Simulation of HFCT PD detection in MV bus bar chamber

Mijodrag Miljanovic, Martin Kearns, Brian G. Stewart

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Abstract

A simulation investigation is conducted for high frequency current transformers (HFCT) partial discharge (PD) detection on a grounding conductor in a medium voltage (MV) switchgear compartment. A three-dimensional (3-D) bus bar chamber of an air insulated MV metal clad switchgear including PD sources and grounding position is developed using Comsol Multiphysics. The PD sources are placed at different locations in the chamber and the sensitivity of the HFCT signal is investigated depending of different position of the bus bar chamber grounding. The current induced by PD in the grounding conductor is provided as input to the HFCT sensor. Throughout the simulation it can be seen that there is an influence on the sensitivity of the HFCT signal depending on the grounding position. The analysis helps also to inform the nature of HFCT signals related to different PD locations and grounding wire positions which will help to refine and understand better HFCT measurements for condition monitoring within such systems.

Original languageEnglish
Title of host publication2022 IEEE Electrical Insulation Conference, EIC 2022
Place of PublicationPiscataway, NJ.
PublisherIEEE
Pages162-165
Number of pages4
ISBN (Electronic)9781665480239
ISBN (Print)9781665480246
DOIs
Publication statusPublished - 19 Jun 2022
Event40th IEEE Electrical Insulation Conference 2022 - Knoxville Convention Center, Knoxville, United States
Duration: 19 Jun 202223 Jun 2022
https://ieee-eic.org/

Publication series

Name2022 IEEE Electrical Insulation Conference, EIC 2022

Conference

Conference40th IEEE Electrical Insulation Conference 2022
Abbreviated titleEIC 2022
Country/TerritoryUnited States
CityKnoxville
Period19/06/2223/06/22
Internet address

Keywords

  • bus bar chamber
  • partial discharge
  • high frequency current transformer
  • finite element method
  • grounding conductor

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  • Simulation of PD RF EM wave propagation in different MV bus bar compartment configurations

    Miljanović, M., Kearns, M. & Stewart, B. G., 21 Jun 2024, 23rd International Symposium on High Voltage Engineering (ISH 2023). 46 ed. Piscataway, NJ: IEEE, Vol. 2023. p. 692-698 7 p. (IET Conference Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution book

    Open Access
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    8 Downloads (Pure)
  • Simulation of PD RF propagation in MV bus bar chambers

    Miljanovic, M., Kearns, M. & Stewart, B. G., 1 Feb 2024, 2023 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP). IEEE, p. 1-4 4 p. (2023 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution book

    Open Access
    File
  • Temperature distribution simulation in an MV switchgear bus bar chamber

    Miljanovic, M., Kearns, M. & Stewart, B. G., 30 Oct 2022, p. 1-4. 4 p.

    Research output: Contribution to conferencePaperpeer-review

    Open Access
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