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E-raamat: Introduction to Electrical Power Systems [Wiley Online]

(Dalhousie University)
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  • Wiley Online
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Introduction to Electrical Power SystemsSuurem pilt
Teised raamatud teemal:
Wiley Online e-raamatudRohkem infot Wiley Online kohta
Raamatu kodulehekülg: https://onlinelibrary.wiley.com/doi/book/10.1002/9780470411377
El-Hawary (engineering, Dalhousie U., Nova Scotia) has written this textbook on electrical power systems to inform students in computer and electrical engineering of recent advances in renewable energy sources, systems restoration and control methods and mechanisms. Beginning with the fundamentals of power generation, transmission, distribution and utilization, the author uses integrated MATLAB scripts to explore more complex issues such as power flow and control and systems applications. This book concludes with predictions on the future development of power delivery systems as well as current challenges such as blackouts. Annotation ©2009 Book News, Inc., Portland, OR (booknews.com)

Adapted from an updated version of the author's classic Electric Power System Design and Analysis, with new material designed for the undergraduate student and professionals new to Power Engineering. The growing importance of renewable energy sources, control methods and mechanisms, and system restoration has created a need for a concise, comprehensive text that covers the concepts associated with electric power and energy systems. Introduction to Electric Power Systems fills that need, providing an up-to-date introduction to this dynamic field. The author begins with a discussion of the modern electric power system, centering on the technical aspects of power generation, transmission, distribution, and utilization. After providing an overview of electric power and machine theory fundamentals, he offers a practical treatment-focused on applications-of the major topics required for a solid background in the field, including synchronous machines, transformers, and electric motors. He also furnishes a unique look at activities related to power systems, such as power flow and control, stability, state estimation, and security assessment. A discussion of present and future directions of the electrical energy field rounds out the text. With its broad, up-to-date coverage, emphasis on applications, and integrated MATLAB scripts, Introduction to Electric Power Systems provides an ideal, practical introduction to the field-perfect for self-study or short-course work for professionals in related disciplines.
Preface ix
Chapter 1 INTRODUCTION
1.1 A Brief History of Electric Power Systems
1
1.2 The Structure of the Power System
3
1.3 Outline of the Text
7
Chapter 2 BASICS OF ELECTRIC ENERGY SYSTEM THEORY
2.1 Introduction
9
2.2 Concepts of Power in Alternating Current Systems
9
2.3 Three-Phase Systems
15
2.4 The Per Unit System
25
2.5 Electromagnetism and Electromechanical Energy Conversion
28
2.6 Permeability and Magnetic Field Intensity
31
2.7 Flux Linkages, Induced Voltages, Inductance, and Energy
34
2.8 Hysteresis Loop
36
2.9 Eddy Current and Core Losses
38
2.10 Energy Flow Approach
40
2.11 Multiply Excited Systems
44
2.12 Doubly Excited Systems
46
2.13 Salient-Pole Machines
47
2.14 Round or Smooth Air-Gap Machines
50
2.15 Machine-Type Classification
52
2.16 P-Pole Machines
55
2.17 Power System Representation
59
Problems
59
Chapter 3 POWER GENERATION AND THE SYNCHRONOUS MACHINE
3.1 Introduction
69
3.2 The Synchronous Machine: Preliminaries
69
3.3 Synchronous Machine Fields
72
3.4 A Simple Equivalent Circuit
74
3.5 Principal Steady-State Characteristics
77
3.6 Power-Angle Characteristics and the Infinite Bus Concept
79
3.7 Accounting for Saliency
86
3.8 Salient-Pole Machine Power Angle Characteristics
91
Problems
93
Chapter 4 THE TRANSFORMER
4.1 Introduction
99
4.2 General Theory of Transformer Operation
99
4.3 Transformer Connections
113
Problems
123
Chapter 5 ELECTRIC POWER TRANSMISSION
5.1 Introduction
129
5.2 Electric Transmission Line Parameters
129
5.3 Line Inductance
131
5.4 Line Capacitance
149
5.5 Two-Port Networks
165
5.6 Transmission Line Models
167
Problems
183
Chapter 6 INDUCTION AND FRACTIONAL HORSEPOWER MOTORS
6.1 Introduction
191
6.2 Three-Phase Induction Motors
191
6.3 Torque Relations
199
6.4 Classification of Induction Motors
204
6.5 Rotating Magnetic Fields in Single-Phase Induction Motors
205
6.6 Equivalent Circuits for Single-Phase Induction Motors
210
6.7 Power and Torque Relations
216
6.8 Starting Single-Phase Induction Motors
222
6.9 Single-Phase Induction Motor Types
224
Problems
231
Chapter 7 FAULTS AND PROTECTION OF ELECTRIC ENERGY SYSTEMS
7.1 Introduction
237
7.2 Transients during a Balanced Fault
238
7.3 The Method of Symmetrical Components
240
7.4 Sequence Networks
245
7.5 Line-to-Ground Fault
261
7.6 Double Line-to-Ground Fault
264
7.7 Line-to-Line Fault
268
7.8 The Balanced Three-Phase Fault
271
7.9 System Protection, An Introduction
272
7.10 Protective Relays
273
7.11 Transformer Protection
276
7.12 Transmission Line Protection
282
7.13 Impedance-Based Protection Principles
289
7.14 Computer Relaying
297
Problems
299
Chapter 8 THE ENERGY CONTROL CENTER
8.1 Introduction
305
8.2 Overview of EMS Functions
307
8.3 Power Flow Control
315
8.4 Power Flow
319
8.5 Stability Considerations
332
8.6 Power System State Estimation
340
8.7 Power System Security
344
8.8 Contingency Analysis
349
8.9 Optimal Preventive and Corrective Actions
354
8.10 Dynamic Security Analysis
361
Chapter 9 THE PRESENT AND FUTURE OF ELECTRIC ENERGY SYSTEMS
9.1 Introduction
367
9.2 Challenges Facing the System
367
9.3 Blackouts and their Impact
371
9.4 Mitigating and Coping
379
REFERENCES 385
INDEX 391
Mohamed E. El-Hawary has been Professor and Associate Dean of Engineering at DalTech of Dalhousie University (formerly the Technical University of Nova Scotia) since 1981. He has written more than 150 technical papers, mainly in power system engineering, and is an author of three textbooks: Power Systems Analysis, Principles of Electric Machines, and Control System Engineering. He is also coauthor of two research monographs on economic operations of power systems. Dr. El-Hawary chairs the IEEE Power Engineering Society Operating Economics Subcommittee, Life Long Learning Subcommittee, and Awards and Recognitions of the System Operations and Dynamic Performance Committee. He is associate editor of Electric Machines and Power Systems and the International Journal of Electric Energy and Power Systems. Dr. El-Hawary is also former Editor in Chief of IEEE Press serves as Editor of the IEEE Press Power Engineering Series.
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