2. A four-pole de machine with a lap wound armature has a total of 652 armature conductors with an armature resistance of 0.150. When run as a generator on open circuit at a speed of 400rpm, the armature terminal voltage is 262V. Each pole shoe arc has a diameter of 42cm, subtends an angle of 60° and has an axial length of 20cm. 2.1.Calculate the useful flux per-pole. 2.2.Calculate the air-gap flux density. 2.3.Calculate the armature terminal voltage if the generator supplies a load with a current of 20A.

2. A four-pole de machine with a lap wound armature has a total of 652 armature conductors with an armature resistance of 0.150. When run as a generator on open circuit at a speed of 400rpm, the armature terminal voltage is 262V. Each pole shoe arc has a diameter of 42cm, subtends an angle of 60° and has an axial length of 20cm. 2.1.Calculate the useful flux per-pole. 2.2.Calculate the air-gap flux density. 2.3.Calculate the armature terminal voltage if the generator supplies a load with a current of 20A.

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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