Principles of electric machines with power electronic applications / Mohamed E. El-Hawary.
Material type:
TextSeries: IEEE Press series on power engineeringPiscataway, NJ : New Delhi : Wiley-Interscience, 2012Edition: 2nd edDescription: x, 483 p. : ill. ; 25 cmContent type: - text
- unmediated
- volume
- 9788126529339
- 621.31042 22 E.M.P
- TK2000 .E38115 2002
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Main library B2 | Faculty of Engineering & Technology (Electrical) | 621.31042 E.M.P (Browse shelf(Opens below)) | Available | 00012453 |
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| 621.31042 C.S.E Electric machinery and power system fundamentals / | 621.31042 C.S.E Electric machinery and power system fundamentals / | 621.31042 C.S.E Electric machinery fundamentals / | 621.31042 E.M.P Principles of electric machines with power electronic applications / | 621.31042 F.A.E Electric machinery / | 621.31042 F.A.P Problems and solutions on electric machinery / | 621.31042 G.G.T A text book of electrical machines : DC and AC machines / |
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Includes bibliographical references and index.
PREFACE ix
Chapter 1 INTRODUCTION 1
1.1 Electric Machines / 1
1.2 Roots in Observation / 2
1.3 Beginnings / 3
1.4 Foundations of Electromagnetism / 5
1.5 The Dawn of Electrodynamics / 7
1.6 Early Electric Generators / 9
1.7 Early Electric Motors / 10
1.8 Alternating Current / 11
1.9 Power Electronics: Scope and A Brief History /13
1.10 Structure of the Power System / 18
1.11 Outline of the Text / 21
Chapter 2 PRINCIPLES OF ELECTROMAGNETISM AND
ELECTROMECHANICAL ENERGY CONVERSION 23
2.1 Introduction / 23
2.2 Magnetic-Field Laws / 24
2.3 Permeability and Magnetic-Field Intensity / 31
2.4 Magnetic Circuits / 35
2.5 Flux Linkages, Induced Voltages, Inductance, and Energy / 50
2.6 Hysteresis Loop / 54
2.7 Eddy-Current and Core Losses / 59
2.8 Energy Flow Approach / 60
2.9 Field Energy / 64
2.10 Multiply Excited Systems / 69
2.11 Reluctance Motors / 72
2.12 Doubly Excited Systems / 75
2.13 Salient-Pole Machines / 77
2.14 Round or Smooth Air-Gap Machines / 80
2.15 Machine-Type Classification / 84
2.16 P-Pole Machines / 85 Problems / 89
Chapter 3 POWER ELECTRONIC DEVICES AND SYSTEMS 103
3.1 Introduction / 103
3.2 Power Semiconductor Devices / 103
3.3 Control Characteristics of Power Devices / 106
3.4 Power Semiconductor Diodes / 108
3.5 Power Transistors / 115
3.6 The Thyristors / 138
3.7 Power Electronic Systems / 175
3.8 Power Integrated Circuits and Smart Power / 178 Problems / 179
Chapter 4 DIRECT-CURRENT MOTORS 183
4.1 Introduction / 183
4.2 Construction Features / 184
4.3. Circuit Model of dc Generator / 185
4.4 Circuit Model of dc Motors / 187
4.5 dc Series Motors / 190 4.6 dc Shunt Motors / 203
4.7 Compound Motors / 212
4.8 Motor and Load Matching / 224
4.9 Conventional Speed Control of dc Motors / 224
4.10 Reversal of Direction of Rotation / 241
4.11 Starting dc Motors / 241
4.12 Adjustable Speed dc Motor Drives / 251
4.13 ac-dc Drives for dc Motors / 255
4.14 dc-dc Drives for dc Motors / 261 Problems / 265
Chapter 5 TRANSFORMERS 273
5.1 Introduction / 273
5.2 Ideal Transformers / 274
5.3 Transformer Models / 278
5.4 Transformer Performance Measures / 286
5.5 Single-Phase Connections / 292
5.6 Three-Winding Transformers / 296
5.7 Three-Phase Systems and Transformer Connections / 300
5.8 Autotransformers / 313 Problems / 316
Chapter 6 INDUCTION MOTORS AND THEIR CONTROL 323
6.1 Introduction / 323
6.2 MMF Waves and the Rotating Magnetic Field / 324
6.3 Slip / 329
6.4 Equivalent Circuits / 331
6.5 Simplified Equivalent Circuits / 334
6.6 Torque Characteristics / 338
6.7 Some Useful Relations / 341
6.8 Internal Mechanical Power / 344
6.9 Effects of Rotor Impedance / 348
6.10 Classification of Induction Motors / 351
6.11 Starting Induction Motors / 354
6.12 Conventional Speed Control of Induction Motors / 362
6.13 Adjustable Speed Drives: General Considerations / 370
6.14 Variable-Voltage-Constant-Frequency Drives / 372
6.15 Variable-Voltage-Variable-Frequency Drives / 376
6.16 dc-Link-Converter Drives / 381
6.17 Voltage-Fed Inverter Drives / 383
6.18 Current-Fed Inverter Drives / 385
6.19 Cycloconverter Drives / 386
6.20 Regulation of Slip Power / 387 Problems / 389
Chapter 7 SYNCHRONOUS MACHINES 397
7.1 Introduction / 397
7.2 Round-Rotor Machines: Equivalent Circuit / 401
7.3 Armature Reaction / 406
7.4 Principal Steady-State Characteristics / 410
7.5 Power Angle Characteristics and the Infinite-Bus Concept / 415
7.6 Synchronous-Motor Operation / 423
7.7 Salient-Pole Machines / 430 Problems / 437
Chapter 8 FRACTIONAL-HORSEPOWER ALTERNATING
CURRENT MOTORS 443
8.1 Introduction / 443
8.2 Rotating Magnetic Fields in Single-Phase Induction Motors / 443
8.3 Equivalent Circuits for Single-Phase Induction Motors / 448
8.4 Power and Torque Relations / 454
8.5 Starting Single-Phase Induction Motors / 459 Problems / 473
BIBLIOGRAPHY 475
INDEX 4
Introduction. Principles of electromagnetism and electromechanical energy conversion. Power electronic devices and systems. Direct-current motors. Transformers. Induction motors and their control. Synchronous machines. Fractional-horsepower alternating current motors.
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