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

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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.

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Acknowledgements

The authors wish to thank Telekom Malaysia Research and Development (TMR&D) for their financial support in this project, with project number of MMUE 130160.

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Authors and Affiliations

  1. Faculty of Engineering, Multimedia University, Jalan Multimedia, 63100, Cyberjaya, Selangor, Malaysia

    S. Abdullah, N. Mohamad Nor & K. Ramar

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  1. S. Abdullah
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  2. N. Mohamad Nor
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  3. K. Ramar
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Correspondence to N. Mohamad Nor.

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Abdullah, S., Nor, N.M. & Ramar, K. Field measurements on earthing systems of different soil resistivity values under high impulse conditions. Electr Eng 99, 1005–1011 (2017). https://doi.org/10.1007/s00202-016-0469-z

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  • DOI: https://doi.org/10.1007/s00202-016-0469-z

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