Gonzalo Abad, Jesús López, Miguel Rodríguez, Luis Marroyo, Grzegorz Iwanski

Doubly Fed Induction Machine (eBook, PDF)

Modeling and Control for Wind Energy Generation

• Format: PDF

Produktbeschreibung

This book will be focused on the modeling and control of the DFIM based wind turbines. In the first part of the book, the mathematical description of different basic dynamic models of the DFIM will be carried out. It will be accompanied by a detailed steady-state analysis of the machine. After that, a more sophisticated model of the machine that considers grid disturbances, such as voltage dips and unbalances will be also studied. The second part of the book surveys the most relevant control strategies used for the DFIM when it operates at the wind energy generation application. The control techniques studied, range from standard solutions used by wind turbine manufacturers, to the last developments oriented to improve the behavior of high power wind turbines, as well as control and hardware based solutions to address different faulty scenarios of the grid. In addition, the standalone DFIM generation system will be also analyzed.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 640
• Erscheinungstermin: 26. September 2011
• Englisch
• ISBN-13: 9781118104941
• Artikelnr.: 37340341

Autorenporträt

GONZALO ABAD, PhD, is an Associate Professor in the Electronics Department at the Mondragon University, where he teaches modeling, control, and power electronics. JESÚS LÓPEZ, PhD, is an Assistant Professor in the Electrical and Electronic Engineering Department of the Public University of Navarra, where he teaches subjects related to the electrical drives and the processing of electrical power in wind turbines. MIGUEL RODRÍGUEZ, PhD, is the Power Electronics Systems Manager at Ingeteam Technology, responsible for developing new power electronics for transmission and distribution grid applications. LUIS MARROYO, PhD, is an Associate Professor in the Electrical and Electronic Engineering Department of the Public University of Navarra, where he teaches courses on electrical machines and power electronics. GRZEGORZ IWANSKI, PhD, is an Associate Professor in the Institute of Control and Industrial Electronics at the Warsaw University of Technology, where he teaches courses on power electronics drives and conversion systems.

Inhaltsangabe

Preface xiii 1 Introduction to A Wind Energy Generation System 1 1.1
Introduction 1 1.2 Basic Concepts of a Fixed Speed Wind Turbine (FSWT) 2
1.3 Variable Speed Wind Turbines (VSWTs) 10 1.4 Wind Energy Generation
System Based on DFIM VSWT 25 1.5 Grid Code Requirements 39 1.6 Voltage Dips
and LVRT 46 1.7 VSWT Based on DFIM Manufacturers 57 1.8 Introduction to the
Next Chapters 83 Bibliography 85 2 Back-to-Back Power Electronic Converter
87 2.1 Introduction 87 2.2 Back-to-Back Converter based on Two-Level VSC
Topology 88 2.3 Multilevel VSC Topologies 114 2.4 Control of Grid Side
System 133 2.5 Summary 152 References 153 3 Steady State of the Doubly Fed
Induction Machine 155 3.1 Introduction 155 3.2 Equivalent Electric Circuit
at Steady State 156 3.3 Operation Modes Attending to Speed and Power Flows
165 3.4 Per Unit Transformation 173 3.5 Steady State Curves: Performance
Evaluation 184 3.6 Design Requirements for the DFIM in Wind Energy
Generation Applications 202 3.7 Summary 207 References 208 4 Dynamic
Modeling of the Doubly Fed Induction Machine 209 4.1 Introduction 209 4.2
Dynamic Modeling of the DFIM 210 4.3 Summary 238 References 238 5 Testing
the DFIM 241 5.1 Introduction 241 5.2 Off-Line Estimation of DFIM Model
Parameters 242 5.3 Summary 262 References 262 6 Analysis of the DFIM Under
Voltage Dips 265 6.1 Introduction 265 6.2 Electromagnetic Force Induced in
the Rotor 266 6.3 Normal Operation 267 6.4 Three-Phase Voltage Dips 268 6.5
Asymmetrical Voltage Dips 278 6.6 Influence of the Rotor Currents 290 6.7
DFIM Equivalent Model During Voltage Dips 297 6.8 Summary 300 References
301 7 Vector Control Strategies for Grid-Connected DFIM Wind Turbines 303
7.1 Introduction 303 7.2 Vector Control 304 7.3 Small Signal Stability of
the Vector Control 314 7.4 Vector Control Behavior Under Unbalanced
Conditions 327 7.5 Vector Control Behavior Under Voltage Dips 331 7.6
Control Solutions for Grid Disturbances 340 7.7 Summary 358 References 360
8 Direct Control of the Doubly Fed Induction Machine 363 8.1 Introduction
363 8.2 Direct Torque Control (DTC) of the Doubly Fed Induction Machine 364
8.3 Direct Power Control (DPC) of the Doubly Fed Induction Machine 387 8.4
Predictive Direct Torque Control (P-DTC) of the Doubly Fed Induction
Machine at Constant Switching Frequency 399 Switching Frequency 411 8.5
Predictive Direct Power Control (P-DPC) of the Doubly Fed Induction Machine
at Constant Switching Frequency 416 8.6 Multilevel Converter Based
Predictive Direct Power and Direct Torque Control of the Doubly Fed
Induction Machine at Constant Switching Frequency 425 8.7 Control Solutions
for Grid Voltage Disturbances, Based on Direct Control Techniques 451 8.8
Summary 473 References 474 9 Hardware Solutions for LVRT 479 9.1
Introduction 479 9.2 Grid Codes Related to LVRT 479 9.3 Crowbar 481 9.4
Braking Chopper 492 9.5 Other Protection Techniques 495 9.6 Summary 497
References 498 10 Complementary Control Issues: Estimator Structures and
Start-Up of Grid-Connected DFIM 501 10.1 Introduction 501 10.2 Estimator
and Observer Structures 502 10.3 Start-up of the Doubly Fed Induction
Machine Based Wind Turbine 512 10.4 Summary 534 References 535 11
Stand-Alone DFIM Based Generation Systems 537 11.1 Introduction 537 11.2
Mathematical Description of the Stand-Alone DFIM System 544 11.3 Stator
Voltage Control 558 11.4 Synchronization Before Grid Connection By Superior
PLL 573 11.5 Summary 576 References 577 12 New Trends on Wind Energy
Generation 579 12.1 Introduction 579 12.2 Future Challenges for Wind Energy
Generation: What must be Innovated 580 12.3 Technological Trends: How They
Can be Achieved 584 12.4 Summary 599 References 600 Appendix 603 A.1 Space
Vector Representation 603 A.2 Dynamic Modeling of the DFIM Considering the
Iron Losses 610 References 618 Index 619 The IEEE Press Series on Power
Engineering