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IIT Kharagpur
Page no
Title Page ………. i
Certificate of Approval ……… v
Certificate ………...………. vii
Acknowledgements………...………... ix
Declaration………...………. xi
List of symbols………...……….. xiii
Abstract………. xv
Contents……… xvii
List of Figures……….. xxi
List of Tables………... xxvii
Chapter-1 Introduction 1 1.1 General………... 1
1.2 Aim and Scope of the Thesis………...……… 3
1.3 Literature Survey………...……… 4
1.3.1 Survey of different reference generation techniques…………..… 4
1.3.2 Survey on tracking methodology……… 15
1.3.3 Survey on converter topology……… 16
1.4 Organization of the Thesis………... 19
Chapter-2 Investigation On hGA Based Reference Generation Technique 23 2.1 Introduction ………... 23
2.2 Problem formulation………...… 25
2.3 GA based optimization………...… 25
2.4 hGA based reference generation technique………..……… 28
2.4.1 Implementation of hGA based optimization technique……...…... 28
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IIT Kharagpur
2.4.2 Flow chart of hGA based optimization technique……….…... 32
2.5 Simulation results………...….. 35
2.6 Experimental results………....… 39
2.7 Conclusion……….…… 43
Chapter-3 ANN Based Reference Generation Technique 45
3.1 Introduction………..……… 45
3.2 Background of the work……….…..… 47
3.3 ANN based reference generation technique……….. 48
3.3.1 Structure of ANN……… 48
3.3.2 Training of network……… 49
3.3.3 Adaptation/fine tuning of the ANN using RLS algorithm……… 49
3.3.4 Recursive Least Square rule……… 52
3.4 Simulation Result ………...……… 55
3.5 Experimental Result……… 59
3.6 Conclusions……….…………. 63
Chapter- 4 A Shunt Active Power Filter with Enhanced Performance Using ANN based Predictive and Adaptive Controllers 65 4.1 Introduction………...……….... 65
4.2 Estimation of current reference ……… 66
4.3 Control of the DC link voltage in the APF……….. 67
4.4 ANN based fast estimation of the compensating current………… 70
4.5 Adaptive current detection technique……… 73
4.6 Simulation results………..… 75
4.7 Experimental results………..……… 79
4.8 Conclusions……….………. 82
Chapter- 5 Sliding Mode Controller Based Tracking of Shunt Active Power Filter 83 5.1 Introduction ……….… 83
5.2 Sliding mode controller with feedback linearization ……….………… 85
5.2.1 Feedback linearization……….……….. 85
5.2.2 Sliding mode control……….…… 86 5.3 Modeling of shunt active power filter for sliding mode control ….… 87
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5.3.1 Tracking of current reference ……… 87
5.3.2 Regulation of DC link voltage……… 90
5.3.4 Controller design………. 94
5.4 Simulation results ………. 95
5.5 Experimental result……….… 99
5.6 Conclusions………...…. 100
Chapter- 6 Topological Variations of Active Power Filter 103 6.1 Introduction………...………… 103
6.2 System configuration ……… 104
6.3Design of passive filter ………..……… 108
6.3.1 Passive filter for Topology-A ……….……… 108
6.3.2 Passive filter for Topology-B ………...… 110
6.4 Understanding dynamics of APF ………..…………..…. 110
6.5 Controller design……….. 115
6.5.1 Synchronous reference theory based approach……….……. 115
6.5.1.1 Controller design of Topology-A……… 115
6.5.1.2 Controller design of Topology-B………. 117
6.5.2 ANN based controller for dual parallel topology…………...…. 117
6.6 Simulation and experimental results for Topologies A & B..…… 119
6.6.1 Simulation and experimental results for Topologies-A…...…… 120
6.6.1.1 Performance of Topology-A (Simulation Results)…………... 120
6.6.1.2 Performance of Topology-A (Experimental Results)………... 133
6.6.2 Simulation and experimental results for Topology-B…………. 148
6.6.2.1Performance of Topology-B (Simulation Results)……… 148
6.6.2.2Performance of Topology-B (Experimental results)…………. 157
6.7 Conclusions……….. 167
Chapter 7 Conclusions 171
7.1 General……….… 171
7.2 Major conclusions……….…... 172
7.3 Major contributions………..… 175
7.4 Future scope of work……… 176
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IIT Kharagpur
References ……….
Appendix ………... 191
List of Publication ……… 205
Author’s Biography……… 207
