an electromagnetic field theory (EMF) approach. This modeling technique has always been a difficult task when it came to gas-insulated substations. However, recent studies have shown that through suitable Computer-aided design models, representing the GIS metallic ensemble, accurate results can be obtained. The paper investigated several simplifications of the computational domain considering different gas-insulated substation configurations in order to identify a suitable modeling approach without any unnecessary computational effort. The analysis was performed by adopting the partial equivalent element circuit (PEEC) approach embedded into XGSLab software package. Obtained results could provide useful hints for grounding grid designers regarding the proper development and implementation of transient ground potential rise (TGPR) mitigation techniques across a gas-insulated substation.

Suggested Citation

  • Muresan Alexandru & Levente Czumbil & Roberto Andolfato & Hassan Nouri & Dan Doru Micu, 2020. "Investigating the Effect of Several Model Configurations on the Transient Response of Gas-Insulated Substation during Fault Events Using an Electromagnetic Field Theory Approach," Energies, MDPI, vol. 13(23), pages 1-19, November.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:23:p:6231-:d:452025
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    References listed on IDEAS

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    1. Jonathan James & Maurizio Albano & David Clark & Dongsheng Guo & Abderrahmane (Manu) Haddad, 2020. "Analysis of Very Fast Transients Using Black Box Macromodels in ATP-EMTP," Energies, MDPI, vol. 13(3), pages 1-17, February.
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    Cited by:

    1. Issouf Fofana & Stephan Brettschneider, 2022. "Outdoor Insulation and Gas-Insulated Switchgears," Energies, MDPI, vol. 15(21), pages 1-7, November.

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