Problem 2 A 208 V, 45 kVA, 0.8 PF leading, A – connected, 60 Hz synchronous machine has a synchronous reactance of 2. 5 n and a negligible armature resistance. Its friction and windage losses are 1.5 kW and its core losses are 1.0 kW. The shaft is supplying a 15 hp load and the motor's power factor is 0.80 leading. a. Compute the maximum input power. b. Compute the values of I, I, and E, A' A

Problem 2 A 208 V, 45 kVA, 0.8 PF leading, A – connected, 60 Hz synchronous machine has a synchronous reactance of 2. 5 n and a negligible armature resistance. Its friction and windage losses are 1.5 kW and its core losses are 1.0 kW. The shaft is supplying a 15 hp load and the motor's power factor is 0.80 leading. a. Compute the maximum input power. b. Compute the values of I, I, and E, A' A

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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Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

Problem 2
A 208 V, 45 kVA, 0.8 PF leading, A - connected, 60 Hz synchronous machine has a synchronous
reactance of 2. 5 0 and a negligible armature resistance. Its friction and windage losses are 1.5 kW and its
core losses are 1.0 kW. The shaft is supplying a 15 hp load and the motor's power factor is 0.80 leading.
a. Compute the maximum input power.
b. Compute the values of I, I, and E
A'
A

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