A 5 MVA, 3-phase, 14.1-KV, 0.85-PF- lagging, 50-Hz, 4-pole, Y-connected steam-turbine generator has a synchronous reactance of 10 per- phase, and a negligible armature resistance. This generator is connected to operate in parallel with a large power system (infinite bus). The generator is operating at constant field current with EA = 8.0 KV and & = 30 °. Find the new torque angle ô to increase the output power by 100 % . Select one: a. Snew = 80.2° b. 6new = 60° c. Snew = 90° O d. None A 5 MVA, 3-phase, 14.1-KV, 0.85-PF-lagging, 50-Hz, 4-pole, Y-connectedsteam-turbine generator has asynchronous reactance of 10 per-phase, and a negligible armatureresistance. This generator isconnected to operate in parallel with alarge power system (infinite bus).The generator is operating at constantfield current with EA = 8.0 KV and & =30 °.Find the new torque angle ô toincrease the output power by 100 % .Select one:a. Snew = 80.2°b. 6new = 60°c. Snew = 90°O d. None

In this question we need to find a new torque angle where output is increased by 100 %

Answered: 5 MVA, 3-phase, 14.1-KV, 0.85-PF-…

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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A 5 MVA, 3-phase, 14.1-KV, 0.85-PF- lagging, 50-Hz, 4-pole, Y-connected steam-turbine generator has a synchronous reactance of 10 per- phase, and a negligible armature resistance. This generator is connected to operate in parallel with a large power system (infinite bus). The generator is operating at constant field current with EA = 8.0 KV and & = 30 °. Find the new torque angle ô to increase the output power by 100 % . Select one: a. Snew = 80.2° b. 6new = 60° c. Snew = 90° O d. None

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