A 275 kV, 50 Hz, 65 km transmission line has a series impedance of 0.12 + j0.5 O/km. By neglecting the shunt element of the transmission line: (i) Determine the sending-end voltage and sending-end current, if the line is connected to a load of 80 MW with 0.92 lagging power factor at 95% of the rated voltage at the receiving-end. (ii) Determine the efficiency of the transmission line in Q2(b)(i).

A 275 kV, 50 Hz, 65 km transmission line has a series impedance of 0.12 + j0.5 O/km. By neglecting the shunt element of the transmission line: (i) Determine the sending-end voltage and sending-end current, if the line is connected to a load of 80 MW with 0.92 lagging power factor at 95% of the rated voltage at the receiving-end. (ii) Determine the efficiency of the transmission line in Q2(b)(i).

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 5.36P

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