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A two pole, A-connected, 60Hz, three-phase synchronous generator has an induced voltage E₁ = 14.5kV. The synchronous reactance of this generator is 50 and the 16.8kV for one phase. The phase voltage is Vo = armature resistance can be ignored. (a) When the torque angle of the generator is = 20°, how much power is being supplied by this generator? (b) What is the power factor of the generator with the torque angle of 8 = 20° (c) Sketch the phasor diagram under the above conditions (d) Ignoring all the losses in this generator, how much torque must be applied to the shaft by its prime mover under the above conditions

A two pole, A-connected, 60Hz, three-phase synchronous generator has an induced voltage E₁ = 14.5kV. The synchronous reactance of this generator is 50 and the 16.8kV for one phase. The phase voltage is Vo = armature resistance can be ignored. (a) When the torque angle of the generator is = 20°, how much power is being supplied by this generator? (b) What is the power factor of the generator with the torque angle of 8 = 20° (c) Sketch the phasor diagram under the above conditions (d) Ignoring all the losses in this generator, how much torque must be applied to the shaft by its prime mover under the above conditions

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 two pole, A-connected, 60Hz, three-phase synchronous generator has an induced voltage ₁ = 16.8kV for one phase. The phase voltage is Vo = 14.5kV. The synchronous reactance of this generator is 50 and the armature resistance can be ignored. (a) When the torque angle of the generator is 8 = 20°, how much power is being supplied by this generator? (b) What is the power factor of the generator with the torque angle of 8 = 20° (c) Sketch the phasor diagram under the above conditions (d) Ignoring all the losses in this generator, how much torque must be applied to the shaft by its prime mover under the above conditions
Transcribed Image Text:A two pole, A-connected, 60Hz, three-phase synchronous generator has an induced voltage ₁ = 16.8kV for one phase. The phase voltage is Vo = 14.5kV. The synchronous reactance of this generator is 50 and the armature resistance can be ignored. (a) When the torque angle of the generator is 8 = 20°, how much power is being supplied by this generator? (b) What is the power factor of the generator with the torque angle of 8 = 20° (c) Sketch the phasor diagram under the above conditions (d) Ignoring all the losses in this generator, how much torque must be applied to the shaft by its prime mover under the above conditions
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