A three-phase transmission line is designed to deliver 190.5 MVA at 220 kV over a distance of 63 km. The total transmission line loss is not to exceed 2.5 percent of the rated line MVA. If the resistivity of the conductor material is 2.84 × 10-8 Q- m, determine the required conductor diameter and the conductor size in circular mils.

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 4.18P: A 230-kV, 60-Hz, three-phase completely transposed overhead line has one ACSR 954 kcmil conductor...
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A three-phase transmission line is designed to deliver 190.5 MVA at 220 kV over
a distance of 63 km. The total transmission line loss is not to exceed 2.5 percent
of the rated line MVA. If the resistivity of the conductor material is 2.84 x 10-8 Q-
m, determine the required conductor diameter and the conductor size in
circular mils.
Transcribed Image Text:A three-phase transmission line is designed to deliver 190.5 MVA at 220 kV over a distance of 63 km. The total transmission line loss is not to exceed 2.5 percent of the rated line MVA. If the resistivity of the conductor material is 2.84 x 10-8 Q- m, determine the required conductor diameter and the conductor size in circular mils.
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