The synchronous generator in Figure is initially operating in the steady-state when a permanent three-phase-to-ground bolted short circuit occurs on line 1-3 at bus 3. The fault is cleared by opening the circuit breakers at the ends of line 1-3 and line 2-3. These circuit breakers then remain open. The infinite bus receives 1.0 per unit real power at 0.95 p.f. lagging, H = 3MJ/MVA. Assume Pm remains constant throughout the disturbance. Determine whether stability is or is not maintained and determine the maximum power angle. B12 B21 X12 = 0,20 G XTR = 0.10 811 X = 0.30 00 F Vous = 1.0 822 = X13 0.10 X2 = 0.20 813

The synchronous generator in Figure is initially operating in the steady-state when a permanent three-phase-to-ground bolted short circuit occurs on line 1-3 at bus 3. The fault is cleared by opening the circuit breakers at the ends of line 1-3 and line 2-3. These circuit breakers then remain open. The infinite bus receives 1.0 per unit real power at 0.95 p.f. lagging, H = 3MJ/MVA. Assume Pm remains constant throughout the disturbance. Determine whether stability is or is not maintained and determine the maximum power angle. B12 B21 X12 = 0,20 G XTR = 0.10 811 X = 0.30 00 F Vous = 1.0 822 = X13 0.10 X2 = 0.20 813

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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