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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.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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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.
Transcribed Image Text: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.
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