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Electric Motors and Drives
book

Electric Motors and Drives

by Austin Hughes
October 2013
Beginner to intermediate content levelBeginner to intermediate
316 pages
13h 14m
English
Newnes
Content preview from Electric Motors and Drives
CONTENTS
Preface xiii
1 ELECTRIC MOTORS 1
Introduction 1
Producing Rotation 2
Electromagnetic force 3
Magnetic flux and flux density 4
Force on a conductor 5
Magnetic Circuits 6
Magnetomotive force (MMF) 7
Electric circuit analogy and reluctance 8
The air-gap 10
Air-gap flux densities 11
Saturation 13
Magnetic circuits in motors 14
Torque Production 15
Magnitude of torque 16
Slotting 16
Specific Loadings and Specific Output 17
Specific loadings 17
Torque and motor volume 19
Specific output power - importance of speed 20
vi Contents
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Publisher Resources

ISBN: 9781483105277