Chapter 1 Introduction to Machinery Principles 1
1.1 Electrical Machines,Transformers,and Daily Life 1
1.2 Rotational Motion,Newton's Law,and Power Relationships 2
1.3 The Magnetic Field 8
1.4 Faraday's Law-Induced Voltage from a Time-Changing Magnetic Field 28
1.5 Production of Induced Force on a Wire 33
1.6 Induced Voltage on a Conductor Moving in a Magnetic Field 34
1.7 Real,Reactive,and Apparent Power in Single-Phase AC Circuits 36
1.8 Summary 42
Questions 43
Problems 43
References 47
Chapter 2 Transformers 48
2.1 Why Transformers Are Important to Modern Life 49
2.2 Types and Construction of Transformers 50
2.3 The Ideal Transformer 52
2.4 Theory of Operation of Real Single-Phase Transformers 61
2.5 The Equivalent Circuit of a Transformer 71
2.6 The Per-Unit System of Measurements 80
2.7 Transformer Voltage Regulation and Efficiency 85
2.8 Transformer Taps and Voltage Regulation 93
2.9 The Autotransformer 94
2.10 Three-Phase Transformers 101
2.11 Transformer Ratings and Related Problems 111
2.12 Instrument Transformers 117
2.13 Summary 119
Questions 120
Problems 121
References 123
Chapter 3 AC Machinery Fundamentals 125
3.1 A Simple Loop in a Uniform Magnetic Field 126
3.2 The Rotating Magnetic Field 134
3.3 Magnetomotive Force and Flux Distribution on AC Machines 143
3.4 Induced Voltage in AC Machines 146
3.5 Induced Torque in an AC Machine 152
3.6 Winding Insulation in an AC Machine 156
3.7 AC Machine Power Flows and Losses 157
3.8 Voltage Regulation and Speed Regulation 161
3.9 Summary 162
Questions 164
Problems 164
References 165
Chapter 4 Synchronous Generators and Motors 166
4.1 Synchronous Generator Construction 167
4.2 The Speed of Rotation of a Synchronous Generator 173
4.3 The Internal Generated Voltage of a Synchronous Generator 174
4.4 The Equivalent Circuit of a Synchronous Generator 175
4.5 The Phasor Diagram of a Synchronous Generator 180
4.6 Power and Torque in Synchronous Generators 183
4.7 Measuring Synchronous Generator Model Parameters 186
4.8 Synchronous Generator Ratings 192
4.9 Basic Principles of Motor Operation 202
4.10 Steady-State Synchronous Motor Operation 206
4.11 Starting Synchronous Motors 220
4.12 Synchronous Generators and Synchronous Motors 227
4.13 Synchronous Motor Ratings 229
4.14 Summary 230
Questions 232
Problems 232
References 238
Chapter 5 Induction Motors 239
5.1 Induction Motor Construction 241
5.2 Basic Induction Motor Concepts 243
5.3 The Equivalent Circuit of an Induction Motor 248
5.4 Power and Torque in Induction Motors 254
5.5 Induction Motor Torque-Speed Characteristics 262
5.6 Variations in Induction Motor Torque-Speed Characteristics 276
5.7 Trends in Induction Motor Design 285
5.8 Starting Induction Motors 289
5.9 Speed Control of Induction Motors 296
5.10 Solid-State Induction Motor Drives 305
5.11 Determining Circuit Model Parameters 313
5.12 The Induction Generator 321
5.13 Induction Motor Ratings 327
5.14 Summary 328
Questions 330
Problems 331
References 334
Chapter 6 DC Machinery Fundamentals 335
6.1 A Simple Rotating Loop between Curved Pole Faces 336
6.2 Commutation in a Simple Four-Loop DC Machine 347
6.3 Commutation and Armature Construction in Real DC Machines 352
6.4 Problems with Commutation in Real Machines 365
6.5 The Internal Generated Voltage and Induced Torque Equations of Real DC Machines 378
6.6 The Construction of DC Machines 382
6.7 Power Flow and Losses in DC Machines 388
6.8 Summary 391
Questions 391
Problems 392
References 392
Chapter 7 DC Motors and Generators 394
7.1 Introduction to DC Motors 395
7.2 The Equivalent Circuit of a DC Motor 397
7.3 The Magnetization Curve of a DC Machine 399
7.4 Separately Excited and Shunt DC Motors 400
7.5 The Permanent-Magnet DC Motor 420
7.6 The Series DC Motor 422
7.7 The Compounded DC Motor 428
7.8 DC Motor Starters 434
7.9 The Ward-Leonard System and Solid-State Speed Controllers 443
7.10 DC Motor Efficiency Calculations 453
7.11 Introduction to DC Generators 455
7.12 The Separately Excited Generator 458
7.13 The Shunt DC Generator 464
7.14 The Series DC Generator 470
7.15 Summary 473
Questions 474
Problems 474
References 478
Chapter 8 Single-Phase and Special-Purpose Motors 479
8.1 The Universal Motor 480
8.2 Introduction to Single-Phase Induction Motors 484
8.3 Starting Single-Phase Induction Motors 492
8.4 Speed Control of Single-Phase Induction Motors 503
8.5 The Circuit Model of a Single-Phase Induction Motor 505
8.6 Other Types of Motors 512
8.7 Summary 524
Questions 525
References 526
Appendix A Tables of Constants and Conversion Factors 527
Appendix B Glossary 528