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A 50 Hz synchronous generator is supplying 60% of its maximum power to an infinite bus through...

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Electrical Engineering

A50 Hz synchronous generator is supplying 60% of its maximum powerto an infinite bus through a reactive network. Due to a certainfault, the reactance of the network between the generator internalvoltage and the infinite bus is increased four times. After thefault is cleared, 80% of maximum power can be transferred
Sketch the mechanical power vs. power angle curves, in thesame figure, under the different operation conditions, and annotateall the key points on the curves
Calculate the power angle before which the fault shouldbecleared to avoid the generator instability

A50 Hz synchronous generator is supplying 60% of its maximum powerto an infinite bus through a reactive network. Due to a certainfault, the reactance of the network between the generator internalvoltage and the infinite bus is increased four times. After thefault is cleared, 80% of maximum power can be transferred
Sketch the mechanical power vs. power angle curves, in thesame figure, under the different operation conditions, and annotateall the key points on the curves
Calculate the power angle before which the fault shouldbecleared to avoid the generator instability

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