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A 50 Hz synchronous generator is supplying 60% of its maximum power to an infinite bus through a reactive network. Due to a certain fault, the reactance of the network between the generator internal voltage and the infinite bus is increased four times. After the fault is cleared, 80% of maximum power can be transferred. Attya am 2020-21 Ayma tty

A 50 Hz synchronous generator is supplying 60% of its maximum power to an infinite bus through a reactive network. Due to a certain fault, the reactance of the network between the generator internal voltage and the infinite bus is increased four times. After the fault is cleared, 80% of maximum power can be transferred. Attya am 2020-21 Ayma tty

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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A 50 Hz synchronous generator is supplying 60% of its maximum power to an infinite bus through a reactive network. Due to a certain fault, the reactance of the network between the generator internal voltage and the infinite bus is increased four times. After the fault is cleared, 80% of maximum power can be transferred. Attya Attya Attya (a) Sketch the mechanical power versus power angle curves, in the same figure, undery the different operation conditions, and annotate all the key points on the curves. Ayman Attya Ayman Attya (b) Calculate the power angle before which the fault should be cleared to avoid generator instability. NIE2294 ex NIE2294 ex 2020
Transcribed Image Text:A 50 Hz synchronous generator is supplying 60% of its maximum power to an infinite bus through a reactive network. Due to a certain fault, the reactance of the network between the generator internal voltage and the infinite bus is increased four times. After the fault is cleared, 80% of maximum power can be transferred. Attya Attya Attya (a) Sketch the mechanical power versus power angle curves, in the same figure, undery the different operation conditions, and annotate all the key points on the curves. Ayman Attya Ayman Attya (b) Calculate the power angle before which the fault should be cleared to avoid generator instability. NIE2294 ex NIE2294 ex 2020
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