Field measurements on earthing systems of different soil resistivity values under high impulse conditions

Field measurements on earthing systems of different soil resistivity values under high impulse... In a previously published work, performances of three practical earthing systems consists of 2, 3 and 4 rod-bed electrodes buried at the same site, thus the same soil resistivity were investigated. It was found that the degree of reduction of the earth resistance values is the highest in the poor earthing systems (2 rod electrodes). The non-linearity effect or the reduction of earth resistance values as the currents were increased was also observed in previous study. However, in that study, the effects of the soil resistivity on the performance of earthing systems were not observed. This paper is a continuation of previously published paper where the detailed investigations of the soil ionisation in earthing systems under high impulse conditions for different soil resistivity values are presented. Similar configurations of earthing systems of 2, 3 and 4 rod-bed as in were used in each site, and combined grid-multiple rods where the results have been presented before were used for the purpose of comparison. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Electrical Engineering (Archiv fur Elektrotechnik) Springer Journals

Field measurements on earthing systems of different soil resistivity values under high impulse conditions

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2016 by Springer-Verlag Berlin Heidelberg
Subject
Engineering; Electrical Engineering; Power Electronics, Electrical Machines and Networks; Energy Economics
ISSN
0948-7921
eISSN
1432-0487
D.O.I.
10.1007/s00202-016-0469-z
Publisher site
See Article on Publisher Site

Abstract

In a previously published work, performances of three practical earthing systems consists of 2, 3 and 4 rod-bed electrodes buried at the same site, thus the same soil resistivity were investigated. It was found that the degree of reduction of the earth resistance values is the highest in the poor earthing systems (2 rod electrodes). The non-linearity effect or the reduction of earth resistance values as the currents were increased was also observed in previous study. However, in that study, the effects of the soil resistivity on the performance of earthing systems were not observed. This paper is a continuation of previously published paper where the detailed investigations of the soil ionisation in earthing systems under high impulse conditions for different soil resistivity values are presented. Similar configurations of earthing systems of 2, 3 and 4 rod-bed as in were used in each site, and combined grid-multiple rods where the results have been presented before were used for the purpose of comparison.

Journal

Electrical Engineering (Archiv fur Elektrotechnik)Springer Journals

Published: Nov 5, 2016

References

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