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A three phase, 50 Hz, 4800V, 6 pole Y-connected synchronous generator connected to an infinite bus (constant voltage at 4800V) and has synchronous reactance of 200 per phase and negligible armature resistance. The generator is delivering 1 MW at a power angle of 30° . Calculate the following 1. Output torque of the generator 2. Excitation voltage E. 3. Armature current 4. Power factor 5. Reactive power delivered.

A three phase, 50 Hz, 4800V, 6 pole Y-connected synchronous generator connected to an infinite bus (constant voltage at 4800V) and has synchronous reactance of 200 per phase and negligible armature resistance. The generator is delivering 1 MW at a power angle of 30° . Calculate the following 1. Output torque of the generator 2. Excitation voltage E. 3. Armature current 4. Power factor 5. Reactive power delivered.

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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I need help on parts 4 and 5. Also, i am confused on computing the output torque.

A three phase, 50 Hz, 4800V, 6 pole Y-connected synchronous generator connected to an infinite bus (constant voltage at 4800V) and has synchronous reactance of 202 per phase and negligible armature resistance. The generator is delivering 1 MW at a power angle of 30° . Calculate the following 1. Output torque of the generator 2. Excitation voltage E. 3. Armature current 4. Power factor 5. Reactive power delivered.
Transcribed Image Text:A three phase, 50 Hz, 4800V, 6 pole Y-connected synchronous generator connected to an infinite bus (constant voltage at 4800V) and has synchronous reactance of 202 per phase and negligible armature resistance. The generator is delivering 1 MW at a power angle of 30° . Calculate the following 1. Output torque of the generator 2. Excitation voltage E. 3. Armature current 4. Power factor 5. Reactive power delivered.
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