Predictive Control of Power Converters and Electrical Drives (eBook, ePUB)
Predictive Control of Power Converters and Electrical Drives (eBook, ePUB)
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Describes the general principles and current research into Model Predictive Control (MPC); the most up-to-date control method for power converters and drives The book starts with an introduction to the subject before the first chapter on classical control methods for power converters and drives. This covers classical converter control methods and classical electrical drives control methods. The next chapter on Model predictive control first looks at predictive control methods for power converters and drives and presents the basic principles of MPC. It then looks at MPC for power electronics…mehr
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- Produktdetails
- Verlag: John Wiley & Sons
- Seitenzahl: 336
- Erscheinungstermin: 9. April 2012
- Englisch
- ISBN-13: 9781119942641
- Artikelnr.: 37352646
- Verlag: John Wiley & Sons
- Seitenzahl: 336
- Erscheinungstermin: 9. April 2012
- Englisch
- ISBN-13: 9781119942641
- Artikelnr.: 37352646
Introduction 3 1.1 Applications of Power Converters and Drives 3 1.2 Types
of Power Converters 5 1.2.1 Generic Drive System 5 1.2.2 Classification of
Power Converters 5 1.3 Control of Power Converters and Drives 7 1.3.1 Power
Converter Control in the Past 7 1.3.2 Power Converter Control Today 10
1.3.3 Control Requirements and Challenges 11 1.3.4 Digital Control
Platforms 12 1.4 Why Predictive Control Is Particularly Suited for Power
Electronics 13 1.5 Contents of This Book 15 References 16 2 Classical
Control Methods for Power Converters and Drives 17 2.1 Classical Current
Control Methods 17 2.1.1 Hysteresis Current Control 18 2.1.2 Linear Control
with Pulse Width Modulation or Space Vector Modulation 20 2.2 Classical
Electrical Drive Control Methods 24 2.2.1 FOC 24 2.2.2 DTC 26 2.3 Summary
30 References 30 3 Model Predictive Control 31 3.1 Predictive Control
Methods for Power Converters and Drives 31 3.2 Basic Principles of MPC 32
3.3 MPC for Power Electronics and Drives 34 3.3.1 Controller Design 35
3.3.2 Implementation 37 3.3.3 General Control Scheme 38 3.4 Summary 38
References 38 Part Two MODEL PREDICTIVE CONTROL APPLIED TO POWER CONVERTERS
4 Predictive Control of a Three-Phase Inverter 43 4.1 Introduction 43 4.2
Predictive Current Control 43 4.3 Cost Function 44 4.4 Converter Model 44
4.5 Load Model 48 4.6 Discrete-Time Model for Prediction 49 4.7 Working
Principle 50 4.8 Implementation of the Predictive Control Strategy 50 4.9
Comparison to a Classical Control Scheme 59 4.10 Summary 63 References 63 5
Predictive Control of a Three-Phase Neutral-Point Clamped Inverter 65 5.1
Introduction 65 5.2 System Model 66 5.3 Linear Current Control Method with
PWM 70 5.4 Predictive Current Control Method 70 5.5 Implementation 72 5.5.1
Reduction of the Switching Frequency 74 5.5.2 Capacitor Voltage Balance 77
5.6 Summary 78 References 79 6 Control of an Active Front-End Rectifier 81
6.1 Introduction 81 6.2 Rectifier Model 84 6.2.1 Space Vector Model 84
6.2.2 Discrete-Time Model 85 6.3 Predictive Current Control in an AFE 86
6.3.1 Cost Function 86 6.4 Predictive Power Control 89 6.4.1 Cost Function
and Control Scheme 89 6.5 Predictive Control of an AC-DC-AC Converter 92
6.5.1 Control of the Inverter Side 92 6.5.2 Control of the Rectifier Side
94 6.5.3 Control Scheme 94 6.6 Summary 96 References 97 7 Control of a
Matrix Converter 99 7.1 Introduction 99 7.2 System Model 99 7.2.1 Matrix
Converter Model 99 7.2.2 Working Principle of the MC 101 7.2.3 Commutation
of the Switches 102 7.3 Classical Control: The Venturini Method 103 7.4
Predictive Current Control of the MC 104 7.4.1 Model of the MC for
Predictive Control 104 7.4.2 Output Current Control 107 7.4.3 Output
Current Control with Minimization of the Input Reactive Power 109 7.4.4
Input Reactive Power Control 111 7.5 Summary 112 References 113 Part Three
MODEL PREDICTIVE CONTROL APPLIED TO MOTOR DRIVES 8 Predictive Control of
Induction Machines 117 8.1 Introduction 117 8.2 Dynamic Model of an
Induction Machine 118 8.3 FOC of an Induction Machine Fed by a Matrix
Converter Using Predictive Current Control 121 8.3.1 Control Scheme 121 8.4
Predictive Torque Control of an Induction Machine Fed by a Voltage Source
Inverter 123 8.4.1 PTC 123 8.5 PTC of an Induction Machine Fed by a Matrix
Converter 126 8.5.1 Torque and Flux Control 128 8.5.2 Torque and Flux
Control with Minimization of the Input Reactive Power 129 8.6 Summary 130
References 131 9 Predictive Control of Permanent Magnet Synchronous Motors
133 9.1 Introduction 133 9.2 Machine Equations 133 9.3 FOC Using Predictive
Current Control 135 9.3.1 Discrete-Time Model 136 9.3.2 Control Scheme 136
9.4 Predictive Speed Control 139 9.4.1 Discrete-Time Model 139 9.4.2
Control Scheme 140 9.4.3 Rotor Speed Estimation 141 9.5 Summary 142
References 143 Part Four DESIGN AND IMPLEMENTATION ISSUES OF MODEL
PREDICTIVE CONTROL 10 Cost Function Selection 147 10.1 Introduction 147
10.2 Reference Following 147 10.2.1 Some Examples 148 10.3 Actuation
Constraints 148 10.3.1 Minimization of the Switching Frequency 150 10.3.2
Minimization of the Switching Losses 152 10.4 Hard Constraints 155 10.5
Spectral Content 157 10.6 Summary 161 References 161 11 Weighting Factor
Design 163 11.1 Introduction 163 11.2 Cost Function Classification 164
11.2.1 Cost Functions without Weighting Factors 164 11.2.2 Cost Functions
with Secondary Terms 164 11.2.3 Cost Functions with Equally Important Terms
165 11.3 Weighting Factors Adjustment 166 11.3.1 For Cost Functions with
Secondary Terms 166 11.3.2 For Cost Functions with Equally Important Terms
167 11.4 Examples 168 11.4.1 Switching Frequency Reduction 168 11.4.2
Common-Mode Voltage Reduction 168 11.4.3 Input Reactive Power Reduction 170
11.4.4 Torque and Flux Control 170 11.4.5 Capacitor Voltage Balancing 174
11.5 Summary 175 References 176 12 Delay Compensation 177 12.1 Introduction
177 12.2 Effect of Delay due to Calculation Time 177 12.3 Delay
Compensation Method 180 12.4 Prediction of Future References 183 12.4.1
Calculation of Future References Using Extrapolation 184 12.4.2 Calculation
of Future References Using Vector Angle Compensation 186 12.5 Summary 188
References 188 13 Effect of Model Parameter Errors 189 13.1 Introduction
189 13.2 Three-Phase Inverter 189 13.3 PI Controllers with PWM 190 13.3.1
Control Scheme 190 13.3.2 Effect of Model Parameter Errors 191 13.4
Deadbeat Control with PWM 192 13.4.1 Control Scheme 192 13.4.2 Effect of
Model Parameter Errors 193 13.5 MPC 193 13.5.1 Effect of Load Parameter
Variation 194 13.6 Comparative Results 195 13.7 Summary 199 References 199
Appendix A Predictive Control Simulation - Three-Phase Inverter 201 A.1
Predictive Current Control of a Three-Phase Inverter 201 A.1.1 Definition
of Simulation Parameters 205 A.1.2 MATLAB Code for Predictive Current
Control 206 Appendix B Predictive Control Simulation - Torque Control of an
Induction Machine Fed by a Two-Level Voltage Source Inverter 209 B.1
Definition of PTC Simulation Parameters 211 B.2 MATLAB Code for the PTC
Simulation 213 Appendix C Predictive Control Simulation - Matrix Converter
217 C.1 Predictive Current Control of a Direct Matrix Converter 217 C.1.1
Definition of Simulation Parameters 219 C.1.2 MATLAB Code for Predictive
Current Control with Instantaneous Reactive Power Minimization 220 Index
225
Introduction 3 1.1 Applications of Power Converters and Drives 3 1.2 Types
of Power Converters 5 1.2.1 Generic Drive System 5 1.2.2 Classification of
Power Converters 5 1.3 Control of Power Converters and Drives 7 1.3.1 Power
Converter Control in the Past 7 1.3.2 Power Converter Control Today 10
1.3.3 Control Requirements and Challenges 11 1.3.4 Digital Control
Platforms 12 1.4 Why Predictive Control Is Particularly Suited for Power
Electronics 13 1.5 Contents of This Book 15 References 16 2 Classical
Control Methods for Power Converters and Drives 17 2.1 Classical Current
Control Methods 17 2.1.1 Hysteresis Current Control 18 2.1.2 Linear Control
with Pulse Width Modulation or Space Vector Modulation 20 2.2 Classical
Electrical Drive Control Methods 24 2.2.1 FOC 24 2.2.2 DTC 26 2.3 Summary
30 References 30 3 Model Predictive Control 31 3.1 Predictive Control
Methods for Power Converters and Drives 31 3.2 Basic Principles of MPC 32
3.3 MPC for Power Electronics and Drives 34 3.3.1 Controller Design 35
3.3.2 Implementation 37 3.3.3 General Control Scheme 38 3.4 Summary 38
References 38 Part Two MODEL PREDICTIVE CONTROL APPLIED TO POWER CONVERTERS
4 Predictive Control of a Three-Phase Inverter 43 4.1 Introduction 43 4.2
Predictive Current Control 43 4.3 Cost Function 44 4.4 Converter Model 44
4.5 Load Model 48 4.6 Discrete-Time Model for Prediction 49 4.7 Working
Principle 50 4.8 Implementation of the Predictive Control Strategy 50 4.9
Comparison to a Classical Control Scheme 59 4.10 Summary 63 References 63 5
Predictive Control of a Three-Phase Neutral-Point Clamped Inverter 65 5.1
Introduction 65 5.2 System Model 66 5.3 Linear Current Control Method with
PWM 70 5.4 Predictive Current Control Method 70 5.5 Implementation 72 5.5.1
Reduction of the Switching Frequency 74 5.5.2 Capacitor Voltage Balance 77
5.6 Summary 78 References 79 6 Control of an Active Front-End Rectifier 81
6.1 Introduction 81 6.2 Rectifier Model 84 6.2.1 Space Vector Model 84
6.2.2 Discrete-Time Model 85 6.3 Predictive Current Control in an AFE 86
6.3.1 Cost Function 86 6.4 Predictive Power Control 89 6.4.1 Cost Function
and Control Scheme 89 6.5 Predictive Control of an AC-DC-AC Converter 92
6.5.1 Control of the Inverter Side 92 6.5.2 Control of the Rectifier Side
94 6.5.3 Control Scheme 94 6.6 Summary 96 References 97 7 Control of a
Matrix Converter 99 7.1 Introduction 99 7.2 System Model 99 7.2.1 Matrix
Converter Model 99 7.2.2 Working Principle of the MC 101 7.2.3 Commutation
of the Switches 102 7.3 Classical Control: The Venturini Method 103 7.4
Predictive Current Control of the MC 104 7.4.1 Model of the MC for
Predictive Control 104 7.4.2 Output Current Control 107 7.4.3 Output
Current Control with Minimization of the Input Reactive Power 109 7.4.4
Input Reactive Power Control 111 7.5 Summary 112 References 113 Part Three
MODEL PREDICTIVE CONTROL APPLIED TO MOTOR DRIVES 8 Predictive Control of
Induction Machines 117 8.1 Introduction 117 8.2 Dynamic Model of an
Induction Machine 118 8.3 FOC of an Induction Machine Fed by a Matrix
Converter Using Predictive Current Control 121 8.3.1 Control Scheme 121 8.4
Predictive Torque Control of an Induction Machine Fed by a Voltage Source
Inverter 123 8.4.1 PTC 123 8.5 PTC of an Induction Machine Fed by a Matrix
Converter 126 8.5.1 Torque and Flux Control 128 8.5.2 Torque and Flux
Control with Minimization of the Input Reactive Power 129 8.6 Summary 130
References 131 9 Predictive Control of Permanent Magnet Synchronous Motors
133 9.1 Introduction 133 9.2 Machine Equations 133 9.3 FOC Using Predictive
Current Control 135 9.3.1 Discrete-Time Model 136 9.3.2 Control Scheme 136
9.4 Predictive Speed Control 139 9.4.1 Discrete-Time Model 139 9.4.2
Control Scheme 140 9.4.3 Rotor Speed Estimation 141 9.5 Summary 142
References 143 Part Four DESIGN AND IMPLEMENTATION ISSUES OF MODEL
PREDICTIVE CONTROL 10 Cost Function Selection 147 10.1 Introduction 147
10.2 Reference Following 147 10.2.1 Some Examples 148 10.3 Actuation
Constraints 148 10.3.1 Minimization of the Switching Frequency 150 10.3.2
Minimization of the Switching Losses 152 10.4 Hard Constraints 155 10.5
Spectral Content 157 10.6 Summary 161 References 161 11 Weighting Factor
Design 163 11.1 Introduction 163 11.2 Cost Function Classification 164
11.2.1 Cost Functions without Weighting Factors 164 11.2.2 Cost Functions
with Secondary Terms 164 11.2.3 Cost Functions with Equally Important Terms
165 11.3 Weighting Factors Adjustment 166 11.3.1 For Cost Functions with
Secondary Terms 166 11.3.2 For Cost Functions with Equally Important Terms
167 11.4 Examples 168 11.4.1 Switching Frequency Reduction 168 11.4.2
Common-Mode Voltage Reduction 168 11.4.3 Input Reactive Power Reduction 170
11.4.4 Torque and Flux Control 170 11.4.5 Capacitor Voltage Balancing 174
11.5 Summary 175 References 176 12 Delay Compensation 177 12.1 Introduction
177 12.2 Effect of Delay due to Calculation Time 177 12.3 Delay
Compensation Method 180 12.4 Prediction of Future References 183 12.4.1
Calculation of Future References Using Extrapolation 184 12.4.2 Calculation
of Future References Using Vector Angle Compensation 186 12.5 Summary 188
References 188 13 Effect of Model Parameter Errors 189 13.1 Introduction
189 13.2 Three-Phase Inverter 189 13.3 PI Controllers with PWM 190 13.3.1
Control Scheme 190 13.3.2 Effect of Model Parameter Errors 191 13.4
Deadbeat Control with PWM 192 13.4.1 Control Scheme 192 13.4.2 Effect of
Model Parameter Errors 193 13.5 MPC 193 13.5.1 Effect of Load Parameter
Variation 194 13.6 Comparative Results 195 13.7 Summary 199 References 199
Appendix A Predictive Control Simulation - Three-Phase Inverter 201 A.1
Predictive Current Control of a Three-Phase Inverter 201 A.1.1 Definition
of Simulation Parameters 205 A.1.2 MATLAB Code for Predictive Current
Control 206 Appendix B Predictive Control Simulation - Torque Control of an
Induction Machine Fed by a Two-Level Voltage Source Inverter 209 B.1
Definition of PTC Simulation Parameters 211 B.2 MATLAB Code for the PTC
Simulation 213 Appendix C Predictive Control Simulation - Matrix Converter
217 C.1 Predictive Current Control of a Direct Matrix Converter 217 C.1.1
Definition of Simulation Parameters 219 C.1.2 MATLAB Code for Predictive
Current Control with Instantaneous Reactive Power Minimization 220 Index
225