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06 A two pole synchronous generator rated 110 MVA 12.5 kV; 50 Hz has an inertia constant of 5.5 MJ/MVA. Determine the stored energy in the rotor at synchronous speed. b) a) When the generator is supplying a load of 75 MW, the input is increased by 10 MW. Determine the rotor acceleration, neglecting losses. c) If the rotor acceleration in (b) is maintained for 8 cycles, find the change in the torque angle at the end of 8 cycles.

06 A two pole synchronous generator rated 110 MVA 12.5 kV; 50 Hz has an inertia constant of 5.5 MJ/MVA. Determine the stored energy in the rotor at synchronous speed. b) a) When the generator is supplying a load of 75 MW, the input is increased by 10 MW. Determine the rotor acceleration, neglecting losses. c) If the rotor acceleration in (b) is maintained for 8 cycles, find the change in the torque angle at the end of 8 cycles.

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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06 A two pole synchronous generator rated 110 MVA 12.5 kV; 50 Hz has an inertia constant of 5.5 MJ/MVA. a) Determine the stored energy in the rotor at synchronous speed. When the generator is supplying a load of 75 MW, the input is increased by 10 MW. Determine the rotor acceleration, neglecting losses. c) b) If the rotor acceleration in (b) is maintained for 8 cycles, find the change in the torque angle at the end of 8 cycles.
Transcribed Image Text:06 A two pole synchronous generator rated 110 MVA 12.5 kV; 50 Hz has an inertia constant of 5.5 MJ/MVA. a) Determine the stored energy in the rotor at synchronous speed. When the generator is supplying a load of 75 MW, the input is increased by 10 MW. Determine the rotor acceleration, neglecting losses. c) b) If the rotor acceleration in (b) is maintained for 8 cycles, find the change in the torque angle at the end of 8 cycles.
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