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Library of Congress Cataloging-in-Publication Data:

ISBN: 978-1-119-17206-2

CONTENTS

Preface

Nomenclature

Part I Introduction to Wind Power Generation

Chapter 1 Introduction
1. 1.1 Global Wind Power Development
2. 1.2 Evolution of Wind Power System
3. 1.3 Power Electronics in Wind Turbine Systems
4. 1.4 Challenges and Trends in Future Wind Power Technology
5. 1.5 The Topics of This Book
6. References
Chapter 2 Basics of Wind Power Generation System
1. 2.1 Introduction
2. 2.2 Wind Power Concept
3. 2.3 Variable-Speed Wind Turbine
4. 2.4 CONTROL OF POWER CONVERTER
5. 2.5 Wind Power Transmission
6. 2.6 Summary
7. References
Chapter 3 Grid Codes for Wind Power Generation Systems
1. 3.1 Introduction
2. 3.2 Grid Code Requirements Under Normal Operation
3. 3.3 Grid Code Requirements Under Non-Ideal Grid
4. 3.4 Grid Codes for Distributed Wind Power Generation
5. 3.5 Summary
6. References

Part II Modeling and Control of DFIG

Chapter 4 Modeling of DFIG Wind Power Systems
1. 4.1 Introduction
2. 4.2 Steady-State Equivalent Circuit of a Dfig
3. 4.3 Dynamic Model of a Dfig
4. 4.4 Modeling of the Converter
5. 4.5 Summary
6. References
Chapter 5 Control of Dfig Power Converters
1. 5.1 Introduction
2. 5.2 Start-Up Process of the Dfig System
3. 5.3 Grid-Side Converter
4. 5.4 Rotor-Side Converter in Power-Control Mode
5. 5.5 Rotor-Side Converter in Speed-Control Mode
6. 5.6 Rotor-Side Converter in Starting Mode
7. 5.7 Control-Mode Switching
8. 5.8 Summary
9. References

Part III Operation of DFIG Under Distorted Grid Voltage

Chapter 6 Analysis of DFIG Under Distorted Grid Voltage
1. 6.1 Introduction
2. 6.2 Influence on GSC
3. 6.3 Influence on DFIG And RSC
4. 6.4 Discussion on Different Controller Parameters
5. 6.5 Discussion on Different Power Scales
6. 6.6 Summary
7. References
Chapter 7 Multiple-Loop Control of DFIG Under Distorted Grid Voltage
1. 7.1 Introduction
2. 7.2 GSC Control
3. 7.3 DFIG and RSC Control
4. 7.4 Influence on the Fundamental Current Loop
5. 7.5 Summary
6. References
Chapter 8 Resonant Control of DFIG Under Grid Voltage Harmonics Distortion
1. 8.1 Introduction
2. 8.2 Resonant Controller
3. 8.3 Stator Current Control Using Resonant Controllers
4. 8.4 Influence on Normal Control Loop
5. 8.5 Design and Optimization of Current Controller
6. 8.6 Summary
7. References
Chapter 9 DFIG Under Unbalanced Grid Voltage
1. 9.1 Introduction
2. 9.2 RSC and DFIG Under Unbalanced Grid Voltage
3. 9.3 GSC Under Unbalanced Grid Voltage
4. 9.4 Control Limitations Under Unbalanced Grid Voltage
5. 9.5 Summary
6. References
Chapter 10 Control of DFIG Wind Power System Under Unbalanced Grid Voltage
1. 10.1 Introduction
2. 10.2 Control Targets
3. 10.3 Stator Current Control With Resonant Controller
4. 10.4 DC Voltage Fluctuation Control by GSC
5. 10.5 Summary
6. References

Part IV Grid Fault Ride-Through of DFIG

Chapter 11 Dynamic Model of DFIG Under Grid Faults
1. 11.1 Introduction
2. 11.2 Behavior During Voltage Dips
3. 11.3 DFIG Behavior During Voltage Recovery
4. 11.4 Under Recurring Grid Faults
5. 11.5 Summary
6. References
Chapter 12 Grid Fault Ride-Through of DFIG
1. 12.1 Introduction
2. 12.2 PLL Under Grid Faults
3. 12.3 FRT Strategies for DFIG Based on Improved Control
4. 12.4 FRT Strategies Based on Hardware Solutions
5. 12.5 Recurring Fault Ride Through
6. 12.6 Summary
7. References
Chapter 13 Thermal Control of Power Converter in Normal and Abnormal Operations
1. 13.1 Loss Model of Power Converter
2. 13.2 Thermal Model of Power Converter
3. 13.3 Thermal Loading During Normal Operation
4. 13.4 Thermal Loading in Abnormal Operation
5. 13.5 Smart Thermal Control by Reactive Power Circulation
6. 13.6 Summary
7. References

Part V DFIG Test Bench

Chapter 14 DFIG Test Bench
1. 14.1 Introduction
2. 14.2 Scheme of the DFIG Test Bench
3. 14.3 The Caged Motor and its Driving Inverter
4. 14.4 DFIG Test System
5. 14.5 ROTOR-SIDE CROWBAR
6. 14.6 GRID EMULATOR
7. 14.7 COMMUNICATIONS AND UP-LEVEL CONTROL
8. 14.8 START-UP AND PROTECTION OF THE SYSTEM
9. 14.9 SUMMARY
10. References

Appendix

A.1 Flux Equations in αβ Reference Frame
A.2 Typical Parameters of a DFIG
References

Index

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