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Transient Ground Potential Rise in Gas Insulated Substations and Analysis of Effective Factors

[+] Author Affiliations
Maziar Babaei, Sherif Abdelwahed

Mississippi State University, Starkville, MS

Mehdi Babaei

Faraniroo Co., Tehran, Iran

Paper No. POWER2015-49597, pp. V001T11A009; 9 pages
  • ASME 2015 Power Conference collocated with the ASME 2015 9th International Conference on Energy Sustainability, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum
  • ASME 2015 Power Conference
  • San Diego, California, USA, June 28–July 2, 2015
  • Conference Sponsors: Power Division
  • ISBN: 978-0-7918-5660-4
  • Copyright © 2015 by ASME


This study presents the way of implementation of transient modeling concepts which are fully analyzed in referred standards, for the purpose of evaluating the Transient Ground Potential Rise (TGPR). This is a phenomenon of 10–100kV voltages with up to 10μs duration on the grounded enclosure of Gas Insulated Substations (GIS), which may cause concern for personnel safety and problems for protection and control circuits. This paper summarizes the results of investigation for influential factors on TGPR such as different contingency conditions and grounding system models while the paper focuses on the TGPR study of “Siahbishe” 400kV gas insulated substation. The study was carried out by modeling all pieces of equipment in EMTP-RV and careful consideration of different modeling guidelines and instructions described in available standards.

Copyright © 2015 by ASME



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