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Study of electrostatic field effect in a three-phase gas-insulated busduct with FGM spacer under the effect of protrusion

Author

Listed:
  • Janaki Pakalapati
  • Karthick Nagaraj
  • Gundavarapu Venkata Nagesh Kumar

Abstract

Recently, the defects in Gas-Insulated Busduct (GIB) affect the electric field distribution badly over the spacer length and de-energies the GIB leading to huge loss economically. In this paper, a post type spacer with Functionally Graded Material (FGM) has been designed for a three-phase GIB under protrusion and further electric field stress is minimized by inserting metal inserts. Functionally graded materials are spatially distributed with several filler materials by doping them with different permittivity values to achieve uniform electric field stress. Simulation is carried out with the designed spacer for different voltages and also for different types of FGM gradings. The protrusion effect on the electric field stress is studied with different sizes and the results obtained are presented and analyzed.

Suggested Citation

  • Janaki Pakalapati & Karthick Nagaraj & Gundavarapu Venkata Nagesh Kumar, 2020. "Study of electrostatic field effect in a three-phase gas-insulated busduct with FGM spacer under the effect of protrusion," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 34(16), pages 2107-2129, November.
    • Handle: RePEc:taf:tewaxx:v:34:y:2020:i:16:p:2107-2129
    DOI: 10.1080/09205071.2020.1809019
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