An aluminum transmission line is to be replaced by copper having the same total resistance. If the cross-sectional area of the aluminum wire is 820 MCM, what would be the cross-sectional area of the copper wire ? Given: Resistivity of aluminum = 17 Q2-CM per ft, Resistivity of copper = 10.37 02-CM per ft (ANS≈ 500 ???)

An aluminum transmission line is to be replaced by copper having the same total resistance. If the cross-sectional area of the aluminum wire is 820 MCM, what would be the cross-sectional area of the copper wire ? Given: Resistivity of aluminum = 17 Q2-CM per ft, Resistivity of copper = 10.37 02-CM per ft (ANS≈ 500 ???)

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 4.3P: A transmission-line cable with a length of 2 km consists of 19 strands of identical copper...

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A transmission-line cable with a length of 2 km consists of 19 strands of identical copper conductors, each 1.5 mm in diameter. Because of the twist of the strands, the actual length of each conductor is increased by 5. Determine the resistance of the cable if the resistivity of copper is 1.72-cm at 20C.
An aluminum transmission line is to be replaced by copper having the same total resistance. If thecross-sectional area of the aluminum wire is 820 MCM, what would be the cross-sectional area of thecopper wire ? Given : Resistivity of aluminum = 17 Ω-CM per ft,Resistivity of copper = 10.37 Ω-CM per ft ( ANS ≈ 500 ??? )
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