3) A 450 V, 50 HZ, Y-connected, six-pole synchronous generator is rated at 50 KVA at 0.8 lagging pf. It has a synchronous reactance of 1 2/phase. Assume that this generator is connected to a steam turbine capable of supplying up to 45 KW. The friction and winding losses are 1.5 KW and the core losses are 1 KW. a) What is the maximum output power available. Ab) Construct the capability curve for this generator. c) Can this generator supply a line current of 56 A at 0.7 lagging pf? Why or Why not?

3) A 450 V, 50 HZ, Y-connected, six-pole synchronous generator is rated at 50 KVA at 0.8 lagging pf. It has a synchronous reactance of 1 2/phase. Assume that this generator is connected to a steam turbine capable of supplying up to 45 KW. The friction and winding losses are 1.5 KW and the core losses are 1 KW. a) What is the maximum output power available. Ab) Construct the capability curve for this generator. c) Can this generator supply a line current of 56 A at 0.7 lagging pf? Why or Why not?

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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The shaft of a three-phase synchronous generator is rotating at 3000 RPM. This generator is inducing a torque of 100.0 N.m under a certain load. If the copper losses are neglected, and the sum Praw + Pcore + Pstray = 7854 Watt, find the efficiency of the generator under those conditions. Answer: The % efficiency is:
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