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How can we calculate earth mat conductor size ..? & give
the formula to determine earth conductor size?
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Answer Posted / zan
Several variable factors are involved in the
design of earthing mat conductor.Therefore, earthing mat
for each substation has to designed individually usually.
The earthing mat has to be designed for the site conditions
to have a low overall impedance and a current carrying
capacity consistent with the fault current magnitude. The
parameter listed below influence the design of earthing mat:
• Magnitude of fault current;
• Duration of fault;
• Soil resistivity .
• Resistivity of surface material;
• Shock duration;
• Material of earthing mat conductor and
• Earthing mat geometry.
| Is This Answer Correct ? | 7 Yes | 1 No |
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