Wind Energy: An Introduction, 1st Edition (Hardback) book cover

Wind Energy

An Introduction, 1st Edition

By Mohamed A. El-Sharkawi

CRC Press

355 pages | 196 Color Illus. | 27 B/W Illus.

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pub: 2015-06-10
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Description

Wind Energy: An Introduction covers wind energy system types, operation, modeling, analysis, integration, and control. Beginning with a history of the development of wind energy, this comprehensive book:

  • Explains the aerodynamic theories that govern the operation of wind turbines
  • Presents wind energy statistics to address the stochastic nature of wind speed
  • Employs the statistical modeling of wind speed to evaluate sites for wind energy generation
  • Highlights the differences between the most common types of wind turbines
  • Analyzes the main power electronic circuits used in wind energy
  • Details the induction, synchronous, and permanent magnet generators from the basic principle of induced voltage to the steady-state and dynamic models
  • Explores the operation, stability, control, and protection of type 1, 2, 3, and 4 wind turbines
  • Discusses the main integration challenges of wind energy systems with electric utility systems
  • Features numerous models, illustrations, real-world examples, and exercise problems
  • Includes a solutions manual and figure slides with qualifying course adoption

Wind Energy: An Introduction requires a basic knowledge of electric circuit theory, making it an ideal text for students at the senior-undergraduate and graduate levels. In addition, the book provides practicing engineers with a handy professional reference.

Reviews

"The book is an introduction to wind power, as the title indicates. El-Sharkawi (electrical engineering, Univ. of Washington, Seattle) presents the topic from a research and an industry point of view, with a lean toward electrical engineering aspects. Early chapters focus on the history of the technology, aerodynamics, and wind statistics (together forming the first fifth of the book). In following chapters, he discusses different types of converters, generators, wind turbine systems, and grid integration. The book reads easily, and benefits from a suitable number of (mostly color) figures, numerous worked-out examples, and end-of-chapter exercises. Although numerous books on wind power are already available (some very comprehensive), this work offers a relatively concise, well-organized resource; it would be an ideal textbook for undergraduate and graduate-level courses on wind energy. The book will be useful to advanced students and general readers interested in learning about the fundamentals of wind power. Readers need a basic knowledge of electrical engineering (at the undergraduate level) to gain the most from the text. Summing up: Recommended. Upper-level undergraduates through professionals/practitioners; two-year technical program students; informed general readers."

—M. Alam, University of California, Berkeley, USA, for CHOICE, March 2016

"Professor El-Sharkawi meets the growing demand from students and engineers interested in, or already working on, issues related to wind generation with a book covering all aspects of wind-power electrical engineering. As with his previous publications, El-Sharkawi succeeds in covering this important topic in great depth and clarity. The material is well presented following a logical development of the relevant topics. I would recommend this book to anyone interested in the subject of wind power generation."

—Izzy Kerszenbaum, IzzyTech Electrical Power Engineering Consulting & Training, Irvine, California, USA

"This book provides a rigorous introduction to the modeling and analysis of the power electronics at the heart of wind energy systems. It will serve as an essential component of modern energy curricula at the undergraduate and graduate levels."

—John O. Dabiri, California Institute of Technology, Pasadena, USA

"This book is well organized and covers many interesting topics related to grid integration of wind energy systems. It also covers key integration issues e.g. system stability, fault ride-through, variability of wind speed, and reactive power. This text book will be very useful to the engineering students as well as energy professionals."

—Prof. Mohan Kolhe, University of Agder (Norway)

Table of Contents

Preface

Author

List of Variables

History of the Wind Energy Development

Wind Turbines

Offshore Wind Turbines

Exercise

Aerodynamics of Wind Turbines

Wind Speed

Impact of Friction and Height on Wind Speed

Air Density

WT Blades

Angle of Attack

Relative Wind Speed

Pitch Angle

Coefficient of Performance

Tip-Speed Ratio

Blade Power

Separation of WTs

Exercise

Wind Statistics

Average Variance and Standard Deviation

Cumulative Distribution Function

Probability Density Function

Weibull Distribution Function

Rayleigh Distribution Function

Dependency and Repeatability

Cross-Correlation

Repeatability

Exercise

Overview of Wind Turbines

Classification of Wind Turbines

Alignment of Rotating Axis

Types of Generators

Speed of Rotation

Power Conversion

Control Actions

Types of Wind Turbines

Type 1 Wind Turbine

Type 2 Wind Turbine

Type 3 Wind Turbine

Type 4 Wind Turbine

Type 5 Wind Turbine

Exercise

Solid-State Converters

AC/DC Converters with Resistive Load

Rectifier Circuits

Voltage-Controlled Circuits

Three-Phase Circuits

AC/DC Converters with Inductive Load

Current Calculations

Voltage Calculations

Freewheeling Diodes

DC/DC Converters

Buck Converter

Boost Converter

Buck–Boost Converter

DC/AC Converters

Three-Phase DC/AC Converter

Pulse Width Modulation

AC/AC Converters

Exercise

Induction Generator

Description of Induction Machine

Representation of Induction Machine

Flux Linkage

Balanced System

Rotating Reference Frame

Park’s Equations

Steady-State Model

Dynamic Model of Induction Generator

Exercise

Synchronous Generator

Description of Synchronous Generator

Salient Pole Synchronous Generator

Rotating Reference Frame

Parks Equations

Steady-State Model

Cylindrical Rotor Synchronous Generator

Dynamic Model of Synchronous Generator

Dynamics of Rotating Mass

Dynamics of Electrical Modes

Block Diagram of Synchronous Generator

Exercise

Type 1 Wind Turbine System

Equivalent Circuit for the Squirrel-Cage Induction Generator

Power Flow

Electric Torque

Maximum Power

Maximum Torque

Assessment of Type 1 System

Control and Protection of Type 1 System

Reactive Power of Type 1 System

Inrush Current

Turbine Stability

Exercise

Type 2 Wind Turbine System

Equivalent Circuit of Type 2 Generator

Real Power

Electric Torque

Assessment of Type 2 System

Control and Protection of Type 2 System

Inrush Current

Turbine Stability

Exercise

Type 3 Wind Turbine System

Equivalent Circuit

Simplified Model

Power Flow

Apparent Power Flow through RSC

Apparent Power Flow through GSC

Speed Control

Protection of Type 3 Systems

Electrical Protection

Electromechanical Protection

Exercise

Type 4 Wind Turbine

Full Converter

Power Flow

Real Power Control

Reactive Power Control

Protection

Chopper System

Dynamic Resistance

Exercise

Grid Integration

System Stability

Stability of Synchronous Generator

Stability of the Induction Generator

Systemwide Stability

Fault Ride-Through, Low-Voltage Ride-Through

Impact of Fault on WTs

LVRT Requirements

LVRT Compliance Techniques

Variability of the Wind Power Production

Uncertainty of Wind Speed

Variability of Wind Power Output

Balancing Wind Energy

Reactive Power

Turbine Reactive Power Control

Static VAR Compensator

Synchronous Condenser

Exercise

Index

About the Author

Mohamed A. El-Sharkawi received his undergraduate education from Helwan University, Egypt, and his Ph.D from the University of British Columbia, Vancouver, Canada. He is currently professor of electrical engineering in the energy area at the University of Washington, Seattle, USA, where he has also served as the associate chair and the chairman of graduate studies and research. He has published more than 200 research articles, authored four textbooks, and co-authored three research books. An IEEE fellow, Professor El-Sharkawi has been the vice president for technical activities of the IEEE Computational Intelligence Society and the founding chairman of numerous IEEE task forces, working groups, and subcommittees. He holds five licensed patents related to renewable energy, VAR management, and minimum arc sequential circuit breaker switching.

Subject Categories

BISAC Subject Codes/Headings:
SCI024000
SCIENCE / Energy
TEC008000
TECHNOLOGY & ENGINEERING / Electronics / General
TEC031020
TECHNOLOGY & ENGINEERING / Power Resources / Electrical