Title: A review paper on research advancement on analysis of substation grounding design

Authors: Avani Mistry; Kaustubh Vyas; Ravindrakumar Yadav

Addresses: Vishwakarma Government Engineering College, Chandkheda Ahmedabad – 380058, Gujarat, India ' Vishwakarma Government Engineering College, Chandkheda Ahmedabad – 380058, Gujarat, India ' Drs. Kiran & Pallavi Patel Global University, Vodadara, Gujarat, India

Abstract: For ensuring the safety of persons and equipment in substation, ground potential rise (GPR) should be within the acceptable limits, IEEE Standard 80-2013 is widely accepted guide for substation grounding system design. This review papers deals with the various grounding system parameters, their mathematical equations, designs of grounding system in the substation soil, design and development of software, evaluating the results obtained and methods for improving grounding safety by suggesting alternative measures. Various case studies have been taken into account to analyse the latest trends in this field. Softwares like ESGSD, CDEGS are designed for implementing concepts given in the IEEE 80-2013 guide into analytical domains to obtain grid design and calculating various parameters of the design. Detailed analysis of soil resistivity is also done in this paper. Thus, judiciously designed grounding system is cost effective and it also increases the level of safety of person-equipments to acceptable level.

Keywords: grounding; ground potential rise; GPR; touch potential; step potential; ground grid; soil resistivity.

DOI: 10.1504/IJPEC.2024.141866

International Journal of Power and Energy Conversion, 2024 Vol.15 No.4, pp.389 - 407

Received: 21 Nov 2023
Accepted: 07 Apr 2024
Published online: 02 Oct 2024 *

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