(b) A 480 V, 100 kW, 50 Hz, four-pole, Y-connected synchronous motor has a rated power factor of 0.85 leading. At full load, the efficiency is 91 percent. The armature resistance is 0.08 2, and the synchronous reactance is 1.0 2. Assume this machine is operating at full load. (i) Calculate the input power and output torque. (ii) Calculate the mechanical speed, Nm. 2 CONFIDENTIAL ONFIDENTIAL BEJ 20403 (ii) Find the internal generated voltage, EA and the armature current, |Ia|.

(b) A 480 V, 100 kW, 50 Hz, four-pole, Y-connected synchronous motor has a rated power factor of 0.85 leading. At full load, the efficiency is 91 percent. The armature resistance is 0.08 2, and the synchronous reactance is 1.0 2. Assume this machine is operating at full load. (i) Calculate the input power and output torque. (ii) Calculate the mechanical speed, Nm. 2 CONFIDENTIAL ONFIDENTIAL BEJ 20403 (ii) Find the internal generated voltage, EA and the armature current, |Ia|.

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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