Effect of Impulse Polarity on a New Grounding Device with Spike Rods (GDSR)
| Autor: | Normiza Mohamad Nor, Abdul Wali Abdul Ali, Nurul Nadia Ahmad |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Control and Optimization
Materials science 020209 energy Acoustics earthing systems electrode geometry fast-impulses high-magnitude currents and impulse polarity Energy Engineering and Power Technology 02 engineering and technology Impulse (physics) lcsh:Technology 01 natural sciences Rod Grounding electrodes 0103 physical sciences 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering Engineering (miscellaneous) 010302 applied physics lcsh:T Renewable Energy Sustainability and the Environment Ground Significant difference Soil resistivity Earthing system Electrode Energy (miscellaneous) |
| Zdroj: | Energies, Vol 13, Iss 4672, p 4672 (2020) Energies; Volume 13; Issue 18; Pages: 4672 |
| ISSN: | 1996-1073 |
| DOI: | 10.3390/en13184672 |
| Popis: | The characterizations of grounding systems subjected to high impulse conditions are known to be dependent on the polarity, current to peak time and discharge time, as well as the electrical properties of the soil, and the grounding electrodes themselves. It is therefore important to investigate the behavior of grounding systems under high impulse conditions under negative impulse polarity, and compare it with positive impulse polarity results. Experimental test results for the same grounding systems installed with various earth electrodes at several sites under positive impulse polarity have previously been presented. In comparison, this paper presents the results of negative impulse polarity injected on the same grounding systems. It is found that a significant difference between positive and negative impulse polarities is observed for the grounding systems installed at high soil resistivity. |
| Databáze: | OpenAIRE |
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