A three-phase A-connected generator has an inter- nal impedance of 0.6 + j4.8 N/4. When the load is removed from the generator, the magnitude of the terminal voltage is 34,500 V. The generator feeds a A-connected load through a transmission line with an impedance of 0.8 + j6.4 N/4. The per-phase impedance of the load is 2877 – j864 N. a) Construct a single-phase equivalent circuit. b) Calculate the magnitude of the line current. c) Calculate the magnitude of the line voltage at the terminals of the load. d) Calculate the magnitude of the line voltage at the terminals of the source. e) Calculate the magnitude of the phase current in the load. f) Calculate the magnitude of the phase current in the source.

A three-phase A-connected generator has an inter- nal impedance of 0.6 + j4.8 N/4. When the load is removed from the generator, the magnitude of the terminal voltage is 34,500 V. The generator feeds a A-connected load through a transmission line with an impedance of 0.8 + j6.4 N/4. The per-phase impedance of the load is 2877 – j864 N. a) Construct a single-phase equivalent circuit. b) Calculate the magnitude of the line current. c) Calculate the magnitude of the line voltage at the terminals of the load. d) Calculate the magnitude of the line voltage at the terminals of the source. e) Calculate the magnitude of the phase current in the load. f) Calculate the magnitude of the phase current in the source.

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.61P

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