A 735 kV, 300 km, balanced 3-phase lossless line. The line has the following series-impedance and shunt-admittance, x = 0.2 Ωkm b = 4x10 S/km If the rated line voltage is applied to the sending end of the line, determine: a) The values of the line parameters A, B, C and D. b) The receiving end complex power and power factor if the sending

A 735 kV, 300 km, balanced 3-phase lossless line. The line has the following series-impedance and shunt-admittance, x = 0.2 Ωkm b = 4x10 S/km If the rated line voltage is applied to the sending end of the line, determine: a) The values of the line parameters A, B, C and D. b) The receiving end complex power and power factor if the sending

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 5.64P

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A three-phase power of 460 MW is transmitted to a substation located 500 km from the source of power. With VS=1. per unit, VR=0.9 per unit, =5000 km, Zc=500, and =36.87, determine a nominal voltage level for the lossless transmission line based on Eq. (5.4.29) of the text. Using this result, find the theoretical three-phase maximum power that can be transferred by the lossless transmission line.
If the per-phase line loss in a 70-km-long transmission line is not to exceed 65 kW while it is delivering 100 A per phase, compute the required conductor diameter if the resistivity of the conductor material is 1.72108-m.
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