Therefore, you may think this hemisphere surface to be a thin conductor. There is not an influence electrically even if the point where potential is equal is connected with the lead mutually either. Therefore, the point on the hemisphere is thought that potential is all equal. The current that flows from the earth of the center diffuses to the earth in all directions when assuming the one with uniform anywhere electrical nature of the soil, and the point on the hemisphere is thought to be a flow of an equal anywhere current. OHM meter calculation, and respect on the hemisphere is made a ground level. The earth is given to a hemisphere center with pattern diagrams of a left earth Determined by calculating the resistivity of the soil from the ground resistance, grounding resistance and let's see what belongs to nature. Grounding resistance, is the resistance from the earth electrode to depths of the earth. Since this method is my own thought, I think it may be wrong somewhere. To assume a uniform soil, I tried to calculate the required ground resistance. However, the grounding resistance wanted to know whether there is any nature. The actual grounding resistance can not be easily calculated. â–¼Menu Calculation of ground resistance and concept of ground resistance
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