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E-raamat: Multilevel Inverters: Conventional and Emerging Topologies and Their Control

(Principal, Sagar Institute of Science and Technology, Bhopal, India), (Associate Professor, Department of Electrical and Electronics Engineering, Sagar Institute of Science and Technology, Bhopal, India.)
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  • Ilmumisaeg: 05-Dec-2017
  • Kirjastus: Academic Press Inc
  • Keel: eng
  • ISBN-13: 9780128124499
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  • Formaat: EPUB+DRM
  • Ilmumisaeg: 05-Dec-2017
  • Kirjastus: Academic Press Inc
  • Keel: eng
  • ISBN-13: 9780128124499
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Multilevel Inverters: Conventional and Emerging Topologies and Their Control is written with two primary objectives: (a) explanation of fundamentals of multilevel inverters (MLIs) with reference to the general philosophy of power electronics; and (b) enabling the reader to systematically analyze a given topology with the possibility of contributing towards the ongoing evolution of topologies. The authors also present an updated status of current research in the field of MLIs with an emphasis on the evolution of newer topologies. In addition, the work includes a universal control scheme, with which any given topology can be modulated. Extensive qualitative and quantitative evaluations of emerging topologies give researchers and industry professionals suitable solutions for specific applications with a systematic presentation of software-based modeling and simulation, and an exploration of key issues.

Topics covered also include power distribution among sources, voltage balancing, optimization switching frequency and asymmetric source configuration. This valuable reference further provides tools to model and simulate conventional and emerging topologies using MATLAB®/Simulink® and discusses execution of experimental set-up using popular interfacing tools.

The book includes a Foreword by Dr. Frede Blaabjerg, Fellow IEEE, Professor and VILLUM Investigator, Aalborg University, Denmark.

Muu info

A critical evaluation of emerging inverter topologies and a systematic approach to understanding the concepts of multilevel inverters
Foreword xi
About the Authors xiii
Preface xv
Acknowledgments xvii
1 Basics of Inverters
1.1 Introduction
1(1)
1.2 Power Electronics as a Technology
1(5)
1.3 Concept of States: Example of an Inverter
6(4)
1.4 Waveform Analysis
10(3)
1.5 Filtering
13(3)
1.6 Sine-Triangle PWM
16(2)
1.7 Power Switch Requirements
18(2)
1.8 Summary
20(1)
References
20(1)
2 Basics of Multilevel Inverters
2.1 Introduction
21(2)
2.2 Multilevel Inverters
23(4)
2.2.1 Advantages of MLIs on Account of the Waveform
25(1)
2.2.2 Advantages of MLIs on Account of Topology
26(1)
2.3 Conventional Topologies
27(13)
2.3.1 CHB Inverter and Modulation Strategies
27(1)
2.3.2 Diode-Clamped Structure and Modulation Strategies
28(7)
2.3.3 FC Structure and Modulation Strategies
35(5)
2.4 Issues With Conventional Topologies
40(2)
2.5 Summary
42(1)
References
42(1)
3 Advent of New Topologies
3.1 Introduction
43(1)
3.2 Advent of New Topologies for MLIs
44(2)
3.3 MLI Topologies With Reduced Device Count
46(17)
3.3.1 Cascaded Half-Bridge-Based Multilevel DC Link Inverter
47(1)
3.3.2 T-Type Inverter
48(3)
3.3.3 Switched Series/Parallel Sources--Based MLI
51(2)
3.3.4 Series-Connected Switched Sources--Based MLI
53(1)
3.3.5 Cascaded "Bipolar Switches Cells"--Based MLI
54(1)
3.3.6 Packed U-Cell Topology
55(2)
3.3.7 Multilevel Module--Based MLI
57(1)
3.3.8 Reversing Voltage Topology
58(2)
3.3.9 Two-Switch Enabled Level Generation--Based MLI
60(3)
3.4 Summary
63(6)
References
64(5)
4 Universal Control Scheme with Voltage-Level-Based Methods
4.1 Introduction
69(1)
4.2 Modulation Strategies for MLIs
70(8)
4.2.1 Multicarrier PWM with Different Carrier Signals
71(2)
4.2.2 Multicarrier PWM with Different Modulating Signals
73(2)
4.2.3 SHE Technique
75(3)
4.3 Description of the UCS
78(5)
4.4 Implementation of UCS for a Five-Level Cascaded H-Bridge Inverter
83(5)
4.4.1 Simulation Model for Obtaining Aggregated Signal "a(t)"
84(2)
4.4.2 Simulation Model for Obtaining Actual Driving Pulses for a Five-Level Cascaded H-Bridge Inverter
86(2)
4.4.3 Simulation of a Five-Level Cascaded H-Bridge Inverter
88(1)
4.4.4 Experimental Implementation of a Five-Level Cascaded H-Bridge Inverter
88(1)
4.5 Implementation of UCS in Some Recently Proposed Topologies
88(16)
4.5.1 Implementation for 2SELG-Based MLI
90(2)
4.5.2 Implementation for Switched Series/Parallel Sources-Based MLI
92(4)
4.5.3 Implementation for Reversing Voltage Topology
96(8)
4.6 Summary
104(3)
References
104(3)
5 Multilevel Inverter Based on Bridge-Type Connected Sources
107(24)
5.1 Introduction
107(1)
5.2 Conceptualization of Topology
108(7)
5.2.1 Principle of Operation
112(1)
5.2.2 Output Voltage
112(2)
5.2.3 Voltage Across Blocking Switches
114(1)
5.2.4 Power Switch Configuration
114(1)
5.3 Simulation Studies
115(4)
5.4 Experimental Validation of Nine-Level BCS-MLI With Trinary Sources
119(1)
5.5 Charge Balance Control in Asymmetrically Configured BCS-MLI
120(8)
5.6 Conclusion
128(3)
References
129(2)
6 Cross-Connected Sources-Based Multilevel Inverter
6.1 Introduction
131(1)
6.2 CCS-MLI Topology and Principle of Operation
132(1)
6.3 Mathematical Formulations for CCS-MLI
133(4)
6.3.1 Switching Function for Output Voltage
133(3)
6.3.2 Currents Through Input Sources
136(1)
6.3.3 Currents Through Conducting Switches
137(1)
6.3.4 Voltage Stress on Blocking Switches
137(1)
6.4 Investigations on CCS-MLI With Symmetric Source Configuration
137(14)
6.4.1 Optimal Switching Operation of Five-Level Inverter Based on CCS-MLI
138(2)
6.4.2 Equal Load Sharing Amongst the Input DC Sources in a Five-Level CCS-MLI
140(7)
6.4.3 Optimal Switching Operation of Higher-Level Inverters (Number of Levels > 5) Based on CCS-MLI
147(2)
6.4.4 Equal Load Sharing in Higher-Level Inverters (Number of Levels > 5) Based on CCS-MLI
149(2)
6.5 CCS-MLI With Asymmetric Source Configuration
151(6)
6.5.1 Asymmetric Configuration for CCS-MLI
154(3)
6.6 Cascaded Multilevel Inverter Using Series Connection of Cross-Connected Sources-Based Submultilevel Inverters
157(1)
6.7 Cascaded Multilevel Inverter With Symmetric Sources
158(10)
6.7.1 Control Scheme
159(1)
6.7.2 Simulation Study
160(1)
6.7.3 Experimental Verification
161(7)
6.8 Cascaded Multilevel Inverter With Asymmetric Sources
168(9)
6.8.1 Control Scheme
169(1)
6.8.2 Simulation Study
170(4)
6.8.3 Experimental Verification
174(3)
6.9 Summary
177(4)
References
178(3)
7 Comparison of Multilevel Inverter Topologies
7.1 Introduction
181(15)
7.1.1 Comparison With Classical Topologies
182(2)
7.1.2 Comparison With Reduced Device Count (RDC) Topologies
184(12)
7.2 Summary
196(9)
References
204(1)
Index 205
Krishna Kumar Gupta is an avid teacher, researcher, consultant and an author. Dr. Gupta is currently serving as an Associate Professor, lecturing on Power Electronics, Control Systems and Circuit Theory. In the year 2015, Dr. Gupta was conferred upon with Young Scientist Award by the Government of Madhya Pradesh, India for his research on inverters. In 2016, he has been awarded by the Confederation of Indian Industries (CII) for his contribution in teaching. Before taking up research on inverters, Dr. Gupta had varying tenures in Bharat Heavy Electricals Limited (BHEL), Tata Consultancy Services (TCS) and National Institute of Technology (NIT) Raipur, India. Post PhD, he was offered a research position at Nanyang Technological University (NTU), Singapore but he was more keen to work on development of technologies for PV based power generation for rural India.

Dr. Gupta is a Member, Institute of Electrical and Electronics Engineers (IEEE) and has authored several technical papers. He obtained his B.Tech., M.Tech. and Ph.D. degrees from Maulana Azad National Institute of Technology (MANIT), Bhopal, India. He also serves as an active reviewer for many journals of international repute. An entrepreneur, professional engineer, researcher and academician, Pallavee Bhatnagar is a Ph.D. in Power Electronics from Maulana Azad National Institute of Technology (MANIT), Bhopal. Dr. Bhatnagar is currently serving as Principal at Sagar Institute of Science and Technology, Bhopal, India. She concurrently owns and runs a technological enterprise which manufactures electrical equipment. Prior to these, she has worked as an Engineer at National Thermal Power Corporation Limited (NTPC) and All India Radio (AIR). She also works for the social upliftment of women through science and technology and has been honored by the Member of Parliament, Bhopal for the same.

Dr. Bhatnagar is a passionate teacher too. Her subjects of special interests are Electrical Machines, Power Electronics and Control Systems. In addition, she is also heading a research on development of efficient power electronics drivers for HBLEDs under the National Perspective Plan (NPP) funded by the Ministry of Power, Government of India through Central Power Research Institute (CPRI), Bangalore, India. Dr. Bhatnagar is a Member, Institute of Electrical and Electronics Engineers (IEEE) and Life Member, Institutions of Engineers India (IEI). She has several research papers to her credit.