A 3-phase, 765 kV, 60Hz, 500 km completely transposed overhead transmission line (OHTL) has the following impedance and admittance: • z = 0.25/30° 2/km 4 × 106/90° S/km • Y = Find the following: 1. The propagation constant. (1 pt) 2. The surge impedance. (1 pt) 3. The load power (in MW) that must be connected to the receiving-end of the line in order to get a receiving-end voltage equal to the sending-end voltage. (1 pt) 4. The ABCD parameters. (4.5 pts)

A 3-phase, 765 kV, 60Hz, 500 km completely transposed overhead transmission line (OHTL) has the following impedance and admittance: • z = 0.25/30° 2/km 4 × 106/90° S/km • Y = Find the following: 1. The propagation constant. (1 pt) 2. The surge impedance. (1 pt) 3. The load power (in MW) that must be connected to the receiving-end of the line in order to get a receiving-end voltage equal to the sending-end voltage. (1 pt) 4. The ABCD parameters. (4.5 pts)

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 4.10MCQ: Transmission line conductance is usually neglected in power system studies. True False

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