Design and Optimization of Substation Grounding Grid for Ensuring the Safety of Personnel and Equipment

Md. Shawkat Hossain; Raju Ahmed; Shahzad Hossain

doi:http://dx.doi.org/10.26855/jepes.2021.08.001

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Article Open Access http://dx.doi.org/10.26855/jepes.2021.08.001

Design and Optimization of Substation Grounding Grid for Ensuring the Safety of Personnel and Equipment

Md. Shawkat Hossain^1,2,*, Raju Ahmed¹, Shahzad Hossain³

¹Department of Electrical and Electronic Engineering, Dhaka University of Engineering & Technology (DUET), Gazipur 1707, Bangladesh.

²Department of Electrical, Electronic & Communication Engineering, Military Institute of Science and Technology (MIST), Mirpur Cantonment, Dhaka 1216, Bangladesh.

³Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, GPO Box No. 3787, Dhaka 1000, Bangladesh.

*Corresponding author: Md. Shawkat Hossain

Published: August 18,2021

Abstract

Appropriate design of a substation grounding grid keeping in view of safety of equipment and personnel working area in or walking close to the substation is of great importance. Several steps are involved to design and developed a safe, effective and optimized grounding grid. IEEE Standard 80-2000 explains the terminologies, definitions, formulas and act as an important guide for substation grounding grid design. To date a number of substations grounding grid design intelligent software have already been developed by engineers of many commercial enterprises which takes well care of safety, reliability, continuity of services and optimization of the design. Such a software, e.g., Electrical Transient Analyzer Program (ETAP) has been utilized in this study which has achieved optimization in substation grounding grid design ensuring safety of personnel and equipment. The study utilized the Finite Element Method (FEM) of Ground Grid System (GGS) module of ETAP in combination with Sverak’s variable space technique and showcased that 63.88% copper saving of ground rods could be achieved in comparison with a reference study of substation grounding grid. The method thus has become a very effective tool in substation grounding grid optimization.

References

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How to cite this paper

Design and Optimization of Substation Grounding Grid for Ensuring the Safety of Personnel and Equipment

How to cite this paper: Md. Shawkat Hossain, Raju Ahmed, Shahzad Hossain. (2021) Design and Optimization of Substation Grounding Grid for Ensuring the Safety of Personnel and Equipment. Journal of Electrical Power & Energy Systems, 5(1), 71-80.

DOI: http://dx.doi.org/10.26855/jepes.2021.08.001

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