P 8.1 Find the regulation and efficiency of an 80-km, 3-phase, 50-c/s transmission line delivering 24,000 kVA at a power factor of 0.8 lagging and 66kV to a balanced load. The conductors are of copper, each having resistance 0.12 ohm per km, 1.5 c, outside diameter, spaced equilaterally 2.5m between centers. Neglect leakance and use the nominal-r method.

P 8.1 Find the regulation and efficiency of an 80-km, 3-phase, 50-c/s transmission line delivering 24,000 kVA at a power factor of 0.8 lagging and 66kV to a balanced load. The conductors are of copper, each having resistance 0.12 ohm per km, 1.5 c, outside diameter, spaced equilaterally 2.5m between centers. Neglect leakance and use the nominal-r method.

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 4.29MCQ

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