Electric Motors and Drives (eBook)
352 Seiten
Elsevier Science (Verlag)
978-0-08-050515-2 (ISBN)
* First edition (1990) has sold over 6000 copies.
Drives and Controls on the first edition: 'This book is very readable, up-to-date and should be extremely useful to both users and o.e.m. designers. I unhesitatingly recommend it to any busy engineer who needs to make informed judgements about selecting the right drive system.'
New features of the second edition: * New section on the cycloconverter drive. * More on switched relectance motor drives. * More on vector-controlled induction motor drives. * More on power switching devices. * New 'question and answer' sections on common problems and misconceptions. * Updating throughout. Electric Motors and Drives is for non-specialist users of electric motors and drives. It fills the gap between specialist textbooks (which are pitched at a level which is too academic for the average user) and the more prosaic 'handbooks' which are filled with useful detail but provide little opportunity for the development of any real insight or understanding. The book explores most of the widely-used modern types of motor and drive, including conventional and brushless d.c., induction motors (mains and inverter-fed), stepping motors, synchronous motors (mains and converter-fed) and reluctance motors.
Written for non-specialist users of electric motors and drives, this book explains how electric drives work and compares the performance of the main systems, with many examples of applications. The author's approach - using a minimum of mathematics - has made this book equally popular as an outline for professionals and an introductory student text. * First edition (1990) has sold over 6000 copies. Drives and Controls on the first edition: 'This book is very readable, up-to-date and should be extremely useful to both users and o.e.m. designers. I unhesitatingly recommend it to any busy engineer who needs to make informed judgements about selecting the right drive system.' New features of the second edition: * New section on the cycloconverter drive. * More on switched relectance motor drives. * More on vector-controlled induction motor drives. * More on power switching devices. * New 'question and answer' sections on common problems and misconceptions. * Updating throughout. Electric Motors and Drives is for non-specialist users of electric motors and drives. It fills the gap between specialist textbooks (which are pitched at a level which is too academic for the average user) and the more prosaic 'handbooks' which are filled with useful detail but provide little opportunity for the development of any real insight or understanding. The book explores most of the widely-used modern types of motor and drive, including conventional and brushless d.c., induction motors (mains and inverter-fed), stepping motors, synchronous motors (mains and converter-fed) and reluctance motors.
Front Cover 1
Electric Motors and Drives: Fundamentals, Types and Applications 4
Copyright Page 5
Table of Contents 6
Preface 16
CHAPTER 1. ELECTRIC MOTORS 20
Introduction 20
Producing rotation 21
Magnetic Circuits 25
Torque Production 34
Specific Loadings and Specific Output 37
Motional EMF 41
General Properties of Electric Motors 53
Questions Arising 57
CHAPTER 2. POWER ELECTRONIC CONVERTERS FOR MOTOR DRIVES 60
Introduction 60
Voltage Control - D.C. Output from D.C. Supply 62
D.C. from A.C. - controlled rectification 70
A.C. from D.C. - inversion 80
Inverter Switching Devices 86
Converter Waveforms and Acoustic Noise 89
Cooling of Power Switching Devices 91
Questions Arising 95
CHAPTER 3. CONVENTIONAL D.C. MOTORS 99
Introduction 99
Torque Production 101
D.C. Motor - Steady-state characteristics 112
Transient Behaviour - Current Surges 120
Shunt, Series and Compound Motors 121
Four-quadrant Operation and Regenerative Braking 131
Questions Arising 136
CHAPTER 4. D.C. MOTOR DRIVES 140
Introduction 140
Thyristor D.C. Drives 140
Control Arrangements for D.C. Drives 152
Chopper-fed D.C. Motor Drives 159
Developments in Industrial D.C. Drives 161
D.C. Servo Drives 163
Questions Arising 168
CHAPTER 5. INDUCTION MOTORS-ROTATING FIELD, SLIP AND TORQUE 171
Introduction 171
The Rotating Magnetic Field 173
Torque Production 188
Influence of Rotor Current on Flux 198
Stator Current-speed Characteristics 200
Questions Arising 202
CHAPTER 6. OPERATING CHARACTERISTICS OF INDUCTION MOTORS 206
Methods of Starting Cage Motors 206
Run-up and Stable Operating Regions 213
Torque-Speed Curves - Influence of Rotor Parameters 217
Influence of Supply Voltage on Torque-Speed Curve 224
Generating and Braking 226
Speed Control 231
Power-factor Control and Energy Optimisation 235
Single-phase Induction Motors 237
Questions Arising 242
CHAPTER 7. INVERTER-FED INDUCTION MOTOR DRIVES 247
Introduction 247
Torque-Speed Characteristics - Constant V/f Operation 254
Control Arrangements for Inverter-fed Drives 260
Vector (Field-oriented) Control 264
Cycloconverter Drives 268
Questions Arising 273
CHAPTER 8. STEPPING MOTOR SYSTEMS 276
Introduction 276
Principle of Motor Operation 283
Motor Characteristics 288
Drive Circuits and Steady-state Characteristics 295
Transient Performance 305
Questions Arising 309
CHAPTER 9. SYNCHRONOUS, SWITCHED RELUCTANCE AND BRUSHLESS D.C. DRIVES 312
Introduction 312
Synchronous Motors 312
Controlled-speed Synchronous Motor Drives 320
Switched Reluctance Motor Drives 326
Brushless D.C. Motors 329
Questions Arising 331
CHAPTER 10. MOTOR/DRIVE SELECTION 335
Introduction 335
Power Range for Motors and Drives 336
Load Requirements - Torque-Speed Characteristics 338
General Application Considerations 343
Questions Arising 347
Further reading 350
Index 352
Erscheint lt. Verlag | 22.10.2013 |
---|---|
Sprache | englisch |
Themenwelt | Technik ► Bauwesen |
Technik ► Elektrotechnik / Energietechnik | |
Technik ► Maschinenbau | |
ISBN-10 | 0-08-050515-5 / 0080505155 |
ISBN-13 | 978-0-08-050515-2 / 9780080505152 |
Haben Sie eine Frage zum Produkt? |
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