Table Of ContentAC to AC Converters
Modelling, Simulation, and Real-Time
Implementation Using SIMULINK®
AC to AC Converters
Modelling, Simulation, and Real-Time
Implementation Using SIMULINK®
Narayanaswamy P. R. Iyer
Electronics Consultant
Sydney, NSW, Australia
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Contents
Preface ...................................................................................................................xiii
Author ..................................................................................................................xvii
1. Introduction .....................................................................................................1
1.1 Background ............................................................................................1
1.2 Objectives and Novelty ........................................................................6
1.3 Research Methodology .........................................................................8
1.4 Book Outline ..........................................................................................8
References .......................................................................................................11
2. Carrier-Based Modulation Algorithms for Matrix Converters...........15
2.1 Introduction .........................................................................................15
2.2 Model of Three-Phase AC to Three-Phase AC Matrix Converter ...15
2.3 Venturini and Optimum Venturini Modulation Algorithms ......18
2.4 Model Development ...........................................................................21
2.4.1 Model of a Matrix Converter Using Venturini First
Method ....................................................................................21
2.4.2 Simulation Results .................................................................23
2.4.3 Model of a Matrix Converter Using Venturini
Second Method .......................................................................23
2.4.4 Simulation Results .................................................................27
2.4.5 Model of a Matrix Converter Using the Optimum
Venturini Modulation Algorithm ........................................31
2.4.6 Simulation Results .................................................................31
2.5 Advanced Modulation Algorithm ....................................................31
2.5.1 Model Development ..............................................................45
2.5.2 Model of a Matrix Converter Using the Advanced
Modulation Algorithm ..........................................................45
2.5.3 Simulation Results .................................................................47
2.6 Case Study: Speed Control and Brake by Plugging of
Three-Phase Induction Motor Fed by Matrix Converter...............53
2.6.1 Simulation Results .................................................................55
2.6.2 Real-Time Implementation ...................................................57
2.7 Discussion of Results ..........................................................................57
2.8 Conclusions ..........................................................................................60
References .......................................................................................................60
3. Multilevel Matrix Converter ......................................................................63
3.1 Introduction .........................................................................................63
vii
viii Contents
3.2 Multilevel Matrix Converter with Three Flying Capacitors
per Output Phase ................................................................................63
3.3 Control of Multilevel Matrix Converter with Three Flying
Capacitors per Output Phase by the Venturini Method ...............70
3.4 Output Filter ........................................................................................71
3.5 Model Development ...........................................................................71
3.5.1 Simulation Results .................................................................74
3.6 Conclusions ..........................................................................................79
References .......................................................................................................80
4. Direct Space Vector Modulation of Three-Phase Matrix
Converter..............................................................................................81
4.1 Introduction .........................................................................................81
4.2 Direct Space Vector Modulation Algorithm....................................82
4.3 Model of Three-Phase Asymmetrical Space Vector
Modulated Matrix Converter ............................................................88
4.3.1 Duty-Cycle Sequence and Sector Switch Function
Generator .................................................................................89
4.3.2 Output Voltage and Input Current Sector Calculator ......91
4.3.3 Output Voltage and Input Current Reference Angle
Calculator ................................................................................95
4.3.4 Gate Pulse Timing Calculator ..............................................95
4.3.5 Gate Pulse Generator .............................................................97
4.4 Simulation Results ..............................................................................98
4.5 Model of Direct Symmetrical Space Vector Modulated
Three-Phase Matrix Converter ..........................................................99
4.5.1 Duty-Cycle Sequence and Sector Switch Function
Generator ...............................................................................102
4.5.2 Output Voltage and Input Current Sector Calculator ....102
4.5.3 Output Voltage and Input Current Reference Angle
Calculator ..............................................................................105
4.5.4 Gate Pulse Timing Calculator ............................................106
4.5.5 Gate Pulse Generator ...........................................................107
4.6 Simulation Results ............................................................................109
4.7 Discussion of Results ........................................................................111
4.8 Conclusions ........................................................................................112
References .....................................................................................................112
5. Indirect Space Vector Modulation of Three-Phase Matrix
Converter ......................................................................................................115
5.1 Introduction .......................................................................................115
5.2 Principle of Indirect Space Vector Modulation .............................115
5.3 Indirect Space Vector Modulation Algorithm ..............................118
5.3.1 Voltage Source Inverter Output Voltage SVM .................121
Contents ix
5.3.2 Voltage Source Rectifier Input Current SVM ...................125
5.3.3 Matrix Converter Output Voltage and Input
Current SVM .........................................................................127
5.4 Model of Indirect Space-Vector-Modulated Three-Phase
Matrix Converter ...............................................................................135
5.4.1 Duty-Cycle Sequence and Sector Switch Function
Generator ...............................................................................135
5.4.2 Output Voltage and Input Current Sector Calculator ....138
5.4.3 Output Voltage and Input Current Reference Angle
Calculator ..............................................................................138
5.4.4 Gate Pulse Timing Calculator ............................................138
5.4.5 Gate Pulse Generator ...........................................................140
5.5 Simulation Results ............................................................................143
5.6 Discussion of Results ........................................................................143
5.7 Conclusions ........................................................................................146
References .....................................................................................................146
6. Programmable AC to DC Rectifier Using Matrix
Converter Topology ....................................................................................149
6.1 Introduction .......................................................................................149
6.2 Output Voltage Amplitude Limit of Direct AC to AC
Converters ..........................................................................................150
6.3 Principle of Dual Programmable AC to DC Rectifier ..................152
6.4 Model of Dual Programmable AC to DC Rectifier ......................154
6.4.1 Simulation Results ...............................................................158
6.5 Principle of Single Programmable AC to DC Rectifier ................158
6.6 Model of Single Programmable AC to DC Rectifier ....................163
6.6.1 Simulation Results ...............................................................166
6.7 Case Study: Speed Control and Brake by Plugging of
Separately Excited DC Motor Using Single Programmable
AC to DC Rectifier.............................................................................166
6.7.1 Simulation Results ...............................................................166
6.8 Case Study: Variable-Frequency Variable-Voltage Pure
Sine-Wave AC Power Supply ...........................................................169
6.8.1 Simulation Results ...............................................................170
6.9 Case Study: Speed Control and Brake by Plugging of Two
Separately Excited DC Motors Using Dual Programmable
AC to DC Rectifier.............................................................................172
6.9.1 Simulation Results ...............................................................179
6.10 Real-Time Implementation...............................................................179
6.11 Discussion of Results ........................................................................182
6.12 Conclusions ........................................................................................183
References .....................................................................................................183
