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<p>List of Contributors xv</p> <p>Preface xx</p> <p><b>1 Analysis of Dual Two-Level Converters for Multilevel Performance 1</b><br /><i>Shailesh Kumar Gupta and Omveer Singh</i></p> <p>1.1 Introduction 1</p> <p>1.2 Pros and Cons of Multilevel Converters 3</p> <p>1.3 Applications of Multilevel Converters 5</p> <p>1.4 Advantages of Dual Two-Level Converters 6</p> <p>1.5 Problem Identification 7</p> <p>1.6 Applications of Dual Two-Level Converters 8</p> <p>1.7 Multilevel Performance of Dual 2-L 3-Phase Inverter Using ANN-Based PWM 10</p> <p>1.8 Conclusion 19</p> <p><b>2 Multilevel Inverters: Classification, Approaches, and Its Application in Photovoltaic System 27</b><br /><i>Akhlaque Ahmad Khan, Ahmad Faiz Minai, Qamar Alam and Farhad Ilahi Bakhsh</i></p> <p>2.1 Introduction 28</p> <p>2.2 Multilevel Inverters (MLIs) 30</p> <p>2.3 Topologies for Multilevel Inverters With Reduced Switches 36</p> <p>2.4 MATLAB/Simulink MLI Configurations 39</p> <p>2.5 Applications of MLIs in SPV Systems 41</p> <p>2.6 Conclusion 45</p> <p><b>3 Multilevel Inverter Topologies, Modulation, and Applications in Motor Drives 51</b><br /><i>Zahoor Ahmad Ganie, Abdul Hamid Bhat and Salman Ahmad</i></p> <p>3.1 Introduction 51</p> <p>3.2 Conventional Multilevel Inverter Topologies 53</p> <p>3.3 New Advent MLI Topologies 57</p> <p>3.4 Pulse Width Modulation Techniques 61</p> <p>3.5 Selective Harmonic Elimination Technique 65</p> <p>3.6 Results and Discussion 67</p> <p>3.7 Conclusion 71</p> <p><b>4 Multilevel Inverter Operation With Reduced Capacitor Inrush Currents for Solar Photo-Voltaic Applications 75</b><br /><i>Mohammad Ali, Muhammad Khalid and Mohammad Ali Abido</i></p> <p>4.1 Introduction 76</p> <p>4.2 Operation of 11-Level T-Type MLIs 78</p> <p>4.3 Voltage Balance Algorithm of the Switched Capacitors 83</p> <p>4.4 Structural and Cost Comparison 84</p> <p>4.5 Components Analysis Under Steady State 86</p> <p>4.6 HIL Results 89</p> <p>4.7 Experimental Validation 92</p> <p>4.8 Conclusion 94</p> <p><b>5 Single Inverter Switched SVPWM Scheme for Four-Level Open-End Winding Induction Motor Drive 99</b><br /><i>Suresh Lakhimsetty, Hareesh Myneni and Obbu Chandra Sekhar</i></p> <p>5.1 Introduction 100</p> <p>5.2 Proposed Biasing SVPWM Scheme 105</p> <p>5.3 Experimental and Simulation Results 109</p> <p>5.4 Conclusion 114</p> <p><b>6 Field-Oriented Control (FOC) of Motor Drives With Multilevel Converter 117</b><br /><i>Arif Iqbal and S. P. Singh</i></p> <p>6.1 Introduction 117</p> <p>6.2 Mathematical Modeling 119</p> <p>6.3 Simulation Results 122</p> <p>6.4 Conclusions 124</p> <p><b>7 A Review on Self-Balanced Switched-Capacitor Multilevel Converter 127</b><br /><i>Dhananjay Kumar, Kasinath Jena, Jitendra Kumar Tandekar, Niraj Kumar Dewangan and Vishal Rathore</i></p> <p>7.1 Introduction 128</p> <p>7.2 Literature Review 130</p> <p>7.3 Description of Five-Level SCMLI 134</p> <p>7.4 Results 139</p> <p>7.5 Conclusion 141</p> <p><b>8 13 Level Switched-Capacitor Multilevel Converter with High Gain for Grid Connected Solar Photovoltaic Applications 147</b><br /><i>Hasan Iqbal, Mohammad Tayyab, Haroon Rehman, Adil Sarwar and Md Reyaz Hussan</i></p> <p>8.1 Introduction 148</p> <p>8.2 Switched-Capacitor Multilevel Inverters 151</p> <p>8.3 Switched Capacitor MLI Operation 152</p> <p>8.4 Grid-Connected Operation of SCMLIs 156</p> <p>8.5 Results and Discussion 157</p> <p>8.6 Summary 160</p> <p><b>9 Multilevel Inverter for Renewable Energy Source-Based Grid Integration 165</b><br /><i>Akhlaque Ahmad Khan, Ahmad Faiz Minai, Mohammed Aslam Husain and Mohammad Naseem</i></p> <p>9.1 Introduction 166</p> <p>9.2 Multilevel Inverters (MLI) 167</p> <p>9.3 Solar Photovoltaic Systems (SPVs) 171</p> <p>9.4 Applications of MLIs in RES 174</p> <p>9.5 Challenges and Future Work 177</p> <p>9.6 Conclusion 178</p> <p><b>10 Modeling and Analysis of Bidirectional Electric-Drive-Reconstructed On-Board Converter for Plug-In Electric Vehicles 185</b><br /><i>Faizan Fayaz Bhat, Zahid Ahmad Tantry, Md Ibrahim and Farhad Ilahi Bakhsh</i></p> <p>10.1 Introduction 186</p> <p>10.2 Proposed Electric-Drive-Reconstructed Converter Topology 187</p> <p>10.3 Operation of a Proposed System in Charging Mode 193</p> <p>10.4 Operation of a Proposed System in Driving Mode 198</p> <p>10.5 Conclusions 200</p> <p><b>11 Packed U-Cell Multilevel Inverter and Applications in Solar Photovoltaic System 203</b><br /><i>Salman Ahmad, Tajamal Hayat Parray and Farhad Ilahi Bakhsh</i></p> <p>11.1 Introduction 203</p> <p>11.2 Packed U-Cell Inverter 212</p> <p>11.3 Comparison of MLI Topologies 214</p> <p>11.4 Output Equation 219</p> <p>11.5 Simulation Model 223</p> <p>11.6 Hardware Development and Results 226</p> <p>11.7 Conclusion 227</p> <p><b>12 Unified Power Quality Conditioner (UPQC) Based on Multilevel Configurations 233</b><br /><i>Javeed Bashir, Salman Ahmad and Ahmed Sharique Anees</i></p> <p>12.1 Introduction 233</p> <p>12.2 Basic Principle of Operation 235</p> <p>12.3 Traditional Control Strategies 236</p> <p>12.4 UPQC’s P and Q Independent Control 243</p> <p>12.5 Multilevel Converter-Based UPQC 246</p> <p>12.6 Conclusion 249</p> <p><b>13 Efficiency Evaluation and Harmonic Investigation of a High-Efficiency FrSPWM-Controlled Infinite-Level Inverter 253</b><br /><i>Aishwarya V.</i></p> <p>13.1 Introduction 255</p> <p>13.2 Three-Phase Infinite-Level Inverter (TILI) 258</p> <p>13.3 Power Loss Evaluation and Efficiency Assessment of TILI 263</p> <p>13.4 Simulation Results 269</p> <p>13.5 Hardware Development and Results 271</p> <p>13.6 Results and Inference 274</p> <p>13.7 Conclusion 276</p> <p><b>14 Modeling and Analysis of Direct Torque Control Space-Vector Modulation of DFIG 281</b><br /><i>Vishal Rathore and Dhananjay Kumar</i></p> <p>14.1 Introduction 281</p> <p>14.2 Modeling of DFIG 283</p> <p>14.3 DTC Using SVPWM 289</p> <p>14.4 Results and Analysis 290</p> <p>14.5 Conclusion 294</p> <p><b>15 Observer-Based Sliding Mode Control of Static Var Compensator: A Voltage Control Application in a Hybrid Power System 297</b><br /><i>Zahid Afzal Thoker, and Shameem Ahmad Lone</i></p> <p>15.1 Introduction 298</p> <p>15.2 Mathematical Modeling of the System 299</p> <p>15.3 Sliding Mode Control Strategy for SVC 303</p> <p>15.4 Simulation Results 308</p> <p>15.5 Conclusion 312</p> <p><b>16 A Review of Modular Multilevel Converters and Its Applications 317</b><br /><i>Dhananjay Kumar, Kasinath Jena, Jitendra Kumar Tandekar, Niraj Kumar Dewangan and Vishal Rathore</i></p> <p>16.1 Introduction 318</p> <p>16.2 Literature Review 322</p> <p>16.3 Mathematical Modeling 326</p> <p>16.4 Simulation Results 327</p> <p>16.5 Performance Analysis 333</p> <p>16.6 Conclusion 333</p> <p><b>17 Application of CHB-MLI as a Three-Phase Star-Connected Nine-Level Shunt Active Power Filter 339</b><br /><i>Jitendra Kumar Tandekar, Amit Ojha and Shailendra Jain</i></p> <p>17.1 Introduction 340</p> <p>17.2 Operating Principle of the CHB-MLI-Based SAPF 341</p> <p>17.3 Modeling of CHB-MLI-Based Shunt Active Power Filter 344</p> <p>17.4 Nine-Level CHB-MLI-Based Shunt Active Power Filter 350</p> <p>17.5 Conclusion 358</p> <p>References 358</p> <p>Index 361</p>

<p><b>Salman Ahmad, PhD</b> is an assistant professor in the Department of Electrical Engineering, Islamic University of Science and Technology, India. He worked as a Lecturer with Debre Berhan University and Arba Minch University in Ethiopia from 2012 to 2015 and is an associate member of the Institutions of Engineers and the Institute of Electrical and Electronics Engineers. Additionally, he has published more than 20 technical papers in different journals and conference proceedings, contributed four chapters in edited books, and received four research grants from various government agencies. <p><b>Farhad Ilahi Bakhsh, PhD</b> is an assistant professor in the Department of Electrical Engineering, National Institute of Technology Srinagar, Jammu and Kashmir, India. He has developed five new systems, four of which have been officially published by patent offices, and has more than 50 published papers in reputed national and international journals and conferences. During his PhD, he developed a new method for grid integration for wind energy generation systems which has been recognized worldwide. <p><b>P. Sanjeevikumar, PhD</b> has been a faculty member in the Department of Energy Technology, Aalborg University, Esbjerg, Denmark since 2018. He has authored over 300 scientific papers. Additionally, he is a fellow of the Institution of Engineers, India, the Institution of Electronics and Telecommunication Engineers, India, and the Institution of Engineering and Technology, U.K.

<p><b>Discover the deep insights into the operation, modulation, and control strategies of multilevel converters, alongside their recent applications in variable speed drives, renewable energy generation, and power systems.</b> <p>Multilevel converters have gained attention in recent years for medium/high voltage and high power industrial and residential applications. The main advantages of multilevel converters over two level converters include less voltage stress on power semiconductors, low dv/dt, low common voltage, reduced electromagnetic interference, and low total harmonics distortion, among others. Better output power quality is ensured by increasing the number of levels in the synthesized output voltage waveform. Several multilevel topologies have been reported in the literature, such as neutral point clamped (NPC), flying capacitor (FC), cascaded H-bridge (CHB), hybrid cascaded H-bridge, asymmetrical cascaded H-bridge, modular multilevel converters (MMC), active neutral point clamped converters (ANPC), and packed U-cell type converters and various reduced device counts and a reduced number of source-based topologies have been proposed in literature. <p>The multilevel converter, although a proven and enabling technology, still presents numerous challenges in topologies, modulation, and control, as well as in need-based applications. Since multilevel converters offer a wide range of possibilities, research and development in the areas of multilevel converter topologies, modulation, and control in various applications are still growing. To further improve multilevel converter energy efficiency, reliability, power density, and cost, many research groups across the world are working to broaden the application areas of multilevel converters and make them more attractive and competitive compared to classic topologies. <p><i>Multilevel Converters</i> intends to provide deep insight about multilevel converter operation, modulation, and control strategies and various recent applications of multilevel converters such as in variable speed drives, renewable energy generation, and power systems.

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