Question

Determine the best current density in A/mm2
for a 3-φ overhead line if the line is in use for 2000 hours
per year and if the conductor costing Rs 3·0 per kg has a specific resistance of 1·73 Ω m and weighs 6200
kg/m3
. Cost of energy is 10 P/unit. Interest and depreciation is 12% of conductor cost

Answer 1

Step-by-step explanation:

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