Advanced Multilevel Converters and Applications in Grid Integration

A comprehensive survey of advanced multilevel converter design, control, operation and grid-connected applications
 
Advanced Multilevel Converters and Applications in Grid Integration presents a comprehensive review of the core principles of advanced multilevel converters, which require fewer components and provide higher power conversion efficiency and output power quality. The authors - noted experts in the field - explain in detail the operation principles and control strategies and present the mathematical expressions and design procedures of their components.
 
The text examines the advantages and disadvantages compared to the classical multilevel and two level power converters. The authors also include examples of the industrial applications of the advanced multilevel converters and offer thoughtful explanations on their control strategies. Advanced Multilevel Converters and Applications in Grid Integration provides a clear understanding of the gap difference between research conducted and the current industrial needs. This important guide:
* Puts the focus on the new challenges and topics in related areas such as modulation methods, harmonic analysis, voltage balancing and balanced current injection
* Makes a strong link between the fundamental concepts of power converters and advances multilevel converter topologies and examines their control strategies, together with practical engineering considerations
* Provides a valid reference for further developments in the multilevel converters design issue
* Contains simulations files for further study
 
Written for university students in electrical engineering, researchers in areas of multilevel converters, high-power converters and engineers and operators in power industry, Advanced Multilevel Converters and Applications in Grid Integration offers a comprehensive review of the core principles of advanced multilevel converters, with contributions from noted experts in the field.

List of contents

List of Contributors xv
 
Preface xvii
 
Part I A review on Classical Multilevel Converters 1
 
1 Classical Multilevel Converters 3
Gabriel H. P. Ooi, Ziyou Lim, and Hossein Dehghani Tafti
 
1.1 Introduction 3
 
1.2 Classical Two-Level Converters 3
 
1.3 The Need for Multilevel Converters 4
 
1.4 Classical Multilevel Converters 5
 
1.5 Multilevel Applications and Future Trends 12
 
References 14
 
2 Multilevel Modulation Methods 17
Ziyou Lim, Hossein Dehghani Tafti, and Harikrishna R. Pinkymol
 
2.1 Introduction 17
 
2.2 Carrier-Based Sinusoidal Pulse-WidthModulation Methods 19
 
2.3 Space Vector Modulation (SVM) 24
 
2.4 Summary 27
 
References 28
 
3 Mathematical Modeling of Classical Three-Level Converters 29
Gabriel H. P. Ooi
 
3.1 Introduction 29
 
3.2 Three-Level Diode-Clamped Inverter Topology 29
 
3.3 Three-Level Flying-Capacitor Inverter Topology 38
 
3.4 Summary 44
 
References 44
 
4 Voltage BalancingMethods for Classical Multilevel Converters 45
Gabriel H. P. Ooi, Hossein Dehghani Tafti, and Harikrishna R. Pinkymol
 
4.1 Introduction 45
 
4.2 Active Balancing by Adding dc Offset Voltage to Modulating Signals 45
 
4.3 Measurement Results for dc Offset Modulation Control 47
 
4.4 Natural Balancing by using Star Connected RC Filter 49
 
4.5 Measurement Results for the Natural Balancing Method 59
 
4.6 Space Vector Modulation with the Self-Balancing Technique 59
 
4.7 Summary 61
 
References 63
 
Part II Advanced Multilevel Rectifiers and their Control Strategies 65
 
5 Unidirectional Three-Phase Three-Level Unity-Power Factor Rectifier 67
Gabriel H. P. Ooi and Hossein Dehghani Tafti
 
5.1 Introduction 67
 
5.2 Circuit Configuration 67
 
5.3 Proposed Controller Scheme 70
 
5.4 Experimental Verification 80
 
5.5 Summary 86
 
References 86
 
6 Bidirectional and Unidirectional Five-Level Multiple-Pole Multilevel Rectifiers 89
Gabriel H. P. Ooi
 
6.1 Introduction 89
 
6.2 Circuit Configuration 89
 
6.3 Modulation Scheme 91
 
6.4 Design Considerations 93
 
6.5 Comparative Evaluation 95
 
6.6 Control Strategy 101
 
6.7 Experimental Verification 103
 
6.8 Summary 105
 
References 105
 
7 Five-Level Multiple-Pole Multilevel Vienna Rectifier 107
Gabriel H. P. Ooi and Ali I. Maswood
 
7.1 Introduction 107
 
7.2 Operating Principle 108
 
7.3 Design Considerations 110
 
7.4 Control Strategy 112
 
7.5 Validation 115
 
7.6 Summary 116
 
References 117
 
8 Five-Level Multiple-Pole Multilevel Rectifier with Reduced Components 119
Gabriel H. P. Ooi
 
8.1 Introduction 119
 
8.2 Operation Principle 120
 
8.3 Modulation Scheme 122
 
8.4 Control Strategy 123
 
8.5 Design Considerations 128
 
8.6 Validation 131
 
8.7 Experimental Verification 131
 
8.8 Summary 132
 
References 134
 
9 Four-Quadrant Reduced Modular Cell Rectifier 137
Ziyou Lim
 
9.1 Introduction 137
 
9.2 Circuit Configuration 139
 
9.3 Operating Principle 139
 
9.4 Design Considerations 141
 
9.5 Control Strategy 144
 
9.6 Comparative Evaluation of Classical MFCR and Proposed RFCR 148
 
9.7 Experimental Verification 149
 
References 160
 
Part III Advanced Multilevel Inverters and their Control Strategies 163
 
10 Tr

About the author

EDITORS ALI I. MASWOOD, PHD, is an Associate Professor at Nanyang Technological University, Singapore. He received his first class B & M. Eng from Moscow Power Engineering Institute and Ph. D degree from Concordia University, Canada. Having taught in Canada for some time, he joined NTU, Singapore. Dr. Maswood is an Associate Editor, IET PEL, author of more than 100 journal and conference papers and a number of patents. His research interests are in unity PF converters, harmonics, multilevel converters, and modulation techniques. He is the recipient of several national and international grants that include the Qatar Foundation & Rolls Royce. HOSSEIN DEHGHANI TAFTI, PHD, received B.Sc. and M.Sc. degrees in electrical engineering and power system engineering from Amirkabir University of Technology, Iran, in 2009 and 2011, respectively, and a Ph.D. degree in electrical engineering from Nanyang Technological University, Singapore, in 2017. From February to August 2016, he was on a research exchange program with the University of New South Wales, Australia, where he was working in the control of multilevel grid-connected converters. From August to October 2017, he was a Researcher with Aalborg University, Denmark, where he was working on the constant power generation of photovoltaic power plants. Since January 2018 he has worked as a research fellow at Nanyang Technological University. His research interests include photovoltaic power plants, multilevel converters, renewable energy, and fault-ride-through capabilities of power converters.

Summary

A comprehensive survey of advanced multilevel converter design, control, operation and grid-connected applications

Advanced Multilevel Converters and Applications in Grid Integration presents a comprehensive review of the core principles of advanced multilevel converters, which require fewer components and provide higher power conversion efficiency and output power quality. The authors - noted experts in the field - explain in detail the operation principles and control strategies and present the mathematical expressions and design procedures of their components.

The text examines the advantages and disadvantages compared to the classical multilevel and two level power converters. The authors also include examples of the industrial applications of the advanced multilevel converters and offer thoughtful explanations on their control strategies. Advanced Multilevel Converters and Applications in Grid Integration provides a clear understanding of the gap difference between research conducted and the current industrial needs. This important guide:
* Puts the focus on the new challenges and topics in related areas such as modulation methods, harmonic analysis, voltage balancing and balanced current injection
* Makes a strong link between the fundamental concepts of power converters and advances multilevel converter topologies and examines their control strategies, together with practical engineering considerations
* Provides a valid reference for further developments in the multilevel converters design issue
* Contains simulations files for further study

Written for university students in electrical engineering, researchers in areas of multilevel converters, high-power converters and engineers and operators in power industry, Advanced Multilevel Converters and Applications in Grid Integration offers a comprehensive review of the core principles of advanced multilevel converters, with contributions from noted experts in the field.

Product details

• Authors: AI Maswood, Ali Iftekha Maswood, Ali Iftekhar Maswood, Ali Iftekhar Tafti Maswood, Hossein Dehghani Tafti, Hossein Dehghani Maswood Tafti
• Assisted by: Dehghani Tafti (Editor), Dehghani Tafti (Editor), Al Iftekhar Maswood (Editor), Ali Iftekhar Maswood (Editor), Ali Iftekhar Maswood (Editor), Hossein Dehghani Tafti (Editor)
• Publisher: Wiley, John and Sons Ltd
• Languages: English
• Product format: Hardback
• Released: 30.11.2018
• EAN: 9781119475866
• ISBN: 978-1-119-47586-6
• No. of pages: 496
• Subjects: Natural sciences, medicine, IT, technology > Technology > Electronics, electrical engineering, communications engineering; Energietechnik, Elektrotechnik, Energie, Leistungselektronik, ENERGY, TECHNOLOGY & ENGINEERING / Microwaves, Technology & Industrial Arts, TECHNOLOGY & ENGINEERING / Power Resources / Electrical, Elektrische Energietechnik, Power electronics, Electrical & Electronics Engineering, Elektrotechnik u. Elektronik, Power Technology & Power Engineering, Electric Power Systems