Q4. A 3-phase, 60 Hz, 500-kV transmission line is 300 km long. The line inductance is 0.97 mH/km per phase and its capacitance is 0.0115µF/km per phase. Assume a lossless line. (i) Determine the line phase constant B, the surge impedance Z, velocity of propagation v and the line wavelength A. (ii) The receiving end rated load is 800 MW, 0.8 power factor lagging at 500 kV. Determine the sending end quantities and the voltage regulation. (iii) Calculate the receiving end voltage when line is terminated in an open circuit and is energized with 500 kV at the sending end.

Q4. A 3-phase, 60 Hz, 500-kV transmission line is 300 km long. The line inductance is 0.97 mH/km per phase and its capacitance is 0.0115µF/km per phase. Assume a lossless line. (i) Determine the line phase constant B, the surge impedance Z, velocity of propagation v and the line wavelength A. (ii) The receiving end rated load is 800 MW, 0.8 power factor lagging at 500 kV. Determine the sending end quantities and the voltage regulation. (iii) Calculate the receiving end voltage when line is terminated in an open circuit and is energized with 500 kV at the sending end.

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 5.31P: A 500-kV, 300-km, 6()-Hz, three-phase overhead transmission line, assumed to be lossless, has a...

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