The cost of a single phase cable is (20000A+2400) per Km where A is the area of the cable in cm2. If the line current is 250 A and it is assumed to be constant throughout the year. The cost of energy is 5 p per kWh. The total interest and depreciation is 10% per year. Find the most economical size of the cable in cm if the specific resistance of conductor material is 1.73×10-6 Ωcm

The cost of a single phase cable is (20000A+2400) per Km where A is the area of the cable in cm2. If the line current is 250 A and it is assumed to be constant throughout the year. The cost of energy is 5 p per kWh. The total interest and depreciation is 10% per year. Find the most economical size of the cable in cm if the specific resistance of conductor material is 1.73×10-6 Ωcm

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.1P: The Aluminum Electrical Conductor Handbook lists a dc resistance of 0.01558 ohm per 1000 ft at 20C...

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