1 Magnetic Circuits and Transformers 1
1-1 INTRODUCTION TO MAGNETIC CIRCUITS 2
1-2 FLUX LINKAGE，INDUCTANCE，AND ENERGY 9
1-3 PROPERTIES OF MAGNETIC MATERIALS 14
1-4 AC EXCITATION 17
1-5 INTRODUCTION TO TRANSFORMERS 24
1-6 NO-LOAD CONDITIONS 26
1-7 EFFECT OF SECONDARY CURRENT；IDEAL TRANSFORMER 30
1-8 TRANSFORMER REACTANCES AND EQUIVALENT CIRCUITS 33
1-9 ENGINEERING ASPECTS OF TRANSFORMER ANALYSIS 38
1-10 TRANSFORMERS IN THREE-PHASE CIRCUITS 48
1-11 THE PER UNIT SYSTEM 52
1-12 AUTOTRANSFORMERS；MULTICIRCUIT TRANSFORMERS 57
1-13 SUMMARY 60
PROBLEMS 62
2 Electromechanical Energy-Conversion Principles 71
2-1 FORCES AND TORQUES IN MAGNETIC FIELD SYSTEMS 72
2-2 ENERGY BALANCE 76
2-3 ENERGY AND FORCE IN SINGLY EXCITED MAGNETIC FIELD SYSTEMS 78
2-4 DETERMINATION OF MAGNETIC FORCE；COENERGY 83
2-5 MULTIPLE EXCITED MAGNETIC FIELD SYSTEMS 90
2-6 DYNAMIC EQUATIONS 94
2-7 ANALYTICAL TECHNIQUES 99
2-8 SUMMARY 104
PROBLEMS 105
3 Rotating Machines：Basic Concepts 117
3-1 ELEMENTARY CONCEPTS 117
3-2 INTRODUCTION TO AC AND DC MACHINES 120
3-3 MMF OF DISTRIBUTED WINDINGS 131
3-4 MAGNETIC FIELDS IN ROTATING MACHINERY 140
3-5 ROTATING MMF WAVES IN AC MACHINES 143
3-6 GENERATED VOLTAGE 150
3-7 TORQUE IN NON-SALIENT-POLE MACHINES 155
3-8 SUMMARY 165
PROBLEMS 167
4 Engineering Aspects of Practical Electric-Machine Performance 175
4-1 MAGNETIC SATURATION 175
4-2 LEAKAGE FLUXES 178
4-3 LOSSES 181
4-4 RATING AND HEATING 184
4-5 COOLING MEANS FOR ELECTRIC MACHINES 188
4-6 EXCITATION SOURCES 190
4-7 ENERGY EFFICIENCY OF ELECTRIC MACHINERY 193
4-8 THE NATURE OF MACHINERY PROBLEMS 194
4-9 SUMMARY 196
PROBLEMS 197
5 DC Machines：Steady State 201
5-1 INTRODUCTION TO DC MACHINES 201
5-2 COMMUTATOR ACTION 208
5-3 EFFECT OF ARMATURE MMF 211
5-4 ANALYTICAL FUNDAMENTALS：ELECTRIC-CIRCUIT ASPECTS 214
5-5 ANALYTICAL FUNDAMENTALS：MAGNETIC-CIRCUIT ASPECTS 217
5-6 ANALYSIS OF STEADY-STATE PERFORMANCE 221
5-7 COMMUTATION AND INTERPOLES 230
5-8 COMPENSATING WINDINGS 233
5-9 SUMMARY； DC MACHINE APPLICATIONS 235
PROBLEMS 237
6 DC Machine Dynamics and Control 247
6-1 DC MOTOR SPEED CONTROL 247
6-2 DYNAMIC EQUATIONS 251
6-3 TRANSFER FUNCTIONS AND BLOCK DIAGRAMS OF DC MACHINES 254
6-4 EFFECTS OF SATURATION：SELF-EXCITED GENERATORS 266
6-5 INTRODUCTION TO RECTIFIER CIRCUITS 270
6-6 SOLID-STATE DC MOTOR-DRIVE SYSTEMS 280
6-7 AN ELEMENTARY MOTOR-SPEED REGULATOR 290
6-8 METADYNES AND AMPLIDYNES 295
6-9 SUMMARY 298
PROBLEMS 299
7 Synchronous Machines：Steady State 311
7-1 INTRODUCTION TO POLYPHASE SYNCHRONOUS MACHINES 312
7-2 SYNCHRONOUS-MACHINE INDUCTANCES；EQUIVALENT CIRCUITS 314
7-3 OPEN- AND SHORT-CIRCUIT CHARACTERISTICS 320
7-4 STEADY-STATE POWER-ANGLE CHARACTERISTICS 328
7-5 STEADY-STATE OPERATING CHARACTERISTICS 334
7-6 EFFECTS OF SALIENT POLES； INTRODUCTION TO DIRECT- AND QUADRATURE-AXIS THEORY 339
7-7 POWER-ANGLE CHARACTERISTICS OF SALIENT-POLE MACHINES 345
7-8 INTERCONNECTED SYNCHRONOUS GENERATORS 349
7-9 SUMMARY 351
PROBLEMS 352
8 Synchronous Machines：Transient Performance 361
8-1 SYNCHRONOUS-MACHINE TRANSIENTS 362
8-2 TRANSFORMATION TO DIRECT- AND QUADRATURE-AXIS VARIABLES 364
8-3 BASIC MACHINE RELATIONS IN dq0 VARIABLES 367
8-4 ANALYSIS OF A SUDDEN THREE-PHASE SHORT CIRCUIT 371
8-5 TRANSIENT POWER-ANGLE CHARACTERISTICS 379
8-6 EFFECTS OF ADDITIONAL ROTOR CIRCUITS 382
8-7 MODELS OF SYNCHRONOUS MACHINES FOR TRANSIENT ANALYSIS 386
8-8 SYNCHRONOUS-MACHINE DYNAMICS 390
8-9 SUMMARY 398
PROBLEMS 399
9 Polyphase Induction Machines 409
9-1 INTRODUCTION TO POLYPHASE INDUCTION MACHINES 409
9-2 CURRENTS AND FLUXES IN INDUCTION MACHINES 413
9-3 THE INDUCTION-MOTOR EQUIVALENT CIRCUIT 416
9-4 ANALYSIS OF THE EQUIVALENT CIRCUIT 420
9-5 TORQUE AND POWER BY USE OF THEVENIN’S THEOREM 424
9-6 PERFORMANCE CALCULATIONS FROM NO-LOAD AND BLOCKED-ROTOR TESTS 429
9-7 SUMMARY 435
PROBLEMS 436
10 Polyphase-Induction-Machine Dynamics and Control 443
10-1 EFFECTS OF ROTOR RESISTANCE；DOUBLE-SQUIRREL-CAGE ROTORS 444
10-2 INDUCTION-MACHINE DYNAMICS 452
10-3 SPEED CONTROL OF INDUCTION MOTORS 455
10-4 ELECTRICAL TRANSIENTS IN INDUCTION MACHINES 459
10-5 APPLICATION OF ADJUSTABLE-SPEED SOLID-STATE AC MOTOR DRIVES 463
10-6 SUMMARY 469
PROBLEMS 469
11 Fractional-Horsepower AC Motors 479
11-1 SINGLE-PHASE INDUCTION MOTORS：QUALITATIVE EXAMINATION 480
11-2 STARTING AND RUNNING PERFORMANCE OF SINGLE-PHASE INDUCTION AND SYNCHRONOUS MOTORS 483
11-3 REVOLVING-FIELD THEORY OF SINGLE-PHASE INDUCTION MOTORS 491
11-4 UNBALANCED OPERATION OF SYMMETRICAL TWO-PHASE MACHINES；THE SYMMETRICAL-COMPONENT CONCEPT 498
11-5 TWO-PHASE CONTROL MOTORS 503
11-6 SERIES UNIVERSAL MOTORS 507
11-7 STEPPER MOTORS 508
11-8 AC TACHOMETERS 512
11-9 SYNCHROS AND CONTROL TRANSFORMERS 514
11-10 SUMMARY 518
PROBLEMS 519
Appendix A Three-Phase Circuits 525
A-1 GENERATION OF THREE-PHASE VOLTAGES 526
A-2 THREE-PHASE VOLTAGES，CURRENTS，AND POWER 528
A-3 Y-AND Δ-CONNECTED CIRCUITS 532
A-4 ANALYSIS OF BALANCED THREE-PHASE CIRCUITS；SINGLE-LINE DIAGRAMS 539
A-5 OTHER POLYPHASE SYSTEMS 541
Appendix B Voltages，Magnetic Fields，and Inductances of Distributed AC Windings 543
B-1 GENERATED VOLTAGES 543
B-2 ARMATURE-MMF WAVES 550
B-3 AIR-GAP INDUCTANCES OF DISTRIBUTED WINDINGS 553
Appendix C Table of Constants and Conversion Factors for SI Units 557
Index 559