A single circuit, 60 Hz, three phase transmission line is "" long. The line is connected to a load of 30 MVA at a lagging power factor of 0.85 at 138 kv. The line constants are given as r = 0.1 A/km, L=2 mH/km, c = 0.01 µF/km. If t-200km, using nominal TT circuit representation calculate: The A,B,C and D constant of the line. Sending-end voltage. Sending-end current. Sending-end power factor. Sending end power. Transmission line efficiency. Percentage of voltage regulation.

A single circuit, 60 Hz, three phase transmission line is "" long. The line is connected to a load of 30 MVA at a lagging power factor of 0.85 at 138 kv. The line constants are given as r = 0.1 A/km, L=2 mH/km, c = 0.01 µF/km. If t-200km, using nominal TT circuit representation calculate: The A,B,C and D constant of the line. Sending-end voltage. Sending-end current. Sending-end power factor. Sending end power. Transmission line efficiency. Percentage of voltage regulation.

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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