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What is Grounding Grid Calculation for Substation about?

The document presents the calculation to design a grounding grid for a substation. Initially, a square grid with 12x12 electrodes is proposed, which does not meet the maximum impedance criteria. Then, a larger grid of 16x16 electrodes is proposed, which does meet the criteria, having an impedance of 0.5 ohms. Finally, it is verified that the induced voltage in the grid complies with the step and touch voltage limits.

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ScribdTranslations

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EN