Predictive Control of Three Phase AC/DC Converters

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Sector 5 1 Figure 4.12: Converter voltage vector U P selection ΨL Sector 60 CHAPTER 4. PREDICTIVE DIRECT POWER CONTROL β Sector 6 (110) UP2 (000) UP0 (111) UP7 α UL (100) UP1 (101) 4 Sector 2 Sector 3 UP6 Sector U P sequence 1 0 5 6 6 5 0 2 0 1 6 6 1 0 3 1 6 7 7 6 1 4 1 2 7 7 2 1 5 0 1 2 2 1 0 6 0 3 2 2 3 0 7 3 2 7 7 2 3 8 3 4 7 7 4 3 9 0 3 4 4 3 0 10 0 5 4 4 5 0 11 5 4 7 7 4 5 12 5 6 7 7 6 5 Table 4.5: Switching table related to virtual flux vector position γ ΨL Control system uses common with CSF-P-DPC blocks like: • DC-link stabilization loop, • coordinates transformations (A.2), • cost function minimization criteria (4.45) – (4.47). The differences come from:
Qref fpi Sabc iLab 4.7. VF BASED CSF - PREDICTIVE DIRECT POWER CONTROL 61 Virtual Flux Estimator ΨLαβ Active & Reactive Power Calculation UDC Sabc ILαβ αβ abc Q P Switching Table Cost Function Minimization Criteria Power Predictive Model ILαβ VSC PI LOAD UDCref UDC Pref fqi Figure 4.13: Control scheme of Virtual Flux Based Constant Switching Frequency Predictive Direct Power Control VF-CSF-P-DPC - • power calculations (3.13), (3.14) and (3.20), (3.21), • switching table and sectors definition Tab. 4.4 and Tab. 4.5, • power predictive model (4.23), (4.24) and (4.60).
Page 1:
WARSAW UNIVERSITY OF TECHNOLOGY Fac
Page 5 and 6:
Contents Contents i 1 Introduction
Page 7:
CONTENTS iii List of Symbols and Ab
Page 11 and 12:
Chapter 1 Introduction AC/DC Voltag
Page 13 and 14:
Based Trajectory Based Deadbeat Con
Page 15 and 16:
5 which properties are deteriorated
Page 17 and 18:
Chapter 2 Voltage Source Converter
Page 19 and 20: (Sa=1, Sc=0) UP2 (Sa=1, UP1 Sb=1, S
Page 21 and 22: IL UL jωLIL UL jωLIL 2.2. MATHEMA
Page 23 and 24: ILα 1 sL+RSα - ULα 32IDC 1 sCUDC
Page 25: 2.3. SUMMARY 15 2.3 Summary In this
Page 28 and 29: Iqref Idref ILq ILd ILq φ uLab UDC
Page 30 and 31: UDC Filter 20 CHAPTER 3. CONTROL ST
Page 32 and 33: Qref dP dQ uLab UDC Sabc 22 CHAPTER
Page 34 and 35: 24 CHAPTER 3. CONTROL STRATEGIES FO
Page 36 and 37: Qref Pref uLab UDC Sabc 26 CHAPTER
Page 38 and 39: UDC Filter 28 CHAPTER 3. CONTROL ST
Page 40 and 41: ILq φ ωL 30 CHAPTER 3. CONTROL ST
Page 42 and 43: Lα 32 CHAPTER 3. CONTROL STRATEGIE
Page 51 and 52: Chapter 4 Predictive Direct Power C
Page 53 and 54: 4.3. VARIABLE SWITCHING FREQUENCY P
Page 55 and 56: UPdqUDC Qref UDCSabc uLab iLab 4.3.
Page 57 and 58: UPdqUDC UDCSabc uLab iLab 4.4. CURR
Page 59 and 60: UPdqUDC Qref Pref UDCSabc uLab iLab
Page 61 and 62: 4.6. CONSTANT SWITCHING FREQUENCY P
Page 63 and 64: PP1 fq1 fq2 PP4 PP5 PP6 PP3 fp3 fp3
Page 65 and 66: Sb Sc Sa Sb Sa Sc Sb Sa 4.6. CONSTA
Page 67 and 68: fqi fpi Qref Sabc 4.6. CONSTANT SWI
Page 69: 4.7. VF BASED CSF - PREDICTIVE DIRE
Page 73 and 74: 4.8. SIMULATION RESULTS 63 200 150
Page 77 and 78: 4.8. SIMULATION RESULTS 67 Mag (% o
Page 85 and 86: 4.9. SUMMARY 75 Control Method t se
Page 87 and 88: Chapter 5 Investigations of Control
Page 89 and 90: 5.1. ROBUSTNESS TO PARAMETERS MISMA
Page 91 and 92: Sabc UDC UPαβ UPαβ Lest Lest UP
Page 93 and 94: 5.4. LINE VOLTAGE DISTURBANCES 83 (
Page 95 and 96: 5.4. LINE VOLTAGE DISTURBANCES 85 (
Page 97 and 98: 5.4. LINE VOLTAGE DISTURBANCES 87 C
Page 99 and 100: Chapter 6 Experimental Study Experi
Page 101 and 102: 6.1. STEADY STATE OPERATION 91 (a)
Page 103 and 104: 6.1. STEADY STATE OPERATION 93 Cont
Page 105 and 106: 6.2. TRANSIENT OPERATION 95 (a) ST-
Page 111 and 112: 6.3. OPERATION WITH LOW SWITCHING F
Page 117: 6.4. SUMMARY 107 Control Method t s
Page 120 and 121:
110 CHAPTER 7. SUMMARY AND FINAL CO
Page 122 and 123:
112 BIBLIOGRAPHY [11] K. Hyosung an
Page 124 and 125:
114 BIBLIOGRAPHY [38] A. Nasiri,
Page 126 and 127:
116 BIBLIOGRAPHY [66] F. Morel, J.
Page 128 and 129:
118 BIBLIOGRAPHY 13. A. Lopez de He
Page 131 and 132:
Appendix A Coordinate transformatio
Page 133 and 134:
q β A.2. ROTATING SYSTEM 123 A.2 R
Page 135 and 136:
Appendix B Predictive Current Contr
Page 137 and 138:
∆ILαβP6 ∆ILαβP5 Figure B.2:
Page 139:
Figure B.4: Vector diagram of predi
Page 142 and 143:
132 APPENDIX C. PREDICTIVE DIRECT P
Page 145 and 146:
List of Symbols and Abbreviations S
Page 147 and 148:
137 Symbols Description Definition
Page 149 and 150:
List of Figures 1.1 Conjunction bet
Page 151 and 152:
LIST OF FIGURES 141 5.3 Line curren
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LIST OF TABLES 143 B.2 An example o
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Predictive Control of Three Phase AC/DC Converters

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