Subject: Electric Circuit Analysis II 11.18 A three-phase A-connected generator has an inter-nal impedance of 9 + j90 m2/4. When the load isremoved from the generator, the magnitude of theterminal voltage is 13,800 V. The generator feeds aA-connected load through a transmission line withan impedance of 20 + j180 m/4. The per-phaseimpedance of the load is 7.056 + j3.417 N.a) Construct a single-phase equivalent circuit.b) Calculate the magnitude of the line current.c) Calculate the magnitude of the line voltage atthe terminals of the load.d) Calculate the magnitude of the line voltage atthe terminals of the source.e) Calculate the magnitude of the phase current inthe load.f) Calculate the magnitude of the phase current inthe source.

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11.18 A three-phase A-connected generator has an inter- nal impedance of 9 + j90 m2/¢. When the load is removed from the generator, the magnitude of the terminal voltage is 13,800 V. The generator feeds a A-connected load through a transmission line with an impedance of 20 + j180 m2/4. The per-phase impedance of the load is 7.056 + j3.417 0. 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.

11.18 A three-phase A-connected generator has an inter- nal impedance of 9 + j90 m2/¢. When the load is removed from the generator, the magnitude of the terminal voltage is 13,800 V. The generator feeds a A-connected load through a transmission line with an impedance of 20 + j180 m2/4. The per-phase impedance of the load is 7.056 + j3.417 0. 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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.32MCQ: While the instantaneous electric power delivered by a single-phase generator under balanced...

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