An overhead three phase transmission line delivers 357762 W at 16578V at 0.8 pf lagging. The resistance and reactance of each conductor is 50 and 110 respectively. Consider the sending voltage is 22kv. Determine. a) Percentage of regulation and b) Percentage of Transmission efficiency Current Line Josses Percentage of Transmission efficiency Percentage of Voltage regulation

An overhead three phase transmission line delivers 357762 W at 16578V at 0.8 pf lagging. The resistance and reactance of each conductor is 50 and 110 respectively. Consider the sending voltage is 22kv. Determine. a) Percentage of regulation and b) Percentage of Transmission efficiency Current Line Josses Percentage of Transmission 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 5.11P: A 40-km, 220-kV, 60-Hz, three-phase overhead transmission line has a per-phase resistance of...

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A 40-km, 220-kV, 60-Hz, three-phase overhead transmission line has a per-phase resistance of 0.15/km, a per-phase inductance of 1.3263 mH/km, and negligible shunt capacitance. Using the short line model, find the sending-end voltage, voltage regulation, sending-end power, and transmission line efficiency when the line is supplying a three-phase load of (a) 381 MVA at 0.8 power factor lagging and at 220 kV and (b) 381 MVA at 0.8 power factor leading and at 220 kV.
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