This book introduces advanced thyristor-based shunt hybrid active power filters (HAPFs) for power quality improvement in power grids, which are characterized by a low dc-link operating voltage and a wide compensation range. This means they can overcome the high dc-link voltage requirement of conventional active power filters and the narrow compensation range problem of LC-coupling hybrid active power filters. Consisting of 10 chapters, the book discusses the principle, design, control and hardware implementation of thyristor-based hybrid active power filters. It covers 1) V-I characteristics, cost analysis, power loss and reliability studies of different power filters; 2) mitigation of the harmonic injection technique for thyristor-controlled parts; 3) nonlinear pulse width modulation (PWM) control; 4) parameter design methods; 5) minimum inverter capacity design; 6) adaptive dc-link voltage control; 7) unbalanced control strategy; 8) selective compensation techniques; and 9) the hardware prototype design of thyristor-based HAPFs, verified by simulation and experimental results. It enables readers to gain an understanding of the basic power electronics techniques applied in power systems as well as the advanced techniques for controlling, implementing and designing advanced thyristor-based HAPFs.;Introduction -- Comparisons among TCLC-HAPF and Other Different Power Quality Filters -- Mitigation of the Harmonic Injection in TCLC Part and Nonlinear Hysteresis PWM Control in Active Inverter Part of TCLC-HAPF -- Modeling and Parameter Design Method of TCLC-HAPF for Balanced/Unbalanced Loading Compensation -- Unbalanced Control Strategy for TCLC-HAPF -- Minimizing Inverter Capacity Design and Comparative Performance Evaluation of FC-TCR-HAPF and TCLC-HAPF -- An Adaptive DC-link voltage Control of TCLC-HAPF -- Selective Compensation of Distortion, Unbalanced and Reactive Power of TCLC-HAPF -- Implementation of An 110V-5kVA Three-phase Three-Wire TCLC-HAPF Experimental Prototype -- Conclusions and Prospective for Further Work.

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Wang, Lei, Wong, Man-Chung, Lam, Chi-Seng

Lei Wang, Man-Chung Wong, Chi-Seng Lam

Springer Science + Business Media Singapore Pte Ltd

Springer Nature Singapore

Power systems, 1st ed. 2019, Singapore, 2019

Singapore, Singapore

Power Systems, 2018

1st ed. 2019, 2018

Aug 02, 2018

lg2862540

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Source title: Adaptive Hybrid Active Power Filters (Power Systems)

Preface......Page 7
Acknowledgements......Page 9
Contents......Page 10
Abbreviations......Page 15
1.1 Power Quality Issues and Its Market......Page 17
1.1.2 Current Harmonic Pollution......Page 18
1.1.3 Current Unbalanced Problem......Page 19
1.1.4 Power Quality Compensation Market......Page 20
1.2 Development of Power Quality Compensators......Page 21
1.3.1 The Reference Signals Determination Methods......Page 22
1.4 TCLC-HAPF and Its Potential Advantages......Page 24
1.5 Research Challenges and Goals......Page 25
1.6 Book Organization......Page 27
1.7 Appendix: Voltage and Current Standards......Page 28
References......Page 29
2.1 Introduction......Page 33
2.2 Structures of APF, HAPF and TCLC-HAPF......Page 35
2.3 V-I Characteristics of APF, HAPF and TCLC-HAPF......Page 36
2.3.1 V-I Characteristics of APF, HAPF and TCLC-HAPF......Page 37
2.3.2 Simulation Case Studies......Page 39
2.4.1 Cost Comparison Among APF, HAPF and TCLC-HAPF Under Low Voltage Levels......Page 42
2.4.2 Cost Comparisons Among APF, HAPF and TCLC-HAPF Under High Voltage Levels......Page 44
2.5 Reliability Comparison Among APF, HAPF and TCLC-HAPF......Page 45
2.6 Power Loss Comparison Among APF, HAPF and TCLC-HAPF......Page 47
2.7 Tracking Performance Comparison Among APF, HAPF and TCLC-HAPF......Page 49
2.8.2 Experimental Results of HAPF......Page 51
2.9 Summary......Page 53
2.10 Appendix: Calculation of Failure Rate for Different Components......Page 56
References......Page 60
Abstract......Page 63
3.1 Introduction......Page 64
3.3.1 Mitigation of the Harmonic Injection in TCLC Part......Page 65
3.3.2 The Selection of n1 and n2 Through the Design of Lc......Page 68
3.3.3 Simulation and Experimental Verifications of the Mitigation of the Harmonic Injection in TCLC Part......Page 69
3.4 Nonlinear Hysteresis PWM Control in Active Inverter Part of TCLC-HAPF......Page 75
3.4.1 Compensating Current Characteristics of TCLC-HAPF......Page 76
3.4.2.1 Relationship Between Hysteresis Band H and ATHD......Page 79
3.4.2.2 Control Block Diagram of Proposed Non-linear Adaptive Hysteresis Band Controller for TCLC-HAPF......Page 83
3.4.2.3 Simulation Verifications of the Non-linear Adaptive Hysteresis Band PWM in Active Inverter Part of TCLC-HAPF......Page 84
3.5 Summary......Page 87
References......Page 88
4.1 Introduction......Page 90
4.2 Circuit Configuration and Modeling of TCLC-HAPF......Page 92
4.3 Proposed TCLC-HAPF Parameter Design Method Design for Balanced Loads......Page 94
4.4.1 Design of VDCf, CPF and LPF Based on Power Flow Analysis Under Fundamental Frequency Consideration......Page 97
4.4.2 Design of VDCh Based on Harmonic Frequency Analysis......Page 101
4.4.4 Summary of TCLC-HAPF Parameter Design......Page 103
4.5 Simulation Case Studies......Page 104
4.6 Experimental Results......Page 108
4.7 Summary......Page 111
References......Page 116
5.1 Introduction......Page 118
5.2 Circuit Configuration of Three-Phase Three-Wire TCLC-HAPF......Page 120
5.3 Proposed Unbalanced Control Strategy for TCLC-HAPF......Page 121
5.3.1 TCLC Part Control Strategy......Page 122
5.3.1.2 Obtain the Impedance of Xaf, Xbf and Xcf......Page 123
5.3.1.3 Find the Final Firing Angles αx Referenced to the Phase Angle of Vx......Page 125
5.3.2.1 Instantaneous Power Compensation Control......Page 127
5.3.2.3 Current PWM Control......Page 128
5.3.3 The Proposed Hybrid Controller for TCLC-HAPF......Page 129
5.4 Simulation and Experimental Results......Page 130
5.6 Appendix: Balancing Three-phase Fundamental Active Power by Reactive power compensation......Page 137
References......Page 141
6.1 Introduction......Page 143
6.2 Circuit Configuration and Modeling of SVC-HAPFs......Page 145
6.3 Ratio of Phase Active Inverter Rating and SVC Part Rating and Required Minimum DC-Link Voltage......Page 146
6.3.1 The Parameter Design and Characteristics of FC-TCR and TCLC......Page 148
6.3.2 Fundamental Frequency Analysis of Rtot1 and VDC_tot1......Page 150
6.3.3.1 The Rtotn and VDC_totn for Compensating iixn Only......Page 151
6.3.3.2 The Rn and VDCn for Compensating Both iixn and iLxn......Page 154
6.3.4 The Minimizing Inverter Capacity Design of Total Rtot and VDC_Tot......Page 155
6.4 Simulation Results......Page 158
6.5 Experimental Results......Page 160
References......Page 162
7.1 Introduction......Page 164
7.2 Circuit Configuration of Three-Phase Three-Wire TCLC-HAPF......Page 167
7.3.1 Deduction of DC-Link Voltage (VDCxf) at Fundamental Frequency......Page 169
7.3.2 Deduction of DC-Link Voltage (VDCxh) at Harmonic Frequency......Page 171
7.3.3 Comparison Between Conventional and Proposed Minimum VDC Calculation Methods......Page 172
7.4.1 TCLC Control Block......Page 173
7.4.3.1 Reference DC-Link Voltage Calculation Block......Page 175
7.5 Simulation Case Studies......Page 176
7.5.1 Under Compensation by Adaptive VDC Controlled TCLC-HAPF......Page 177
7.5.2 Over Compensation by Adaptive VDC Controlled TCLC-HAPF......Page 182
7.6 Experimental Results......Page 184
7.6.2 Comparison with Fixed VDC Controlled TCLC-HAPF......Page 185
7.7 Summary......Page 189
References......Page 190
8.1 Introduction......Page 193
8.2 Circuit Configuration of the TCLC-HAPF......Page 195
8.3 Power Analysis of the Proposed Selective Compensation......Page 196
8.4 Proposed Selective Compensation Control Strategy of TCLC-HAPF......Page 197
8.4.1 Active Inverter Part Control......Page 198
8.4.2 TCLC Part Control......Page 200
8.4.3 Compensation Priority Selection Among kQ, kU and kH......Page 201
8.4.4 Control Block of TCLC-HAPF......Page 203
8.5 Simulation and Experimental Verifications......Page 205
8.5.1 PSCAD Simulations......Page 206
8.5.2 Experimental Results......Page 208
References......Page 213
9.1 Introduction......Page 216
9.2 Circuit Configuration of the TCLC-HAPF Experimental Prototype......Page 217
9.3 Hardware Design of TCLC-HAPF Experimental Prototype......Page 218
9.3.1.1 Thyristor and Its Drivers in TCLC Part......Page 219
9.3.1.2 IGBT and Its Drivers in Active Inverter Part......Page 221
9.3.2 Transducer with Signal Conditioning Boards......Page 222
9.4 Software Design of TCLC-HAPF Experimental Prototype......Page 223
9.5.1 Experimental Results of TCLC-HAPF for Dynamic Inductive and Capacitive Reactive Power Compensations......Page 225
9.5.3 Experimental Results of TCLC-HAPF for Unbalanced Loading Compensation......Page 228
9.5.4 Experimental Results of TCLC-HAPF Compensation During Voltage Dip......Page 229
9.5.5 Experimental Results of TCLC-HAPF Compensation Under Voltage Fault......Page 232
References......Page 235
10.1 Conclusions......Page 236
10.2 Perspectives for Future Works......Page 238
Biography of Authors......Page 239

2020-11-29