The book presents the latest power conversion and controltechnology in modern wind energy systems. It has nine chapters,covering technology overview and market survey, electric generatorsand modeling, power converters and modulation techniques, windturbine characteristics and configurations, and control schemes forfixed- and variable-speed wind energy systems. The book alsoprovides in-depth steady-state and dynamic analysis of squirrelcage induction generator, doubly fed induction generator, andsynchronous generator based wind energy systems.To illustrate the key concepts and help the reader tacklereal-world issues, the book contains more than 30 case studies and100 solved problems in addition to simulations and experiments. Thebook serves as a comprehensive reference for academic researchersand practicing engineers. It can also be used as a textbook forgraduate students and final year undergraduate students.

Preface.List of Symbols.Acronyms and Abbreviations.1. Introduction.1.1 Introduction.1.2 Overview of Wind Energy Conversion Systems.1.3 Wind Turbine Technology.1.4 Wind Energy Conversion System Configurations.1.5 Grid Code.1.6 Summary.2. Fundamentals of Wind Energy Conversion SystemControl.2.1 Introduction.2.2 Wind Turbine Components.2.3 Wind Turbine Aerodynamics.2.4 Maximum Power Point Tracking (MPPT) Control.2.5 Summary.3. Wind Generators and Modeling.3.1 Introduction.3.2 Reference Frame Transformation.3.3 Induction Generator Models.3.4 Synchronous Generators.3.5 Summary.4. Power Converters in Wind Energy ConversionSystems.4.1 Introduction.4.2 AC Voltage Controllers (Soft Starters).4.3 Interleaved Boost Converters.4.4 Two-Level Voltage Source Converters.4.5 Three-Level Neutral Point Clamped Converters.4.6 PWM Current Source Converters.4.7 Control of Grid-Connected Inverter.4.8 Summary.5. Wind Energy System Configurations.5.1 Introduction.5.2 Fixed Speed WECS.5.3 Variable Speed Induction Generator WECS.5.4 Variable-speed Synchronous Generator WECS.5.5 Summary.6. Fixed-Speed Induction Generator WECS.6.1 Introduction.6.2 Configuration of Fixed-Speed Wind Energy Systems.6.3 Operation Principle.6.4 Grid Connection with Soft Starter.6.5 Reactive Power Compensation.6.6 Summary.7. Variable-Speed Wind Energy Systems with Squirrel CageInduction Generators.7.1 Introduction.7.2 Direct Field Oriented Control.7.3 Indirect Field Oriented Control.7.4 Direct Torque Control.7.5 Control of Current Source Converter Interfaced WECS.7.6 Summary.8. Doubly-Fed Induction Generator Based WECS.8.1 Introduction.8.2 Super- and Sub-synchronous Operation of DFIG.8.3 Unity Power Factor Operation of DFIG.8.4 Leading and Lagging Power Factor Operation.8.5 A Steady-State Performance of DFIG WECS.8.6 DFIG WECS Start-up and Experiments.8.7 Summary.9. Variable-Speed Wind Energy Systems with SynchronousGenerators.9.1 Introduction.9.2 System Configuration.9.3 Control of Synchronous Generators.9.4 SG Wind Energy System with Back-to-back VSC.9.5 DC/DC Boost Converter Interfaced SG Wind Energy Systems.9.6 Reactive Power Control of SG WECS.9.7 Current Source Converter Based SG Wind Energy Systems.9.8 Summary.Appendix A. Per Unit System.Appendix B. Generator Parameters.Appendix C. Problems and Answers Manual.