Electric power systems : a first course

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Title:

Personal Author:

Mohan, Ned

Publication Information:

Hoboken, N.J. : John Wiley & Sons, c2012

Physical Description:

xii, 243 p. : ill., maps ; 26 cm.

ISBN:

9781118074794

Abstract:

"Author Ned Mohan has been a leader in EES education and research for decades. His three-book series on Power Electronics focuses on three essential topics in the power sequence based on applications relevant to this age of sustainable energy such as wind turbines and hybrid electric vehicles. The three topics include power electronics, power systems and electric machines. Key features in the first Edition build on Mohan's successful MNPERE texts; his systems approach which puts dry technical detail in the context of applications; and substantial pedagogical support including PPT's, video clips, animations, clicker questions and a lab manual. It follows a top-down systems-level approach to power electronics to highlight interrelationships between these sub-fields. It's intended to cover fundamental and practical design. This book also follows a building-block approach to power electronics that allows an in-depth discussion of several important topics that are usually left. Topics are carefully sequenced to maintain continuity and interest. "-- Provided by publisher.

Subject Term:

Electric power systems

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000010298135	TK1001 M645 2012	Open Access Book	Book	Searching... Unknown

On Order

Summary

This book is part of a three-book series for the sequence of electric power electives taught in most large universities' Electrical Engineering departments. Advances in hybrid-electric cars and alternative energy systems, coupled with the severe environmental problems associated with hydrocarbon-based fuels, are driving renewed interest in the electric energy systems (EES) curriculum at the Undergraduate level.

Ned Mohan has been a leader in EES education and research for decades, as author of the best-selling text/reference Power Electronics with Wiley and a series of textbooks self-published under the MNPERE imprint. Mohan leads a consortium of 80+ universities working to revitalize electric power engineering education. These texts are based on the integrated curriculum developed over nearly 15 years of research in education in this field.

Since the subject of Electric Power Systems encompasses a large and complex set of topics, a unique aspect of this book is a balanced approach in presenting as many topics as possible on a fundamental basis for a single-semester course. These topics include how electricity is generated and how it is used by various loads, and the network and various apparatus in between. Students see the big picture and learn the fundamentals at the same time. Sequencing of these topics is considered carefully to avoid repetition and to retain student and reader interest. However, instructors can rearrange the order for the most part, based on their own experiences and preferences.

Author Notes

Ned Mohan is the Oscar A. Schott Professor of Power Electronics in the Department of Electrical Engineering at the University of Minnesota, where he has been teaching for 33 years. He has written five textbooks; one of them has been translated into several languages.
He has 13 patents and has written over 200 technical articles. He is actively involved in the area of renewable energy and is working on the next generation of wind generators and storage.
He received the Distinguished Teaching Award by the Institute of Technology at the University of Minnesota. He is a Morse-Alumni Distinguished Teaching Professor and is a member of the Academy of Distinguished Teachers at the University of Minnesota. He received the Outstanding Educator Award from the Power Engineering Society of the IEEE in 2008. He is a Fellow of the IEEE.

Preface	p. xi
Chapter 1 Power Systems: A Changing Landscape	p. 1
1.1 Nature of Power Systems	p. 1
1.2 Changing Landscape of Power Systems and Utility Deregulation	p. 2
1.3 Topics in Power Systems	p. 3
References	p. 4
Problems	p. 5
Chapter 2 Review of Basic Electric Circuits and Electromagnetic Concepts	p. 6
2.1 Introduction [1]	p. 6
2.2 Phasor Representation in Sinusoidal Steady State	p. 6
2.3 Power, Reactive Power, and Power Factor	p. 9
2.4 Three-Phase Circuits	p. 15
2.5 Real and Reactive Power Transfer Between AC Systems	p. 21
2.6 Apparatus Ratings, Base Values, and Per-Unit Quantities	p. 22
2.7 Energy Efficiencies of Power System Apparatus	p. 24
2.8 Electromagnetic Concepts	p. 24
Reference	p. 33
Problems	p. 33
Appendix 2A p. 35
Chapter 3 Electric Energy and the Environment	p. 39
3.1 Introduction	p. 39
3.2 Choices and Consequences	p. 39
3.3 Hydro Power	p. 40
3.4 Fossil FuelBased Power Plants	p. 41
3.5 Nuclear Power	p. 43
3.6 Renewable Energy	p. 45
3.7 Distributed Generation (DG)	p. 52
3.8 Environmental Consequences and Remedial Actions	p. 52
3.9 Resource Planning	p. 53
References	p. 55
Problems	p. 55
Chapter 4 Ac Transmission Lines and Underground Cables	p. 57
4.1 Need for Transmission Lines and Cables	p. 57
4.2 Overhead AC Transmission Lines	p. 57
4.3 Transposition of Transmission Line Phases	p. 59
4.4 Transmission Lines Parameters	p. 59
4.5 Distributed-Parameter Representation of Transmission Lines in Sinusoidal Steady State	p. 66
4.6 Surge Impedance Zc and the Surge Impedance Loading (SII)	p. 68
4.7 Lumped Transmission Line Models in Steady State	p. 70
4.8 Cables [8]	p. 72
References	p. 73
Problems	p. 74
Appendix 4A Long Transmission Lines	p. 75
Chapter 5 Power Flow in Power System Networks	p. 78
5.1 Introduction	p. 78
5.2 Description of the Power System	p. 79
5.3 Example Power System	p. 79
5.4 Building the Admittance Matrix	p. 80
5.5 Basic Power Flow Equations	p. 82
5.6 Newton-Raphson Procedure	p. 83
5.7 Solution of Power Flow Equations Using N-R Method	p. 85
5.8 Fast Decoupled N-R Method for Power Flow	p. 89
5.9 Sensitivity Analysis	p. 90
5.10 Reaching the Bus Var Limit	p. 90
5.11 Synchronized Phasor Measurements, Phasor Measurement Units (PMUs), and Wide-Area Measurement Systems	p. 91
References	p. 91
Problems	p. 91
Appendix 5A Gauss-Seidel Procedure for Power Flow Calculations	p. 92
Chapter 6 Transformers in Power Systems	p. 94
6.1 Introduction	p. 94
6.2 Basic Principles of Transformer Operation	p. 94
6.3 Simplified Transformer Model	p. 99
6.4 Per-Unit Representation	p. 101
6.5 Transformer Efficiencies and Leakage Reactances	p. 103
6.6 Regulation in Transformers	p. 104
6.7 Auto-Transformers	p. 104
6.8 Phase-Shift Introduced by Transformers	p. 106
6.9 Three-Winding Transformers	p. 107
6.10 Three-Phase Transformers	p. 108
6.11 Representing Transformers with Off-Nominal Turns Ratios, Taps, and Phase-Shift	p. 108
References	p. 110
Problems	p. 110
Chapter 7 High Voltage DC (HVDC) Transmission Systems	p. 113
7.1 Introduction	p. 113
7.2 Power Semiconductor Devices and Their Capabilities	p. 113
7.3 HVDC Transmission Systems	p. 114
7.4 Current-Link HVDC Systems	p. 115
7.5 Voltage-Link HVDC Systems	p. 125
References	p. 129
Problems	p. 130
Chapter 8 Distribution System, Loads, and Power Quality	p. 132
8.1 Introduction	p. 132
8.2 Distribution Systems	p. 132
8.3 Power System Loads	p. 133
8.4 Power Quality Considerations	p. 137
8.5 Load Management [6,7] and Smart Grid	p. 148
8.6 Price of Electricity [3]	p. 149
References	p. 149
Problems	p. 149
Chapter 9 Synchronous Generators	p. 151
9.1 Introduction	p. 151
9.2 Structure	p. 152
9.3 Induced EMF in the Stator Windings	p. 154
9.4 Power Output, Stability, and the Loss of Synchronism	p. 159
9.5 Field Excitation Control to Adjust Reactive Power	p. 160
9.6 Field Exciters for Automatic Voltage Regulation (AVR)	p. 162
9.7 Synchronous, Transient, and Subtransient Reactances	p. 162
References	p. 164
Problems	p. 165
Chapter 10 Voltage Regulation and Stability in Power Systems	p. 166
10.1 Introduction	p. 166
10.2 Radial System as an Example	p. 166
10.3 Voltage Collapse	p. 169
10.4 Prevention of Voltage Instability	p. 170
References	p. 176
Problems	p. 176
Chapter 11 Transient and Dynamic Stability of Power Systems	p. 178
11.1 Introduction	p. 178
11.2 Principle of Transient Stability	p. 178
11.3 Transient Stability Evaluation in Large Systems	p. 186
11.4 Dynamic Stability	p. 187
References	p. 188
Problems	p. 188
Appendix 11A Inertia, Torque and Acceleration in Rotating Systems	p. 188
Chapter 12 Control of Interconnected Power System and Economic Dispatch	p. 192
12.1 Control Objectives	p. 192
12.2 Voltage Control by Controlling Excitation and the Reactive Power	p. 193
12.3 Automatic Generation Control (AGC)	p. 194
12.4 Economic Dispatch and Optimum Power Flow	p. 201
References	p. 206
Problems	p. 206
Chapter 13 Transmission Line Faults, Relaying, and Circuit Breakers	p. 208
13.1 Causes of Transmission Line Faults	p. 208
13.2 Symmetrical Components for Fault Analysis	p. 209
13.3 Types of Faults	p. 211
13.4 System Impedances for Fault Calculations	p. 215
13.5 Calculation of Fault Currents in Large Networks	p. 218
13.6 Protection against Short-Circuit Faults	p. 219
References	p. 227
Problems	p. 227
Chapter 14 Transient Overvoltages, Surge Protection, and Insulation Coordination	p. 229
14.1 Introduction	p. 229
14.2 Causes of Overvoltages	p. 229
14.3 Transmission Line Characteristics and Representation	p. 230
14.4 Insulation to Withstand Overvoltages	p. 233
14.5 Surge Arresters and Insulation Coordination	p. 234
References	p. 235
Problems	p. 235

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Author Notes

Table of Contents