A load of 1100 kW at 0.85 power factor lagging is received at the end of a 3-phase line 30 km long. The resistance and reactance of conductor are 0.302 per km and 0.35 2 per km. C1 (a) If the receiving end line voltage is maintained at 12 kV. Calculate: i) Sending end voltage ii) Percentage regulation iii) Sending end power factor iv) Transmission efficiency

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 5.10P: The 500-kV, 60-Hz, three-phase line in Problems 4.20 and 4.41 has a 180-km length and delivers 1600...
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A load of 1100 kW at 0.85 power factor lagging is received at the end of a 3-phase line 30
km long. The resistance and reactance of conductor are 0.30 2 per km and 0.35 2 per km.
C1
(a)
If the receiving end line voltage is maintained at 12 kV.
Calculate:
i) Sending end voltage
ii) Percentage regulation
iii) Sending end power factor
iv) Transmission efficiency
Transcribed Image Text:A load of 1100 kW at 0.85 power factor lagging is received at the end of a 3-phase line 30 km long. The resistance and reactance of conductor are 0.30 2 per km and 0.35 2 per km. C1 (a) If the receiving end line voltage is maintained at 12 kV. Calculate: i) Sending end voltage ii) Percentage regulation iii) Sending end power factor iv) Transmission efficiency
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