The generating unit in Problem 11.1 is initially operating at Pmp.u. = Pep.u. Pep.u. = 0.7 per unit, w = Wsyn, and 8 = 12° when a fault reduces the generator electrical power output by 60%. Determine the power angle five cycles after the fault commences. Assume that the accelerating power remains constant during the fault. Also assume that wp.u. (t) = 1.0 in the swing equation.

The generating unit in Problem 11.1 is initially operating at Pmp.u. = Pep.u. Pep.u. = 0.7 per unit, w = Wsyn, and 8 = 12° when a fault reduces the generator electrical power output by 60%. Determine the power angle five cycles after the fault commences. Assume that the accelerating power remains constant during the fault. Also assume that wp.u. (t) = 1.0 in the swing equation.

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

Chapter9: Unsymmetrical Faults

Section: Chapter Questions

Problem 9.13P: Consider the oneline diagram of a simple power system shown in Figure 9.20. System data in per-unit...

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