Application of finite element method in calculation of large and complex grounding systems

Grounding systems have the most important role in safety of staff and substation equipment and therefore they require detailed analysis of relevant parameters. This paper discusses the possibility of application of software packages based on finite element method (FEM), when conducting analysis of g...

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Bibliographic Details
Main Authors: Mujezinovic, A., Muharemovic, A., Turkovic, I., Bajramovic, Zijad
Format: Conference Proceeding
Language:English
Subjects:
Conductivity
double-layered soil
Electric potential
finite element method (FEM)
Finite element methods
Grounding
grounding system
homogenious soil
Mathematical model
potential distribution
Resistance
Soil
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Summary:Grounding systems have the most important role in safety of staff and substation equipment and therefore they require detailed analysis of relevant parameters. This paper discusses the possibility of application of software packages based on finite element method (FEM), when conducting analysis of grounding systems. Firstly the paper describes a mathematical model with assumptions on which is based. Complex grounding grids buried in both single-layer and double-layer soil where analyzed. In order to verify the presented model, calculation results are compared with results of various analytical and numerical methods, as well as with measured results. Finally to show the practical application of this approach, an example of a real grounding grid is calculated.
DOI:10.1109/ICEPE.2012.6463852