5. A 3-phase overhead transmission line has the following constants: Resistance/phase = 102 Inductive reactance/phase = 35 2 Capacitive admittance/phase 3 x 10 siemen If the line supplied a balanced load of 40,000 kVA at 110 kV and 0-8 p.f. lagging, calculate : () sending end power factor (ii) pereentage regulation (i) transmission efficiency () 0-798 lag (ii) 10% (ii) 96-38%]

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
Chapter5: Transmission Lines: Steady-state Operation
Section: Chapter Questions
Problem 5.11P: A 40-km, 220-kV, 60-Hz, three-phase overhead transmission line has a per-phase resistance of...
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5. A 3-phase overhead transmission line has the following constants:
Resistance/phase = 102
Inductive reactance/phase 35 2
Capacitive admittance/phase 3 x 10 siemen
If the line supplied a balanced load of 40,000 kVA at 110 kV and 0-8 p.f. lagging, calculate :
() sending end power factor (ii) percentage regulation
(ii) transmission efficiency
I) 0-798 lag (ii) 10% (iii) 96-38%]
Transcribed Image Text:5. A 3-phase overhead transmission line has the following constants: Resistance/phase = 102 Inductive reactance/phase 35 2 Capacitive admittance/phase 3 x 10 siemen If the line supplied a balanced load of 40,000 kVA at 110 kV and 0-8 p.f. lagging, calculate : () sending end power factor (ii) percentage regulation (ii) transmission efficiency I) 0-798 lag (ii) 10% (iii) 96-38%]
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