Investigations on the Performance of a New Grounding Device with Spike Rods under High Magnitude Current Conditions

Abdul Wali Abdul Ali, Nurul Nadia Ahmad, Normiza Mohamad Nor, Muhd Shahirad Reffin and Syarifah Amanina Syed Abdullah
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Abdul Wali Abdul Ali: Faculty of Engineering, Multimedia University, Cyberjaya 63100, Malaysia
Nurul Nadia Ahmad: Faculty of Engineering, Multimedia University, Cyberjaya 63100, Malaysia
Normiza Mohamad Nor: Faculty of Engineering, Multimedia University, Cyberjaya 63100, Malaysia
Muhd Shahirad Reffin: Faculty of Engineering, Multimedia University, Cyberjaya 63100, Malaysia
Syarifah Amanina Syed Abdullah: Faculty of Engineering, Multimedia University, Cyberjaya 63100, Malaysia

Energies, 2019, vol. 12, issue 6, 1-18

Abstract: In many publications, the characteristics of practical earthing systems were investigated under conditions involving fast-impulse currents of different magnitudes by field measurements. However, as generally known, in practice the transient current can normally reach several tens of kiloamperes. This paper therefore aimed to investigate the characteristics of a new electrode for grounding systems under high current magnitude conditions, and compare it with steady-state test results. The earth electrodes were installed in low resistivity test media, so that high impulse current magnitudes can be achieved. The effects of impulse polarity and earth electrode’s geometry of a new earth electrode were also quantified under high impulse conditions, at high currents (up to 16 kA).

Keywords: earthing systems; electrode’s geometry; fast-impulses; high-magnitude currents and impulse polarity (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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