A 13.5kV, 18.2MVA, 0.9 power factor lagging, 50HZ, 2-pole, Y-connected synchronous generator has a synchronous reactance of 2 2 per phase and a negligible armature resistance. The combined core and mechanical losses are 1MW for all load conditions. The synchronous generator is driven by a gas turbine that can supply a maximum of 20MW. The generator is connected to a balanced Y-connected load with an impedance of 2525°Q per phase. Under this condition: (a) Draw and label the per-phase equivalent circuit of the synchronous generator with the load. Calculate the per-phase internal generated voltage when the load is connected to the rated terminal voltage. (b) Determine if the synchronous generator can safely supply the power to this load by drawing the capability curve and checking all the power and current limits.
A 13.5kV, 18.2MVA, 0.9 power factor lagging, 50HZ, 2-pole, Y-connected synchronous generator has a synchronous reactance of 2 2 per phase and a negligible armature resistance. The combined core and mechanical losses are 1MW for all load conditions. The synchronous generator is driven by a gas turbine that can supply a maximum of 20MW. The generator is connected to a balanced Y-connected load with an impedance of 2525°Q per phase. Under this condition: (a) Draw and label the per-phase equivalent circuit of the synchronous generator with the load. Calculate the per-phase internal generated voltage when the load is connected to the rated terminal voltage. (b) Determine if the synchronous generator can safely supply the power to this load by drawing the capability curve and checking all the power and current limits.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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