An overhead 3-phase transmission line delivers 1200 kW at 22 kV at 0.8 power factor lagging. The length of the line is 25 km. The resistance and reactance of conductor are 0.25 2 per km and 0.30 2 per km. Determine, i) Sending end voltage ii) Percentage regulation iii) Sending end power factor iv) Transmission efficiency

An overhead 3-phase transmission line delivers 1200 kW at 22 kV at 0.8 power factor lagging. The length of the line is 25 km. The resistance and reactance of conductor are 0.25 2 per km and 0.30 2 per km. Determine, 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 5.25P

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