Electrical Energy Systems (Electric Power Engineering Series)

Header......Page 1
Cover......Page 2
Table of Contents......Page 6
Preface......Page 9
1.1 - A Brief History of Electric Power Systems......Page 11
1.2 - The Structure of the Power System......Page 13
1.3 - Outline of the Text......Page 17
2.2 - Concepts of Power in Alternating Current Systems......Page 18
2.3 - Three-Phase Systems......Page 23
2.4 - The Per Unit System......Page 33
2.5 - Electromagnetism and Electromechanical Energy Conversion......Page 36
2.6 - Permeability......Page 39
2.7 - Flux Linkages, Induced Voltages, Inductance, and Energy......Page 42
2.8 - Hysteresis Loop......Page 45
2.9 - Eddy Current and Core Losses......Page 46
2.10 - Energy Flow Approach......Page 49
2.11 - Multiply Excited Systems......Page 53
2.12 - Doubly Excited Systems......Page 54
2.13 - Salient-Pole Machines......Page 56
2.14 - Round or Smooth Air-Gap Machines......Page 58
2.15 - Machine-Type Classification......Page 61
2.16 - P-Pole Machines......Page 63
2.17 - Power System Representation......Page 67
Problems......Page 68
3.2 - The Synchronous Machine: Preliminaries......Page 77
3.3 - Synchronous Machine Fields......Page 80
3.4 - A Simple Equivalent Circuit......Page 82
3.5 - Principal Steady-State Characteristics......Page 85
3.6 - Power-Angle Characteristics and the Infinite Bus Concept......Page 87
3.7 - Accounting for Saliency......Page 95
3.8 - Salient-Pole Machine Power Angle Characteristics......Page 99
Problems......Page 101
4.2 - General Theory of Transformer Operation......Page 105
4.3 - Transformer Connections......Page 119
Problems......Page 129
5.2 - Electric Transmission Line Parameters......Page 133
5.3 - Line Inductance......Page 135
5.4 - Line Capacitance......Page 153
5.5 - Two-Port Networks......Page 169
5.6 - Transmission Line Models......Page 171
Problems......Page 187
6.2 - Three-Phase Induction Motors......Page 192
6.3 - Torque Relations......Page 200
6.4 - Classification of Induction Motors......Page 205
6.5 - Rotating Magnetic Fields in Single-Phase Induction Motors......Page 206
6.6 - Equivalent Circuits for Single-Phase Induction Motors......Page 211
6.7 - Power and Torque Relations......Page 217
6.8 - Starting Single-Phase Induction Motors......Page 223
6.9 - Single-Phase Induction Motor Types......Page 225
Problems......Page 232
7.1 - Introduction......Page 237
7.2 - Transients During a Balanced Fault......Page 238
7.3 - The Method of Symmetrical Components......Page 240
7.4 - Sequence Networks......Page 245
7.5 - Line-to-Ground Fault......Page 261
7.6 - Double Line-to-Ground Fault......Page 264
7.7 - Line-to-Line Fault......Page 268
7.8 - The Balanced Three-Phase Fault......Page 270
7.9 - System Protection, an Introduction......Page 271
7.10 - Protective Relays......Page 273
7.11 - Transformer Protection......Page 276
7.12 - Transmission Line Protection......Page 282
7.13 - Impedance-Based Protection Principles......Page 289
7.14 - Computer Relaying......Page 297
Problems......Page 299
8.1 - Introduction......Page 304
8.2 - Overview of EMS Functions......Page 306
8.3 - Power Flow Control......Page 314
8.4 - Power Flow......Page 318
8.5 - Stability Considerations......Page 331
8.6 - Power System State Estimation......Page 339
8.7 - Power System Security......Page 343
8.8 - Contingency Analysis......Page 348
8.9 - Optimal Preventive and Corrective Actions......Page 353
8.10 - Dynamic Security Analysis......Page 360
References......Page 365