Problem 3. A 22-kV, three-phase transmission line is 16 km long. The line has a per phase impedance of 0.125 + j0.475 /km. The transmission line is delivering 70 MVA, 0.8 power factor lagging at 64 kV. a) Draw the equivalent circuit; b) Determine the parameter of two-port network model; c) Determine the voltage, current at the sending end; d) Determine the voltage regulation and the transmission efficiency.

Problem 3. A 22-kV, three-phase transmission line is 16 km long. The line has a per phase impedance of 0.125 + j0.475 /km. The transmission line is delivering 70 MVA, 0.8 power factor lagging at 64 kV. a) Draw the equivalent circuit; b) Determine the parameter of two-port network model; c) Determine the voltage, current at the sending end; d) Determine the voltage regulation and the transmission efficiency.

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 5.2P: A 200-km, 230-kV, 60-Hz, three-phase line has a positive-sequence series impedance z=0.08+j0.48/km...

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