Question 1 :A syhronous genarator is IS connected to a large power system and supplying 0.45 pu MW of its marimum poicer capacity. A thre phase fault occurs and the dfective termina! voltage of the generator beomes 25% of its value before the fault. When the fault is eleared, generator is delivering 70% of the original maximum value. Determine the critical clearing angle.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Question 1:A syhronous genarator is
connected to a large power system and
supplying 0.45 pu MW of its marimum
poicer capacity. A thre phase fault
occurs and the dfective termina!
voltage of the generator beomes 25%
of its value before the fault. When the
fault is eleared, generator is delivering
70% of the original maximum value.
Determine the critical clearing angle.
10:38 AM
Transcribed Image Text:Question 1:A syhronous genarator is connected to a large power system and supplying 0.45 pu MW of its marimum poicer capacity. A thre phase fault occurs and the dfective termina! voltage of the generator beomes 25% of its value before the fault. When the fault is eleared, generator is delivering 70% of the original maximum value. Determine the critical clearing angle. 10:38 AM
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