MECHANICAL DESIGN AND MANUFACTURING OF ELECTRIC MOTORS

MECHANICAL DESIGN AND MANUFACTURING OF ELECTRIC MOTORS

Pages: 987

Contents:

Preface (2nd Edition)

Preface (1st Edition)

Chapter 1 Introduction to Electric Motors …………………………………………………………………………1

1.1 History of Electric Machines ………………………………………………………………….2

1.2 Motor Design Characteristics ………………………………………………………………….3

1.2.1 Motor Torque …………………………………………………………………………….3

1.2.1.1 Static and Dynamic Torque …………………………………………..3

1.2.1.2 Motor Torque in Motor-Load System ……………………………..4

1.2.1.3 Continuous Torque ……………………………………………………….6

1.2.1.4 Peak Torque ………………………………………………………………..7

1.2.1.5 RMS Torque ………………………………………………………………..7

1.2.1.6 Stall Torque …………………………………………………………………8

.2.1.7 Cogging Torque and Reduction Methods ………………………..8

1.2.1.8 Torque Ripple……………………………………………………………. 13

1.2.2 Motor Speed …………………………………………………………………………… 14

1.2.2.1 Continuous Speed ……………………………………………………… 15

1.2.2.2 Peak Speed ……………………………………………………………….. 15

1.2.2.3 Speed Ripple …………………………………………………………….. 15

1.2.3 Torque Density ……………………………………………………………………….. 16

1.2.4 Motor Power and Power Factor …………………………………………………. 16

1.2.5 Torque–Speed Characteristics …………………………………………………… 17

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