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This paper analyzes the performance of grounding system that is made of copper conductors and significantly influenced by soil resistivity. The grounding performance is evaluated in terms of ground potential rise, touch voltage and step voltage caused by a short circuit that generates a flow of large currents in the aboveground structures and grounding system and dissipates in the soil. These currents...
More and more conventional grounding systems made of steel are being replaced with copper grounding systems in Asian countries. This paper analyzes the performance of grounding systems made of steel or copper conductors, taking into account the impedances of the ground conductors. A series of computer models simulate grounding systems of different sizes in various soil structures. Numerical results...
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