Power Electronic Converters

Eric Monmasson, SATIE, University of Cergy-Pontoise, France.

Introduction xv

Chapter 1. Carrier-Based Pulse Width Modulation for Two-level Three-phase Voltage Inverters 1
Francis LABRIQUE and Jean-Paul LOUIS

1.1. Introduction 1

1.2. Reference voltages varef, vbref, vcref 4

1.3. Reference voltages Paref, Pbref, Pcref  10

1.4. Link between the quantities va, vb, vc and Pa, Pb, Pc  12

1.5. Generation of PWM signals 13

1.6. Determination of the reference waves varef k, vbref k, and vcref k from the reference waves varef k, vbref k, vcref k  24

1.7. Conclusion 32

1.8. Bibliography 33

Chapter 2. Space Vector Modulation Strategies 35
Nicolas PATIN and Vincent LANFRANCHI

2.1. Inverters and space vector PWM 35

2.2. Geometric approach to the problem 48

2.3. Space vector PWM and implementation 58

2.4. Conclusion 68

2.5. Bibliography 69

Chapter 3. Overmodulation of Three-phase Voltage Inverters 71
Nicolas PATIN and Eric MONMASSON

3.1. Background 71

3.2. Comparison of modulation strategies 72

3.3. Saturation of modulators 78

3.4. Improved overmodulation 81

3.5. Bibliography 91

Chapter 4. Computed and Optimized Pulse Width Modulation Strategies 93
Vincent LANFRANCHI, Nicolas PATIN and Daniel DEPERNET

4.1. Introduction to programmed PWM 93

4.2. Range of valid frequencies for PWM 95

4.3. Programmed harmonic elimination PWM 97

4.4. Optimized PWM 100

4.5. Calculated multilevel PWM 108

4.6. Conclusion 114

4.7. Bibliography 115

Chapter 5. Delta-Sigma Modulation 119
Jean-Paul VILAIN and Christophe LESBROUSSART

5.1. Introduction 119

5.2. Principle of single-phase Delta-Sigma modulation 120

5.3. Three-phase case: vector DSM 128

5.4. Conclusion 138

5.5. Bibliography 139

Chapter 6. Stochastic Modulation Strategies 141
Vincent LANFRANCHI and Nicolas PATIN

6.1. Introduction 141

6.2. Spread-spectrum techniques and their applications 142

6.3. Description of stochastic modulation techniques 144

6.4. Spectral analysis of stochastic modulation 147

6.5. Conclusion 155

6.6. Bibliography 156

Chapter 7. Electromagnetic Compatibility of Variable Speed Drives: Impact of PWM Control Strategies 159
Bertrand REVOL

7.1. Introduction 159

7.2. Objectives of an EMC study 161

7.3. EMC mechanisms in static converters 162


7.4. Time-domain simulation 167

7.5. Frequency-domain modeling: a tool for the engineer 169

7.6. PWM control 178

7.7. Comparison of sources for different carrier-based PWM strategies 190

7.8. Space vector PWM 193

7.9. Structure for minimizing the common mode voltage 199

7.10. Conclusion 200

7.11. Bibliography 200

Chapter 8. Multiphase Voltage Source Inverters 203
Xavier KESTELYN and Eric SEMAIL

8.1. Introduction 203

8.2. Vector modeling of voltage source inverters 204

8.3. Inverter as seen by the multiphase load 221

8.4. Conclusion 237

8.5. Bibliography 238

Chapter 9. PWM Strategies for Multilevel Converters 243
Thierry MEYNARD and Guillaume GATEAU

9.1. Introduction to multilevel and interleaved converters 243

9.2. Modulators 252

9.3. Examples of control signal generators for various multilevel structures 274

9.4. Conclusion 280

9.5. Bibliography 283

Chapter 10. PI Current Control of a Synchronous Motor 287
Mohamed Wissem NAOUAR, Eric MONMASSON, Ilhem SLAMA-BELKHODJA and Ahmad Ammar NAASSANI

10.1. Introduction 287

10.2. Model of a synchronous motor 288

10.3. Typical power delivery system for a synchronous motor 300

10.4. PI current control of a synchronous motor in the fixed three-phase coordinate system of the stator 303

10.5. PI current control for a synchronous motor in a rotating coordinate system (d, q) 311

10.6. Conclusion 316

10.7. Bibliography 317

Chapter 11. Predictive Current Control for a Synchronous Motor 319
Mohamed Wissem NAOUAR, Eric MONMASSON, Ilhem SLAMA-BELKHODJA and Ahmad Ammar NAASSANI

11.1. Introduction 319

11.2. Minimum-switching-frequency predictive control strategies 320

11.3. Limited-switching-frequency predictive control strategies 321

11.4. Limited-switching-frequency predictive current control strategies for a synchronous motor 322

11.5. Conclusion 333

11.6. Bibliography 334

Chapter 12. Sliding Mode Current Control for a Synchronous Motor 335
Ahmad Ammar NAASSANI, Mohamed Wissem NAOUAR, Eric MONMASSON and Ilhem SLAMA-BELKHODJA

12.1. Introduction 335

12.2. Sliding mode current control for a DC motor 336

12.3. Sliding mode current control of a synchronous motor 350

12.4. Conclusion 369

12.5. Bibliography 370

Chapter 13. Hybrid Current Controller with Large Bandwidth and Fixed Switching Frequency 371
Serge PIERFEDERICI, Farid MEIBODY-TABAR and Jean-Philippe MARTIN

13.1. Introduction 371

13.2. Main types of discrete-output current regulators 374

13.3. Tools for limit cycle analysis 392

13.4. Conclusion 414

13.5. Bibliography 414

Chapter 14. Current Control Using Self-oscillating Current Controllers 417
Jean-Claude LE CLAIRE

14.1. Introduction 417

14.2. Operating principle of the self-oscillating current controller 418

14.3. Improvements to the SOCC 428

14.4. Characteristics of the SOCC 432

14.5. Extensions to the SOCC concept 435

14.6. Conclusion 445

14.7. Bibliography 445

Chapter 15. Current and Voltage Control Strategies Using Resonant Correctors: Examples of Fixed-frequency Applications 449
Joseph PIERQUIN, Arnaud DAVIGNY and Benoît ROBYNS

15.1. Introduction 449

15.2. Current control with resonant correctors 451

15.3. Voltage control strategy 463

15.4. Conclusion 483

15.5. Appendix: transformer parameters 484

15.6. Bibliography 484

Chapter 16. Current Control Strategies for Multicell Converters 487
Guillaume GATEAU and Thierry MEYNARD

16.1. Introduction 487

16.2. Multilevel conversion topology 488

16.3. Modeling and analysis of degrees of freedom for control 495

16.4. Analysis of degrees of freedom available to the control algorithm 497

16.5. Classification of control strategies 500

16.6. Indirect control strategy for a single-phase leg 501

16.7. Direct control strategy for a single-phase leg 513

16.8. Command strategy, three-phase approach 521

16.9. Features of multicell converters: need for an observer 530

16.10. Conclusions and outlook 531

16.11. Bibliography 533

List of Authors 537

Index 541