PREFACE xv -- ACKNOWLEDGMENTS xvii -- ACRONYMS xix -- 1 Electronic Power Conversion 1 -- 1.1 Introduction 1 -- 1.2 Power-Electronic Converters and Converter Systems 1 -- 1.3 Applications of Electronic Converters in Power Systems 3 -- 1.4 Power-Electronic Switches 4 -- 1.5 Classification of Converters 8 -- 1.6 Voltage-Sourced Converter (VSC) 10 -- 1.7 Basic Configurations 10 -- 1.8 Scope of the Book 20 -- PART I FUNDAMENTALS 21 -- 2 DC/AC Half-Bridge Converter 23 -- 2.1 Introduction 23 -- 2.2 Converter Structure 23 -- 2.3 Principles of Operation 25 -- 2.4 Converter Switched Model 27 -- 2.5 Converter Averaged Model 32 -- 2.6 Nonideal Half-Bridge Converter 38 -- 3 Control of Half-Bridge Converter 48 -- 3.1 Introduction 48 -- 3.2 AC-Side Control Model of Half-Bridge Converter 48 -- 3.3 Control of Half-Bridge Converter 50 -- 3.4 Feed-Forward Compensation 53 -- 3.5 Sinusoidal Command Following 59 -- 4 Space Phasors and Two-Dimensional Frames 69 -- 4.1 Introduction 69 -- 4.2 Space-Phasor Representation of a Balanced Three-Phase Function 70 -- 4.3 Space-Phasor Representation of Three-Phase Systems 82 -- 4.4 Power in Three-Wire Three-Phase Systems 88 -- 4.5 αβ-Frame Representation and Control of Three-Phase Signals and Systems 91 -- 4.6 dq-Frame Representation and Control of Three-Phase Systems 101 -- 5 Two-Level, Three-Phase Voltage-Sourced Converter 115 -- 5.1 Introduction 115 -- 5.2 Two-Level Voltage-Sourced Converter 115 -- 5.3 Models and Control of Two-Level VSC 119 -- 5.4 Classification of VSC Systems 125 -- 6 Three-Level, Three-Phase, Neutral-Point Clamped, Voltage-Sourced Converter 127 -- 6.1 Introduction 127 -- 6.2 Three-Level Half-Bridge NPC 128 -- 6.3 PWM Scheme For Three-Level Half-Bridge NPC 130 -- 6.4 Switched Model of Three-Level Half-Bridge NPC 133 -- 6.5 Averaged Model of Three-Level Half-Bridge NPC 135 -- 6.6 Three-Level NPC 136 -- 6.7 Three-Level NPC with Capacitive DC-Side Voltage Divider 144 -- 7 Grid-Imposed Frequency VSC System: Control in αβ-Frame 160.

7.1 Introduction 160 -- 7.2 Structure of Grid-Imposed Frequency VSC System 160 -- 7.3 Real-/Reactive-Power Controller 161 -- 7.4 Real-/Reactive-Power Controller Based on Three-Level NPC 181 -- 7.5 Controlled DC-Voltage Power Port 189 -- 8 Grid-Imposed Frequency VSC System: Control in dq-Frame 204 -- 8.1 Introduction 204 -- 8.2 Structure of Grid-Imposed Frequency VSC System 205 -- 8.3 Real-/Reactive-Power Controller 206 -- 8.4 Current-Mode Control of Real-/Reactive-Power Controller 217 -- 8.5 Real-/Reactive-Power Controller Based on Three-Level NPC 232 -- 8.6 Controlled DC-Voltage Power Port 234 -- 9 Controlled-Frequency VSC System 245 -- 9.1 Introduction 245 -- 9.2 Structure of Controlled-Frequency VSC System 246 -- 9.3 Model of Controlled-Frequency VSC System 247 -- 9.4 Voltage Control 253 -- 10 Variable-Frequency VSC System 270 -- 10.1 Introduction 270 -- 10.2 Structure of Variable-Frequency VSC System 270 -- 10.3 Control of Variable-Frequency VSC System 273 -- PART II APPLICATIONS 311 -- 11 Static Compensator (STATCOM) 313 -- 11.1 Introduction 313 -- 11.2 Controlled DC-Voltage Power Port 313 -- 11.3 STATCOM Structure 314 -- 11.4 Dynamic Model for PCC Voltage Control 315 -- 11.5 Approximate Model of PCC Voltage Dynamics 321 -- 11.6 STATCOM Control 322 -- 11.7 Compensator Design for PCC Voltage Controller 324 -- 11.8 Model Evaluation 324 -- 12 Back-to-Back HVDC Conversion System 334 -- 12.1 Introduction 334 -- 12.2 HVDC System Structure 334 -- 12.3 HVDC System Model 336 -- 12.4 HVDC System Control 342 -- 12.5 HVDC System Performance Under an Asymmetrical Fault 353 -- 13 Variable-SpeedWind-Power System 385 -- 13.1 Introduction 385 -- 13.2 Constant-Speed and Variable-Speed Wind-Power Systems 385 -- 13.3 Wind Turbine Characteristics 388 -- 13.4 Maximum Power Extraction from A Variable-Speed Wind-Power System 390 -- 13.5 Variable-Speed Wind-Power System Based on Doubly-Fed Asynchronous Machine 393 -- APPENDIXA: Space-Phasor Representation of Symmetrical Three-Phase Electric Machines 413.

A.1 Introduction 413 -- A.2 Structure of Symmetrical Three-Phase Machine 413 -- A.3 Machine Electrical Model 414 -- A.4 Machine Equivalent Circuit 418 -- A.5 Permanent-Magnet Synchronous Machine (PMSM) 421 -- APPENDIX B: Per-Unit Values for VSC Systems 426 -- B.1 Introduction 426 -- REFERENCES 431 -- INDEX 439.