Q2. For three-phase synchronous generator (90-MVA, 173.2-kV) has a synchronous reactance of 18 0/phase and a negligible armature resistance. a. Draw the synchronous machine equivalent circuit and label related parameters. b. If this generator is delivering rated power to an infinite bus bar with the 0.8 power factor lagging. Determine the magnitude of the generated emf per phase and the power angle 8. c. What is the maximum three-phase power that the generator can deliver before losing its synchronism if the generated emf is 30 kV per phase?

Q2. For three-phase synchronous generator (90-MVA, 173.2-kV) has a synchronous reactance of 18 0/phase and a negligible armature resistance. a. Draw the synchronous machine equivalent circuit and label related parameters. b. If this generator is delivering rated power to an infinite bus bar with the 0.8 power factor lagging. Determine the magnitude of the generated emf per phase and the power angle 8. c. What is the maximum three-phase power that the generator can deliver before losing its synchronism if the generated emf is 30 kV per phase?

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

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.3MCQ: The amplitude of the sinusoidal symmetrical ac component of the three-phase short-circuit current of...

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