The following parameters are based on a preliminary line design: Vs = 1.0 per unit, VR = 0.9 per unit, A-500 km, Zc = 320 Ω

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 4.39MCQ: Considering two parallel three-phase circuits that are close together, when calculating the...
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The following parameters are based on a preliminary line design:
Vs = 1.0 per unit, VR = 0.9 per unit, λ=500 km, Zc = 320 Ω
8 = 36.8°. A three-phase power of 900 MW is to be transmitted to a
substation located 315 km from the source of power.
9
(a) (
) Determine a nominal voltage level for the three-phase
line, based on the practical line-loadability equation.
transmission
For the voltage level obtained in (a), determine the
G
theoretical maximum power that can be transferred by the line.
(b)
Transcribed Image Text:The following parameters are based on a preliminary line design: Vs = 1.0 per unit, VR = 0.9 per unit, λ=500 km, Zc = 320 Ω 8 = 36.8°. A three-phase power of 900 MW is to be transmitted to a substation located 315 km from the source of power. 9 (a) ( ) Determine a nominal voltage level for the three-phase line, based on the practical line-loadability equation. transmission For the voltage level obtained in (a), determine the G theoretical maximum power that can be transferred by the line. (b)
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