Question: A three-phase, 60-Hz, completely transposed 345-kV, 200-km line has line constants: z= (0,032+ j0,35) O/km y = j3,2 *10“ S/km Full load at the receiving end of the line is 700 MVA at 0.80 p.f. lagging and at 90% of rated voltage. Using nominal pi equivalent circuit and determine the following: a) Voltage, current, and power factor of sending-end. (75 pts) b) Percent voltage regulation. (25 pts)

Question: A three-phase, 60-Hz, completely transposed 345-kV, 200-km line has line constants: z= (0,032+ j0,35) O/km y = j3,2 *10“ S/km Full load at the receiving end of the line is 700 MVA at 0.80 p.f. lagging and at 90% of rated voltage. Using nominal pi equivalent circuit and determine the following: a) Voltage, current, and power factor of sending-end. (75 pts) b) Percent voltage regulation. (25 pts)

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 5.12P

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