Hybrid Dc Dc Converters For Smart Integrated Power Delivery
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Hybrid Dc Dc Converters For Smart Integrated Power Delivery
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Author : Casey Hardy
language : en
Publisher:
Release Date : 2022
Hybrid Dc Dc Converters For Smart Integrated Power Delivery written by Casey Hardy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
The continual increase in performance and feature densities of small form factor mobile products has driven the need for high-capacity batteries and thus battery charger solutions with higher power-delivery densities to meet the demand for reduced charging times. The USB- C power delivery specification was developed to meet these higher demands by providing a programmable VBUS voltage range of 5-20 V with up to 100 W of power delivery, which serves as the input voltage (VIN) for the battery charger. A DC-DC converter that efficiently takes advantage of this wide VIN range while providing an output voltage (VO) range suitable for battery charging (e.g. 2.8V-4.2V) is challenging but highly desirable for space constrained products. Hybrid converters provide a path to meet these challenges by leveraging the benefits of both switched-capacitor (SC) and switched-inductor (SI) techniques to reduce inductor size and efficiently provide high VIN/VO voltage conversion ratios (VCRs). The former is important since inductors have substantially lower energy storage densities compared to modern capacitor technologies. Therefore, inductors tend to be the largest occupiers of board space and bill-of-material cost out of all the converter passives. Additionally, die-level or package-level integration of high quality inductors can be challenging when compared to capacitors. This work intends to address these challenges by introducing new hybrid converter topologies that reduce the energy processing required by the inductor while still achieving the VCRs needed to take advantage of the benefits offered by higher VIN charging. This reduces the reliance on large, high quality inductors to maintain high power efficiency. The first part of this dissertation provides background regarding charge-based converter analysis. The next part presents a flying inductor hybrid topology that relocates the inductor from the high output current location to lower input current location while providing multiple outputs for 1-cell and 2-cell charging. The last part presents a single inductor multi-stage hybrid converter that utilizes an inductor to couple two SC stages to provide soft-charging benefits to each stage while leveraging reconfiguration to efficiently provide a wide range of VCRs.
Power Converters For Electric Vehicles
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Author : L. Ashok Kumar
language : en
Publisher: CRC Press
Release Date : 2020-12-10
Power Converters For Electric Vehicles written by L. Ashok Kumar and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-10 with Technology & Engineering categories.
Power Converters for Electric Vehicles gives an overview, topology, design, and simulation of different types of converters used in electric vehicles (EV). It covers a wide range of topics ranging from the fundamentals of EV, Hybrid EV and its stepwise approach, simulation of the proposed converters for real-time applications and corresponding experimental results, performance improvement paradigms, and overall analysis. Drawing upon the need for novel converter topologies, this book provides the complete solution for the power converters for EV applications along with simulation exercises and experimental results. It explains the need for power electronics in the improvement of performance in EV. This book: Presents exclusive information on the power electronics of EV including traction drives. Provides step-by-step procedure for converter design. Discusses various topologies having different isolated and non-isolated converters. Describes control circuit design including renewable energy systems and electrical drives. Includes practical case studies incorporated with simulation and experimental results. Power Converters for Electric Vehicles will provide researchers and graduate students in Power Electronics, Electric Drives, Vehicle Engineering a useful resource for stimulating their efforts in this important field of the search for renewable technologies.
Integrated Power Electronic Converters And Digital Control
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Author : Ali Emadi
language : en
Publisher: CRC Press
Release Date : 2017-12-19
Integrated Power Electronic Converters And Digital Control written by Ali Emadi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-19 with Technology & Engineering categories.
Because of the demand for higher efficiencies, smaller output ripple, and smaller converter size for modern power electronic systems, integrated power electronic converters could soon replace conventional switched-mode power supplies. Synthesized integrated converters and related digital control techniques address problems related to cost, space, flexibility, energy efficiency, and voltage regulation—the key factors in digital power management and implementation. Meeting the needs of professionals working in power electronics, as well as advanced engineering students, Integrated Power Electronic Converters and Digital Control explores the many benefits associated with integrated converters. This informative text details boost type, buck type, and buck-boost type integrated topologies, as well as other integrated structures. It discusses concepts behind their operation as well specific applications. Topics discussed include: Isolated DC-DC converters such as flyback, forward, push-pull, full-bridge, and half-bridge Power factor correction and its application Definition of the integrated switched-mode power supplies Steady-state analysis of the boost integrated flyback rectifier energy storage converter Dynamic analysis of the buck integrated forward converter Digital control based on the use of digital signal processors (DSPs) With innovations in digital control becoming ever more pervasive, system designers continue to introduce products that integrate digital power management and control integrated circuit solutions, both hybrid and pure digital. This detailed assessment of the latest advances in the field will help anyone working in power electronics and related industries stay ahead of the curve.
Advanced Multiphasing Switched Capacitor Dc Dc Converters
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Author : Nicolas Butzen
language : en
Publisher: Springer Nature
Release Date : 2020-07-03
Advanced Multiphasing Switched Capacitor Dc Dc Converters written by Nicolas Butzen and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-03 with Technology & Engineering categories.
This book gives a detailed analysis of switched-capacitor DC-DC converters that are entirely integrated on a single chip and establishes that these converters are mainly limited by the large parasitic coupling, the low capacitor energy density, and the fact that switched-capacitor converter topologies only have a fixed voltage conversion ratio. The authors introduce the concept of Advanced Multiphasing as a way to circumvent these limitations by having multiple out-of-phase parallel converter cores interact with each other to minimize capacitor charging losses, leading to several techniques that demonstrate record efficiency and power-density, and even a fundamentally new type of switched-capacitor topology that has a continuously-scalable conversion ratio. Provides single-source reference to the recently-developed Advanced Multiphasing concept; Enables greatly improved performance and capabilities in fully integrated switched-capacitor converters; Enables readers to design DC-DC converters, where multiple converter cores are put in parallel and actively interact with each other over several phases to improve their capabilities.
High Frequency Isolated Bidirectional Dual Active Bridge Dc Dc Converters With Wide Voltage Gain
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Author : Deshang Sha
language : en
Publisher: Springer
Release Date : 2018-05-17
High Frequency Isolated Bidirectional Dual Active Bridge Dc Dc Converters With Wide Voltage Gain written by Deshang Sha and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-17 with Technology & Engineering categories.
Written by experts, this book is based on recent research findings in high-frequency isolated bidirectional DC-DC converters with wide voltage range. It presents advanced power control methods and new isolated bidirectional DC-DC topologies to improve the performance of isolated bidirectional converters. Providing valuable insights, advanced methods and practical design guides on the DC-DC conversion that can be considered in applications such as microgrid, bidirectional EV chargers, and solid state transformers, it is a valuable resource for researchers, scientists, and engineers in the field of isolated bidirectional DC-DC converters.
Design And Testing Of A Smart High Power Smart Dc Dc Converter
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Author : Chandra Shekar Patil
language : en
Publisher:
Release Date : 2013
Design And Testing Of A Smart High Power Smart Dc Dc Converter written by Chandra Shekar Patil and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
The battery pack of hybrid-electric vehicles meant to drive the electric motor has sufficient capability to drive additional loads. The typical DC-DC converters used for this application operate like a black box. Without a suitable interface to the external world, this mode of operation poses a major threat of frequent failures for unknown reasons. This document describes a solution to this challenge. Sensors will be integrated into a high-power DC-DC converter; a high power microcontroller will be used to acquire sensor data that is sampled in real time. The microcontroller will also incorporate necessary software algorithms to analyze sensor data and notify external devices or users about the internal status of the DC-DC converter. A high power DC-DC converter was designed and developed suitable for catering to the power requirements of a hybrid vehicle system, the converter system has sensors that acquire the converter system's critical data. A microcontroller circuit was implemented to analyze and process the data acquired through these sensors and communicate the parameters over the vehicle network.
Emerging Power Converters For Renewable Energy And Electric Vehicles
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Author : Md. Rabiul Islam
language : en
Publisher: CRC Press
Release Date : 2021-05-30
Emerging Power Converters For Renewable Energy And Electric Vehicles written by Md. Rabiul Islam and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-30 with Technology & Engineering categories.
This book covers advancements of power electronic converters and their control techniques for grid integration of large-scale renewable energy sources and electrical vehicles. Major emphasis is on transformer-less direct grid integration, bidirectional power transfer, compensation of grid power quality issues, DC system protection and grounding, interaction in mixed AC/DC systems, AC and DC system stability, design of high-frequency high power density systems with advanced soft magnetic materials, modeling and simulation of mixed AC/DC systems, switching strategies for enhanced efficiency, and protection and reliability for sustainable grid integration. This book is an invaluable resource for professionals active in the field of renewable energy and power conversion. Md. Rabiul Islam received his PhD from the University of Technology Sydney (UTS), Australia. He was appointed as a Lecturer at Rajshahi University of Engineering & Technology (RUET) in 2005 and promoted to full-term Professor in 2017. In early 2018, he joined the School of Electrical, Computer, and Telecommunications Engineering, University of Wollongong, Australia. He is a Senior Member of IEEE. His research interests include the fields of power electronic converters, renewable energy technologies, power quality, electrical machines, electric vehicles, and smart grids. He has authored or coauthored more than 200 publications including 50 IEEE Transactions/IEEE Journal papers. He has been serving as an editor for IEEE Transactions on Energy Conversion and IEEE Power Engineering Letters, and associate editor for IEEE Access. Md. Rakibuzzaman Shah is a Senior Lecturer with the School of Engineering, Information Technology and Physical Science at Federation University Australia. He has worked and consulted with distribution network operators and transmission system operators on individual projects and has done collaborative work on a large number of projects (EPSRC project on multi-terminal HVDC, Scottish and Southern Energy multi-infeed HVDC) - primarily on the dynamic impact of integrating new technologies and power electronics into large systems. He is an active member of the IEEE and CIGRE. He has more than 70 international publications and has spoken at the leading power system conferences around the world. His research interests include future power grids (i.e., renewable energy integration, wide-area control), asynchronous grid connection through VSC-HVDC, application of data mining in power system, distribution system energy management, and low carbon energy systems. Mohd. Hasan Ali is currently an Associate Professor with the Electrical and Computer Engineering Department at the University of Memphis, USA, where he leads the Electric Power and Energy Systems (EPES) Laboratory. His research interests include advanced power systems, smart-grid and microgrid systems, renewable energy systems, and cybersecurity issues in modern power grids. Dr. Ali has more than 190 publications, including 2 books, 4 book chapters, 2 patents, 60 top ranked journal papers, 96 peer-reviewed international conference papers, and 20 national conference papers. He serves as the editor of the IEEE Transactions on Sustainable Energy and IET-Generation, Transmission and Distribution (GTD) journal. Dr. Ali is a Senior Member of the IEEE Power and Energy Society (PES). He is also the Chair of the PES of the IEEE Memphis Section.
Power Management Integrated Circuits
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Author : Mona M. Hella
language : en
Publisher: CRC Press
Release Date : 2017-12-19
Power Management Integrated Circuits written by Mona M. Hella and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-19 with Technology & Engineering categories.
Power Management Integrated Circuits and Technologies delivers a modern treatise on mixed-signal integrated circuit design for power management. Comprised of chapters authored by leading researchers from industry and academia, this definitive text: Describes circuit- and architectural-level innovations that meet advanced power and speed capabilities Explores hybrid inductive-capacitive converters for wide-range dynamic voltage scaling Presents innovative control techniques for single inductor dual output (SIDO) and single inductor multiple output (SIMO) converters Discusses cutting-edge design techniques including switching converters for analog/RF loads Compares the use of GaAs pHEMTs to CMOS devices for efficient high-frequency switching converters Thus, Power Management Integrated Circuits and Technologies provides comprehensive, state-of-the-art coverage of this exciting and emerging field of engineering.
Non Isolated Dc Dc Converters For Renewable Energy Applications
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Author : Frede Blaabjerg
language : en
Publisher: CRC Press
Release Date : 2021-04-22
Non Isolated Dc Dc Converters For Renewable Energy Applications written by Frede Blaabjerg and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-22 with Technology & Engineering categories.
Photovoltaic (PV) energy generation is an excellent example of large-scale electric power generation through various parallel arrangements of small voltage-generating solar cells or modules. However, PV generation systems require power electronic converters system to satisfy the need for real-time applications or to balance the demand for power from electric. Therefore, a DC-DC power converter is a vital constituent in the intermediate conversion stage of PV power. This book presents a comprehensive review of various non-isolated DC-DC power converters. Non-isolated DC-DC converters for renewable energy system (RES) application presented in this book 1st edition through a detailed original investigation, obtained numerical/experimental results, and guided the scope to design new families of converters: DC-DC multistage power converter topologies, Multistage "X-Y converter family", Nx IMBC (Nx Interleaved Multilevel Boost Converter), Cockcroft Walton (CW) Voltage Multiplier-Based Multistage/Multilevel Power Converter (CW-VM-MPC) converter topologies, and Z-source and quasi Z-source. Above solutions are discussed to show how they can achieve the maximum voltage conversion gain ratio by adapting the passive/active component within the circuits. For assessment, we have recommended novel power converters through their functionality and designs, tested and verified by numerical software. Further, the hardware prototype implementation is carried out through a flexible digital processor. Both numerical and experimental results always shown as expected close agreement with primary theoretical hypotheses. This book offers guidelines and recommendation for future development with the DC-DC converters for RES applications based on cost-effective, and reliable solutions.
Power Electronic Converter Configuration And Control For Dc Microgrid Systems
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Author : Jens Bo Holm-Nielsen
language : en
Publisher: MDPI
Release Date : 2020-11-13
Power Electronic Converter Configuration And Control For Dc Microgrid Systems written by Jens Bo Holm-Nielsen and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-13 with Technology & Engineering categories.
The DC/AC microgrid system is a crucial empowering technology for the integration of various types of renewable energy sources (RES) accompanied by a smart control approach to enhance the system reliability and efficiency. This book presents cutting-edge technology developments and recent investigations performed with the help of power electronics. Large-scale renewable energy integration presents challenges and issues for power grids. In particular, these issues include microgrid adaption to RES, AC machines, the new configuration of AC/DC converters, and electrification of domestic needs with optimal cost expenses from domestic standalone microgrids. Furthermore, this book elaborates cutting-edge developments in electric vehicle fast charging configuration, battery management, and control schemes with renewable energies through hardware-in-loop testing and validation for performance durability in real-time application. Overall, the book covers the diverse field of microgrids, allowing readers to adopt new technologies and prepare for future power demands with sustainable green engineering.