Details

Photovoltaic Power System


Photovoltaic Power System

Modeling, Design, and Control
1. Aufl.

von: Weidong Xiao

98,99 €

Verlag: Wiley
Format: PDF
Veröffentl.: 05.05.2017
ISBN/EAN: 9781119280361
Sprache: englisch
Anzahl Seiten: 400

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Beschreibungen

<p><i>Photovoltaic Power System: Modelling, Design and Control</i> is an essential reference with a practical approach to photovoltaic (PV) power system analysis and control. It systematically guides readers through PV system design, modelling, simulation, maximum power point tracking and control techniques making this invaluable resource to students and professionals progressing from different levels in PV power engineering.</p> <p>The development of this book follows the author's 15-year experience as an electrical engineer in the PV engineering sector and as an educator in academia. It provides the background knowledge of PV power system but will also inform research direction.</p> <p>Key features:</p> <ul> <li>Details modern converter topologies and a step-by-step modelling approach to simulate and control a complete PV power system.</li> <li>Introduces industrial standards, regulations, and electric codes for safety practice and research direction.</li> <li>Covers new classification of PV power systems in terms of the level of maximum power point tracking.</li> <li>Contains practical examples in designing grid-tied and standalone PV power systems.</li> <li>Matlab codes and Simulink models featured on a Wiley hosted book companion website.</li> </ul>
<p>Preface xiii</p> <p>Acknowledgments xvii</p> <p>About the companion website xix</p> <p><b>1 Introduction 1</b></p> <p>1.1 Cell, Module, Panel, String, Subarray, and Array 2</p> <p>1.2 Blocking Diode 5</p> <p>1.3 Photovoltaic Cell Materials and Efficiency 6</p> <p>1.4 Test Conditions 7</p> <p>1.5 PV Module Test 8</p> <p>1.6 PV Output Characteristics 9</p> <p>1.7 PV Array Simulator 12</p> <p>1.8 Power Interfaces 13</p> <p>1.9 Standalone Systems 13</p> <p>1.10 AC Grid-connected Systems 18</p> <p>1.11 DC Grid and Microgrid Connections 19</p> <p>1.12 Building-integrated Photovoltaics 21</p> <p>1.13 Other Solar Power Systems 22</p> <p>1.14 Sun Trackers 23</p> <p>Problems 24</p> <p>References 24</p> <p><b>2 Classification of Photovoltaic Power Systems 25</b></p> <p>2.1 Background 25</p> <p>2.2 CMPPT Systems 26</p> <p>2.2.1 Power Loss due to PV Array Mismatch 29</p> <p>2.2.2 Communication and Data Acquisition for CMPPT Systems 32</p> <p>2.3 DMPPT Systems at PV String Level 36</p> <p>2.4 DMPPT Systems at PV Module Level 37</p> <p>2.4.1 Module-integrated Parallel Inverters 37</p> <p>2.4.2 Module-integrated Parallel Converters 39</p> <p>2.4.3 Module-integrated Series Converters 40</p> <p>2.4.4 Module-integrated Differential Power Processors 40</p> <p>2.4.5 Module-integrated Series Inverters 41</p> <p>2.5 DMPPT Systems at PV Submodule Level 42</p> <p>2.5.1 Submodule-integrated Series Converters 42</p> <p>2.5.2 Submodule-integrated Differential Power Processors 43</p> <p>2.5.3 Isolated-port Differential Power Processors 44</p> <p>2.6 DMPPT Systems at PV Cell Level 44</p> <p>2.7 Summary 45</p> <p>Problems 46</p> <p>References 46</p> <p><b>3 Safety Standards, Guidance and Regulation 49</b></p> <p>3.1 Certification of PV Modules 49</p> <p>3.2 Interconnection Standards 51</p> <p>3.3 System Integration to Low-voltage Networks 55</p> <p>3.3.1 Grounded Systems 55</p> <p>3.3.2 DC Ground Fault Protection 56</p> <p>3.3.3 Voltage Specification 56</p> <p>3.3.4 Circuit Sizing and Current 58</p> <p>3.3.5 Cable Selection 58</p> <p>3.3.6 Connectors and Disconnects 59</p> <p>3.3.7 Grid Interconnections through Power Distribution Panels 59</p> <p>3.3.8 Marking 60</p> <p>3.4 System Integration to Medium-voltage Network 60</p> <p>3.4.1 Active Power Throttling 61</p> <p>3.4.2 Fault Ride-through 61</p> <p>3.4.3 Reactive Power Support 62</p> <p>3.5 Summary 63</p> <p>Problems 63</p> <p>References 64</p> <p><b>4 PV Output Characteristics and Mathematical Models 65</b></p> <p>4.1 Ideal Single-diode Model 68</p> <p>4.1.1 Product Specification 68</p> <p>4.1.2 Parameter Identification at Standard Test Conditions 69</p> <p>4.1.3 Variation with Irradiance and Temperature 71</p> <p>4.2 Model Accuracy and Performance Indices 75</p> <p>4.3 Simplified Single-diode Models 78</p> <p>4.3.1 Parameter Identification: Part One 79</p> <p>4.3.2 Parameter Identification: Part Two 81</p> <p>4.3.3 Variation with Irradiance and Temperature 87</p> <p>4.4 Model Selection from the Simplified Single-diode Models 88</p> <p>4.5 Complete Single-diode Model 91</p> <p>4.6 Model Aggregation and Terminal Output Configuration 92</p> <p>4.7 Polynomial Curve Fitting 95</p> <p>4.8 Summary 99</p> <p>Problems 100</p> <p>References 101</p> <p><b>5 Power Conditioning 103</b></p> <p>5.1 PV-side Converters 104</p> <p>5.1.1 PV Module for Case Study 105</p> <p>5.1.2 Buck Converter 105</p> <p>5.1.3 Full-bridge Isolated Transformer DC/DC Converter 110</p> <p>5.1.4 Boost Converter 115</p> <p>5.1.5 Tapped-inductor Boost Topology 119</p> <p>5.1.6 Buck–Boost Converter 122</p> <p>5.1.7 Flyback Converter 126</p> <p>5.2 Battery-side Converter for DC/DC Stage 130</p> <p>5.2.1 Introduction to Dual Active Bridges 130</p> <p>5.2.2 Discharge Operation 131</p> <p>5.2.3 Charging Operation 135</p> <p>5.2.4 Zero Voltage Switching 139</p> <p>5.3 DC Link 142</p> <p>5.3.1 DC Link for Single-phase Grid Interconnection 143</p> <p>5.3.2 DC Link for Three-phase Grid Interconnections 145</p> <p>5.4 Grid-side Converter for DC/AC Stage 147</p> <p>5.4.1 DC to Single-phase AC Grid 147</p> <p>5.4.2 DC to Three-phase AC Grid 151</p> <p>5.4.3 Reactive Power 153</p> <p>5.5 Grid Link 154</p> <p>5.5.1 L-type for Single-phase Grid Connections 154</p> <p>5.5.2 L-type for Three-phase Grid Interconnections 155</p> <p>5.5.3 LCL-type Filters 157</p> <p>5.5.4 LC-type Filters 160</p> <p>5.6 Loss Analysis 160</p> <p>5.6.1 Conduction Loss 161</p> <p>5.6.2 High-frequency Loss 163</p> <p>5.7 Conversion Efficiency 165</p> <p>5.8 Wide Band-gap Devices for Future Power Conversion 165</p> <p>5.9 Summary 167</p> <p>Problems 169</p> <p>References 171</p> <p><b>6 Dynamic Modeling 173</b></p> <p>6.1 State-space Averaging 173</p> <p>6.2 Linearization 174</p> <p>6.3 Dynamics of PV Link 175</p> <p>6.3.1 Linearization of PV Output Characteristics 175</p> <p>6.3.2 Buck Converter as the PV-link Power Interface 176</p> <p>6.3.3 Full-bridge Transformer Isolated DC/DC as the PV-link Power Interface 180</p> <p>6.3.4 Boost Converter as the PV-link Power Interface 182</p> <p>6.3.5 Tapped-inductor Topology as the PV-link Power Interface 184</p> <p>6.3.6 Buck–boost Converter as the PV-link Power Interface 186</p> <p>6.3.7 Flyback Converter as the PV-link power Interface 188</p> <p>6.4 Dynamics of DC Bus Voltage Interfaced with Dual Active Bridge 189</p> <p>6.5 Dynamics of DC Link for AC Grid Connection 192</p> <p>6.5.1 Single-phase Connection 192</p> <p>6.5.2 Three-phase Connection 194</p> <p>6.6 Summary 195</p> <p>Problems 196</p> <p>References 197</p> <p><b>7 Voltage Regulation 199</b></p> <p>7.1 Structure of Voltage Regulation in Grid-connected PV Systems 199</p> <p>7.2 Affine Parameterization 201</p> <p>7.3 PID-type Controllers 202</p> <p>7.4 Desired Performance in Closed Loop 205</p> <p>7.5 Relative Stability 206</p> <p>7.6 Robustness 208</p> <p>7.7 Feedforward Control 209</p> <p>7.8 Voltage Regulation in PV Links 210</p> <p>7.8.1 Boost Converter for PV Links 210</p> <p>7.8.2 Tapped-inductor Topology for PV Links 213</p> <p>7.8.3 Buck Converter as the PV-link Power Interface 214</p> <p>7.8.4 Buck–boost Converter as the PV-link Power Interface 216</p> <p>7.8.5 Flyback Converter as the PV-link Converter 218</p> <p>7.9 Bus Voltage Regulation for DC Microgrids 220</p> <p>7.10 DC-link Voltage Regulation for AC Grid Interconnections 221</p> <p>7.10.1 Single-phase Grid Interconnection 222</p> <p>7.10.2 Three-phase Grid Interconnection 226</p> <p>7.11 Sensor, Transducer, and Signal Conditioning 227</p> <p>7.12 Anti-windup 230</p> <p>7.13 Digital Control 236</p> <p>7.13.1 Continuous Time and Discrete Time 240</p> <p>7.13.2 Digital Redesign 240</p> <p>7.13.3 Time Delay due to Digital Conversion and Process 243</p> <p>7.14 Summary 245</p> <p>Problems 246</p> <p>References 247</p> <p><b>8 Maximum Power Point Tracking 249</b></p> <p>8.1 Background 249</p> <p>8.2 Heuristic Search 252</p> <p>8.3 Extreme-value Searching 255</p> <p>8.4 Sampling Frequency and Perturbation Size 257</p> <p>8.5 Case Study 258</p> <p>8.6 Start-stop Mechanism for HC-based MPPT 261</p> <p>8.7 Adaptive Step Size Based on the Steepest Descent 264</p> <p>8.8 Centered Differentiation 267</p> <p>8.9 Real-time System Identification 270</p> <p>8.9.1 Recursive Least Squares Method 270</p> <p>8.9.2 Newton–Raphson Method for MPP Determination 272</p> <p>8.9.3 Forgetting Factor 272</p> <p>8.10 Extremum Seeking 273</p> <p>8.11 Multiple Power Peaks and Global MPPT 276</p> <p>8.12 Performance Evaluation of MPPT 277</p> <p>8.12.1 Review of Indoor Test Environment 277</p> <p>8.12.2 Review of Outdoor Test Environments 278</p> <p>8.12.3 Recommended Test Benches for MPPT Evaluation 279</p> <p>8.12.4 Statistical Paired Differential Evaluation 280</p> <p>8.13 Summary 281</p> <p>Problems 283</p> <p>References 284</p> <p><b>9 Battery Storage and Standalone System Design 285</b></p> <p>9.1 Batteries 287</p> <p>9.1.1 Battery Types 288</p> <p>9.1.2 Battery Terminology 291</p> <p>9.1.3 Charging Methods 292</p> <p>9.1.4 Battery Mismatches and Balancing Methods 295</p> <p>9.1.5 Battery Characteristics and Modeling 300</p> <p>9.1.6 Battery Selection 308</p> <p>9.2 Integrating Battery-charge Control with MPPT 308</p> <p>9.3 Design of Standalone PV Systems 309</p> <p>9.3.1 Systems without Significant Energy Storage 309</p> <p>9.3.2 Systems with Significant Energy Storage 311</p> <p>9.4 Equivalent Circuit for Simulation and Case Study 316</p> <p>9.5 Simulation Model to Integrate Battery-charging with MPPT 317</p> <p>9.6 Simulation Study of Standalone Systems 318</p> <p>9.6.1 Simulation of PV Array 318</p> <p>9.6.2 Short-term Simulation 319</p> <p>9.6.3 Medium-term Simulation 321</p> <p>9.6.4 Long-term Simulations 325</p> <p>9.6.5 Very-long-term Simulations 328</p> <p>9.7 Summary 329</p> <p>Problems 331</p> <p>References 332</p> <p><b>10 System Design and Integration of Grid-connected Systems 333</b></p> <p>10.1 System Integration of Single-phase Grid-connected System 335</p> <p>10.1.1 Distributed Maximum Power Point Tracking at String Level 335</p> <p>10.1.2 Distributed Maximum Power Point Tracking at PV Module Level 337</p> <p>10.2 Design Example of Three-phase Grid-connected System 340</p> <p>10.3 System Simulation and Concept Proof 343</p> <p>10.3.1 Modeling and Simulation of PV String 344</p> <p>10.3.2 Modeling and Simulation of DC/DC Stage 345</p> <p>10.3.3 Modeling and Simulation of DC/AC Stage 349</p> <p>10.3.4 Overall System Integration and Simulation 351</p> <p>10.4 Simulation Efficiency for Conventional Grid-connected PV Systems 351</p> <p>10.4.1 Averaging Technique for Switching-mode Converters 353</p> <p>10.4.2 Overall System Integration and Simulation 354</p> <p>10.4.3 Long-term Simulation 357</p> <p>10.5 Grid-connected System Simulation Based on Module Integrated Parallel Inverters 359</p> <p>10.5.1 Averaged Model for Module-integrated Parallel Inverters 359</p> <p>10.5.2 Overall System Integration and Simulation 362</p> <p>10.6 Summary 365</p> <p>Problems 366</p> <p>References 366</p> <p>Index 367</p>
?This book is an excellent explanation of PV power systems and its controls. It brings sufficient knowledge on modeling and designing different kinds of PV systems (both standalone and grid-tied). In the first 4 chapters, it focuses more on the introduction and PV basics such as PV classification, characteristics, and mathematical models. This information will lead readers to a general understanding of PV fundamentals, providing a smooth transition from basic knowledge to advanced industrial PV applications. It perfectly combines the theory and practical exercises. In chapter 5, it discusses the design, simulates and evaluates of state-of-art system components such as PV-side converters, battery-side converters, and grid-side converters. After discussing the system components, in the next two chapters, the complete dynamic modeling of PV systems are introduced. This book emphasizes the computer-aided analysis and simulation verification. The detailed equations behind the functions are provided, and the simulation blocks used are built using the commonly used blocks in Simulink. Readers can easily follow the step-by-step instructions to simulate the whole PV system in Matlab. Apart from system modeling, the control of the entire PV system like linear control and MPPT technology are also addressed. This book fulfills important demand in both academia and industry. It is also a perfect choice to support teaching senior-undergraduate and graduate courses.? ? Dr. Yang Du, Xi?an Jiaotong ? Liverpool University ?This is a textbook for a course that would appear to be suitable for upper level graduate students. It could also be used by undergraduates and master?s degree level students who want to get a general idea of how solar electric power systems work. The book reads well and should be accessible to most college students and certainly almost all graduate students. In addition to its use for higher education, this book could be used by engineers and utility executives who want to understand the technology of solar photovoltaic systems?It is possible to contemplate using this book to learn about and to teach about solar photovoltaic systems. This is clearly a textbook: it is not a design reference book. With increasing importance of sustainable sources of electric power, there is a clear need to better educate university students about the technology of photovoltaic power. This book should make a serious contribution.? ? James Kirtley, Professor of Electrical Engineering, Massachusetts Institute of Technology ?This book is an excellent choice for beginners working in the photovoltaic industry. It contains a nice mix of industrial applications/examples along with theoretical derivations of photovoltaic system at component- and system-level. The step-by-step discussion on industry background, problem formulation, mathematical modelling, computer simulation, and practical implementation provides a holistic view of designing photovoltaic systems. Detailed simulations modelling the dynamics of individual photovoltaic cell, maximum power point tracking, energy conversion (DC-DC and DC-AC), and grid-level auxiliary services (such as voltage regulation) are also provided. Since the designed MATLAB/SIMULINK block diagrams are provided throughout this book, reproducing the waveforms and results are feasible. In my opinion, this is the most important element? The addition of this book helps students and researchers to quickly grasp the fundamentals of photovoltaic systems. Note that the materials covered in this book are more suitable for graduate students.? ? Jimmy C.-H. Peng, Assistant Professor, Department of Electrical & Computer Engineering, National University of Singapore ?This book provides an inclusive introduction to the field of photovoltaic systems. It covers the basics of PV systems, their classifications, modeling, practical design issues, and their control and operation. It provides in-depth discussions for several modeling and control issues of PV systems and their power electronic converters. The book can be used to help students and researchers gain knowledge on the state of the art in this area and can familiarize engineers with designing safe and practical PV systems. I use the book as a textbook for the graduate course I teach at Worcester Polytechnic Institute about photovoltaic power systems. I found it the most comprehensive book that covers wide areas in PV engineering.? ? Yousef A. Mahmoud, Assistant Professor, Worcester Polytechnic Institute
<p><b> WEIDONG XIAO,</b> The University of Sydney, Australia <p> Weidong Xiao is an Associate Professor within the University of Sydney's School of Electrical and Information Engineering. His research interests include PV power systems, power electronics, dynamic systems and control, and industry applications.
<p><b>A practical introduction to PV power systems featuring an array of real-world examples </b></p> <p>This book guides readers through all facets of photovoltaic (PV) power system analysis, modeling, simulation, research, design, and control. The development of this book follows the author's 15–year experience as an electrical engineer in the PV engineering sector and as an educator in academia. It features a systematic presentation; organised to facilitate smooth transitions from fundamental knowledge to advanced subjects, making it a valuable tool for guiding research in academic contexts and for fostering performance enhancements in industry. The approach for modeling and simulation is based on the system dynamics that helps readers to understand the fundamental principle behind various simulation tools.</p> <p>Throughout <i>Photovoltaic Power System: Modeling, Design, and Control</i> the text is liberally supplemented with graphs, diagrams and calculations, simulation, and industrial examples are used to elucidate technical discussions. In addition, tutorial material—including PowerPoint slides, simulation codes, and models—are available on a companion website.</p> <p>Key subject areas covered in depth include:</p> <ul> <li>PV and PV power system fundamentals</li> <li>Classification of PV power systems</li> <li>Sizing and design of standalone PV power systems including battery and PV array</li> <li>Safety standards to design grid-tied PV power systems</li> <li>PV modeling; converter topologies for interfacing PV power output</li> <li>Techniques of maximum power point tracking and control subjects</li> <li>Integration of PV power systems in different scales for practical design, simulation, research, and development</li> </ul> <p> </p> <p><i>Photovoltaic Power System: Modeling, Design, and Control</i> is both a useful working resource for electrical engineers in the PV power systems industry and an excellent reference for advanced level undergraduates and graduate students in courses on PV power systems.</p>
?This book is an excellent explanation of PV power systems and its controls. It brings sufficient knowledge on modeling and designing different kinds of PV systems (both standalone and grid-tied). In the first 4 chapters, it focuses more on the introduction and PV basics such as PV classification, characteristics, and mathematical models. This information will lead readers to a general understanding of PV fundamentals, providing a smooth transition from basic knowledge to advanced industrial PV applications. It perfectly combines the theory and practical exercises. In chapter 5, it discusses the design, simulates and evaluates of state-of-art system components such as PV-side converters, battery-side converters, and grid-side converters. After discussing the system components, in the next two chapters, the complete dynamic modeling of PV systems are introduced. This book emphasizes the computer-aided analysis and simulation verification. The detailed equations behind the functions are provided, and the simulation blocks used are built using the commonly used blocks in Simulink. Readers can easily follow the step-by-step instructions to simulate the whole PV system in Matlab. Apart from system modeling, the control of the entire PV system like linear control and MPPT technology are also addressed. This book fulfills important demand in both academia and industry. It is also a perfect choice to support teaching senior-undergraduate and graduate courses.? ? Dr. Yang Du, Xi?an Jiaotong ? Liverpool University ?This is a textbook for a course that would appear to be suitable for upper level graduate students. It could also be used by undergraduates and master?s degree level students who want to get a general idea of how solar electric power systems work. The book reads well and should be accessible to most college students and certainly almost all graduate students. In addition to its use for higher education, this book could be used by engineers and utility executives who want to understand the technology of solar photovoltaic systems?It is possible to contemplate using this book to learn about and to teach about solar photovoltaic systems. This is clearly a textbook: it is not a design reference book. With increasing importance of sustainable sources of electric power, there is a clear need to better educate university students about the technology of photovoltaic power. This book should make a serious contribution.? ? James Kirtley, Professor of Electrical Engineering, Massachusetts Institute of Technology ?This book is an excellent choice for beginners working in the photovoltaic industry. It contains a nice mix of industrial applications/examples along with theoretical derivations of photovoltaic system at component- and system-level. The step-by-step discussion on industry background, problem formulation, mathematical modelling, computer simulation, and practical implementation provides a holistic view of designing photovoltaic systems. Detailed simulations modelling the dynamics of individual photovoltaic cell, maximum power point tracking, energy conversion (DC-DC and DC-AC), and grid-level auxiliary services (such as voltage regulation) are also provided. Since the designed MATLAB/SIMULINK block diagrams are provided throughout this book, reproducing the waveforms and results are feasible. In my opinion, this is the most important element? The addition of this book helps students and researchers to quickly grasp the fundamentals of photovoltaic systems. Note that the materials covered in this book are more suitable for graduate students.? ? Jimmy C.-H. Peng, Assistant Professor, Department of Electrical & Computer Engineering, National University of Singapore ?This book provides an inclusive introduction to the field of photovoltaic systems. It covers the basics of PV systems, their classifications, modeling, practical design issues, and their control and operation. It provides in-depth discussions for several modeling and control issues of PV systems and their power electronic converters. The book can be used to help students and researchers gain knowledge on the state of the art in this area and can familiarize engineers with designing safe and practical PV systems. I use the book as a textbook for the graduate course I teach at Worcester Polytechnic Institute about photovoltaic power systems. I found it the most comprehensive book that covers wide areas in PV engineering.? ? Yousef A. Mahmoud, Assistant Professor, Worcester Polytechnic Institute

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