Evaluation of grounding grid's effective area

Farhan Bin Hanaffi, F and Siew, Wah Hoon and Timoshkin, Igor and LU, Hailiang and Wang, Yu and Lei, Lan and Wen, Xishan; (2014) Evaluation of grounding grid's effective area. In: 2014 IEEE International Conference on Lightning Protection (ICLP). IEEE, Piscataway, New Jersey. (In Press)

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Abstract

Grounding grid performance when subject to lightning current are different when compared to power frequency environment. Various computer models have been developed to understand transient grounding performance. The models led to the introduction of an "effective area" concept. It is an important concept as the parameter is used to optimize grounding-grid design. Several approaches and numerical equations are proposed by previous researchers to estimate the effective area. Each equation defines the grounding impedance at the injection point. In this paper, transient ground potential rise (TGPR) alongside the grounding grid is used to evaluate the empirical equations proposed by previous researchers. Simulations are based on the electromagnetic approach and the governing equations are solved using the Finite element method (FEM). Different soil resistivity and impulse front times were considered in the simulations.

ORCID iDs

Farhan Bin Hanaffi, F ORCID: https://orcid.org/0000-0002-4069-5893

Siew, Wah Hoon ORCID: https://orcid.org/0000-0003-4000-6856

Timoshkin, Igor ORCID: https://orcid.org/0000-0002-0380-9003

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  Item type:	Book Section
  ID code:	49240
  Dates:	Date Event 2014 Published 2014 Accepted
  Notes:	(c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	15 Sep 2014 13:09
  Last modified:	12 Dec 2024 01:07
  Related URLs:	Event
  URI:	https://strathprints.strath.ac.uk/id/eprint/49240