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A General Theory Of Wireless Power Transfer Via Inductive Links
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Book Synopsis A General Theory of Wireless Power Transfer Via Inductive Links by : Jiacheng Pan
Download or read book A General Theory of Wireless Power Transfer Via Inductive Links written by Jiacheng Pan and published by . This book was released on 2015 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a comprehensive theory of wireless power transfer via inductive links. Design-oriented analysis is used to offer a different and insightful perspective. This thesis analyzes different architectures of wireless power transfer and different ways to realize stable power delivery over distance variations. Among various techniques for maintaining stable power delivery, a frequency-adapting architecture is proposed and implemented, in which an oscillator is used as the driver as compared with the traditional implementation of using power amplifier as the driver. The experimental results indicate that oscillator driven wireless power transfer system could self-tune to the optimal frequency and maintain stable power delivery over distance variation at a high power transfer efficiency.
Book Synopsis Inductive Links for Wireless Power Transfer by : Pablo Pérez-Nicoli
Download or read book Inductive Links for Wireless Power Transfer written by Pablo Pérez-Nicoli and published by Springer Nature. This book was released on 2021-07-10 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a system-level analysis of inductive wireless power transfer (WPT) links. The basic requirements, design parameters, and utility of key building blocks used in inductive WPT links are presented, followed by detailed theoretical analysis, design, and optimization procedure, while considering practical aspects for various application domains. Readers are provided with fundamental, yet easy to follow guidelines to help them design high-efficiency inductive links, based on a set of application-specific target specifications. The authors discuss a wide variety of recently proposed approaches to achieve the maximum efficiency point, such as the use of additional resonant coils, matching networks, modulation of the load quality factor (Q-modulation), and adjustable DC-DC converters. Additionally, the attainability of the maximum efficiency point together with output voltage regulation is addressed in a closed-loop power control mechanism. Numerous examples, including MATLAB/Octave calculation scripts and LTspice simulation files, are presented throughout the book. This enables readers to check their own results and test variations, facilitating a thorough understanding of the concepts discussed. The book concludes with real examples demonstrating the practical application of topics discussed. Covers both introductory and advanced levels of theory and practice, providing readers with required knowledge and tools to carry on from simple to advanced wireless power transfer concepts and system designs; Provides theoretical foundation throughout the book to address different design aspects; Presents numerous examples throughout the book to complement the analysis and designs; Includes supplementary material (numerical and circuit simulation files) that provide a "hands-on" experience for the reader; Uses real examples to demonstrate the practical application of topics discussed.
Book Synopsis Wireless Power Transfer by : Johnson I. Agbinya
Download or read book Wireless Power Transfer written by Johnson I. Agbinya and published by CRC Press. This book was released on 2022-09-01 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nikola Tesla's dream in the early 20th century of a "World Wireless System" led him to build the Wardenclyffe Tower, a prototype base station serving as an emitter for his "World Wireless System". The base station was to supply wireless electrical energy to a distant receiver. This book builds upon that dream and is a result of intensive research interest in powerline, machine to machine communications and wireless power transfer globally. Wireless energy transfer or Witricity (WIreless elecTRICITY) transfers electricity instead of data. The technology is useful in cases where instantaneous or continuous energy is needed but interconnecting wires are inconvenient, hazardous, or impossible. The transfer is made through inductive coupling and electromagnetic radiation. Inductive coupling provides optimum power delivery to a receiver load if both the emitter and the receiver achieve magnetic resonance concurrently. Energy transfer systems mostly use antennas operating in their near field regions. As fossil energy sources are being depleted rapidly worldwide and oil prices soar, solar energy enhanced with wireless power transfer (WPT) have become reasonable alternatives for renewable energy and power harvesting. They are finding use in transportation, electric and hybrid vehicles, very fast trains and the emerging field of Internet of Things. This book is written by the leading experts on wireless energy transfer technology and its applications. It introduces and explains the technology in great details and provides the theory and practice of WPT through the two approaches of coupled mode theory and circuit theory. Both approaches are dependent on resonance techniques. The level of presentation is suitable for design and training. In depth coverage is provided on near field concepts; coupled-mode theory and models; circuit models of inductive antennas; radiative and inductive wireless power transfer, wireless power relay concepts, optimization techniques for wireless power transfer systems, control of wireless power transfer systems, wireless charging concepts; wireless energy transfer applications in electric vehicles, embedded medical systems and propagation in human tissues. Each chapter is written by experts on a selected aspect of wireless energy transfer. The authors have gone to great lengths to provide worked examples to assist the reader in working through some of the difficult concepts and to allow more understanding. The book is an excellent foundation for applying wireless energy transfer technologies in most fields including transportation, communication, home automation, biomedical systems and home appliances. The book is recommended to practitioners and engineers in the power industry, students in universities and research institutes. Honours and post graduate students in Physics, electrical/electronic engineering and computer science will find the book easy to read and apply because of the mode of presentation.
Book Synopsis Wireless Power Transfer by : Naoki Shinohara
Download or read book Wireless Power Transfer written by Naoki Shinohara and published by Energy Engineering. This book was released on 2018-06 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the very latest in theory and technology for Wireless Power Transfer (WPT), for both coupling as well as radiative WPT. It describes the theory as well as the technology and applications.
Book Synopsis Wireless Power Transfer by : Johnson I. Agbinya
Download or read book Wireless Power Transfer written by Johnson I. Agbinya and published by CRC Press. This book was released on 2022-09-01 with total page 767 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless Power Transfer is the second edition of a well received first book, which published in 2012. It represents the state-of-the-art at the time of writing, and addresses a unique subject of great international interest in terms of research. Most of the chapters are contributed by the main author, though as in the first edition several chapters are contributed by other authors. The authors of the various chapters are experts in their own right on the specific topics within wireless energy transfer. Compared to the first edition, this new edition is more comprehensive in terms of the concepts discussed, and the range of current industrial applications which are presented, such as those of magnetic induction. From the eleven chapters of the first edtion, this second edition has expanded to twenty chapters. More chapters on the theoretical foundations and applications have been included. This new edition also contains chapters which deal with techniques for reducing power losses in wireless power transfer systems. In this regard, specific chapters discuss impedance matching methods, frequency splitting and how to deploy systems based on frequency splitting. A new chapter on multi-dimensional wireless power transfer has also been added. The design of wireless power transfer systems based on bandpass filtering approach has been included, in addition to the two techniques using couple mode theory and electronic circuits.The book has retained chapters on how to increase efficiency of power conversion and induction, and also how to control the power systems. Furthermore, detailed techniques for power relay, including applications, which were also discussed in the first edition, have been updated and kept. The book is written in a progressive manner, with a knowledge of the first chapters making it easier to understand the later chapters. Most of the underlying theories covered in the book are clearly relevant to inductive near field communications, robotic control, robotic propulsion techniques, induction heating and cooking and a range of mechatronic systems.
Book Synopsis Wireless Power Transfer by : Naoki Shinohara
Download or read book Wireless Power Transfer written by Naoki Shinohara and published by . This book was released on 2018 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book has 13 chapter. Chapter 1 covers the introduction. Chapter 2 and 3 presents the basic theory of inductive coupling and resonance coupling WPT. Chapter 4 is intended for multihop wireless power transmission. Chapter 5 outlined the circuit theory on wireless couplers. Chapter 6 discussed the inverter/rectifier technologies on WPT systems. Chapter 7 and 8 covers the basic theory of wireless power transfer via radio waves. Chapter 8 is for technologies of antenna and phased array for wireless power transfer via radio waves. Chapter 9 outlined the transmitter/rectifier technologies in WPT via radio waves. Chapter 10 is for applications of coupling WPT for electric vehicle. Chapter 11 discussed the applications of long-distance wireless power transfer. Chapter 12 presents the biological issue of electromagnetic fields and waves and the last chapter discussed the impact of electromagnetic interference arising from wireless power transfer upon implantable medical device.
Book Synopsis Modelling of Wireless Power Transfer by : Ben Minnaert
Download or read book Modelling of Wireless Power Transfer written by Ben Minnaert and published by MDPI. This book was released on 2021-03-05 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless power transfer allows the transfer of energy from a transmitter to a receiver across an air gap, without any electrical connections. Technically, any device that needs power can become an application for wireless power transmission. The current list of applications is therefore very diverse, from low-power portable electronics and household devices to high-power industrial automation and electric vehicles. With the rise of IoT sensor networks and Industry 4.0, the presence of wireless energy transfer will only increase. In order to improve the current state of the art, models are being developed and tested experimentally. Such models allow simulating, quantifying, predicting, or visualizing certain aspects of the power transfer from transmitter(s) to receiver(s). Moreover, they often result in a better understanding of the fundamentals of the wireless link. This book presents a wonderful collection of peer-reviewed papers that focus on the modelling of wireless power transmission. It covers both inductive and capacitive wireless coupling and includes work on multiple transmitters and/or receivers.
Book Synopsis Wireless Power Transfer by : Mohamed Zellagui
Download or read book Wireless Power Transfer written by Mohamed Zellagui and published by BoD – Books on Demand. This book was released on 2021-08-18 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless power transfer (WPT) is a promising technology used to transfer electric energy from a transmitter to a receiver wirelessly without wires through various methods and technologies using time-varying electric, magnetic, or electromagnetic fields. It is an attractive solution for many industrial applications due to its many benefits over wired connections. This book discusses the theory and practical aspects of WPT technology.
Book Synopsis Recent Wireless Power Transfer Technologies via Radio Waves by : Naoki Shinohara
Download or read book Recent Wireless Power Transfer Technologies via Radio Waves written by Naoki Shinohara and published by CRC Press. This book was released on 2022-09-01 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless Power Transfer (WPT) is considered to be an innovative game changing technology. The same radio wave and electromagnetic field theory and technology for wireless communication and remote sensing is applied for WPT. In conventional wireless communication systems, information is “carried” on a radio wave and is then transmitted over a distance. In WPT however, the energy of the radio wave itself is transmitted over a distance. Wireless communication technology has proven to be extremely useful, however in future it should be even more useful to apply both wireless communication and wireless power technologies together.There are various WPT technologies, e.g. inductive near field WPT, resonance coupling WPT, WPT via radio waves, and laser power transfer. Recent Wireless Power Transfer Technologies via Radio Waves focusses on recent technologies and applications of the WPT via radio waves in far field. The book also covers the history, and future, of WPT via radio waves, as well as safety, EMC and coexistence of radio waves for WPT.Technical topics discussed in the book include: Radio Wave Generation Radio Wave Amplification with Solid States Circuit and Microwave Tubes Antenna and Beam Forming Technologies Radio Wave Conversion/Rectification to Electricity Battery-less Sensor Applications toward Internet of Things (IoT) Solar Power Satellite Application Safety, EMC, Coexistence of Radio Waves for the WPTWPT is an old technology based on the basic theory of radio waves, however WPT is also a state-of-the-art technology for the latest applications in IoT, sensor networks, wireless chargers for mobile phones, and solar power satellite. The theory behind these technologies, as well as applications, are explained in this book.
Book Synopsis Theory and Technology of Wireless Power Transfer by : Naoki Shinohara
Download or read book Theory and Technology of Wireless Power Transfer written by Naoki Shinohara and published by CRC Press. This book was released on 2024-03-29 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shinohara and co-authors present a comprehensive and in-depth discussion of all current wireless power transfer (WPT) methods and meet the growing need for a detailed understanding of the advantages, disadvantages, and applications of each method. WPT is a game-changing technology, not only for IoT networks and sensors, but also for mobile chargers, long-flying drones, solar-powered satellites, and more, and the list of potential applications will continue to grow. Each author’s chapter is based on a minimum of 13 years and a maximum of over 30 years of research experience on selected WPT technologies to explain the theory and advantages and disadvantages of this to various applications. The book provides an insight into WPT theories and technologies, including inductive coupling for short-distance WPT, radio waves for long-distance WPT, optical WPT using lasers, supersonic WPT in water, and more. The characteristics of each WPT method are compared theoretically and technically. The differences of each WPT method are explained with reference to the different theories, techniques, and suitable applications. The reader will gain an understanding of the recent and future commercial market and regulations regarding WPT. They will be able to apply this knowledge to select the appropriate WPT method for their desired application. This book is appropriate for students, WPT researchers, and engineers in industry who are developing WPT applications.
Book Synopsis Recent Wireless Power Transfer Technologies by : Pedro Pinho
Download or read book Recent Wireless Power Transfer Technologies written by Pedro Pinho and published by BoD – Books on Demand. This book was released on 2020-03-04 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Wireless Power Transfer concept is continuously and rapidly evolving and new challenges arise every day. As a result of these rapid changes, the need for up-to-date texts that address this growing field from an interdisciplinary perspective persists. This book, organized into ten chapters, presents interesting novel solutions in the exploitation of the near- and far-field techniques of wireless power transfer that will be used in the near future, as well as a bird's eye view of some aspects related to an emerging technological area that will change our lives and will change the paradigm of how we use electrical equipment. The book covers the theory and also the practical aspects of technology implementation in a way that is suitable for undergraduate and graduate-level students, as well as researchers and professional engineers.
Author :Koenraad van Schuylenbergh Publisher :Springer Science & Business Media ISBN 13 :9048124123 Total Pages :223 pages Book Rating :4.0/5 (481 download)
Book Synopsis Inductive Powering by : Koenraad van Schuylenbergh
Download or read book Inductive Powering written by Koenraad van Schuylenbergh and published by Springer Science & Business Media. This book was released on 2009-05-31 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inductive powering has been a reliable and simple method for many years to wirelessly power devices over relatively short distances, from a few centimetres to a few feet. Examples are found in biomedical applications, such as cochlear implants; in RFID, such as smart cards for building access control; and in consumer devices, such as electrical toothbrushes. Device sizes shrunk considerably the past decades, demanding accurate design tools to obtain reliable link operation in demanding environments. With smaller coil sizes, the link efficiency drops dramatically to a point where the commonly used calculation methods become invalid. Inductive Powering: Basic Theory and Application to Biomedical Systems lists all design equations and topology alternatives to successfully build an inductive power and data link for your specific application. It also contains practical guidelines to expand the external driver with a servomechanism that automatically tunes itself to varying coupling and load conditions.
Book Synopsis Wireless Power Transmission by Tesla Coil by : Ashish Thakur
Download or read book Wireless Power Transmission by Tesla Coil written by Ashish Thakur and published by Independently Published. This book was released on 2018-10-07 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technology for wireless power transfer (WPT) is in the forefront of electronic development. Applications involving microwaves, solar cells, lasers, and resonance of electromagnetic waves have had the most recent success with WPT. The main function of wireless power transfer is to allow electrical devices to be continuously charged and lose the constraint of a power cord. Although the idea is only a theory and not widely implemented yet, extensive research dating back to the 1850
Book Synopsis DIRECTIONAL & OMNIDIRECTIONAL by : Cheng Zhang
Download or read book DIRECTIONAL & OMNIDIRECTIONAL written by Cheng Zhang and published by Open Dissertation Press. This book was released on 2017-01-26 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Directional and Omnidirectional Inductively Coupled Wireless Power Transfer Systems" by Cheng, Zhang, 張騁, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: This thesis presents the analysis and design methods of directional and omnidirectional inductively coupled wireless power transfer systems. Such system utilizes multiple coils to generate high frequency alternating magnetic fields in space and allows receivers to pick up power wirelessly in any position. The objective of optimization is to achieve the maximum power efficiency. Such kind of system allows the mobile devices to be continuously charged without staying on a fixed place. Self- and mutual- inductance values of the coils are critical parameters that affect the power efficiency of a wireless power transfer system. An improved numerical calculation method is proposed and is presented in this thesis. It combines the theory of partial equivalent element circuit (PEEC) and empirical equations for calculating certain types of straight conductors. The segmentation method to discretize the conductor is optimized and verified. The accuracy of the proposed method has been tested and compared to both theoretical equations and measurements of practical coils, and is proved to be accurate. The time-varying magnetic fields induced by the coils in a wireless power transfer system is the \transporter" of the energy. A time-efficient visualization method is proposed and is presented in this thesis. While commercial finite element analysis (FEA) software such as ANSYS Maxwell can perform transient analysis, the execution time is extremely long as the accuracy greatly depends on the simulation time steps and the number of iterations. The proposed method calculates the time-instant currents in coils with the derived mathematic model and then directly plots the time-varying magnetic fields. The execution time is shortened to a few of minutes on a desktop computer while the FEA solver takes a couple of hours on the same model. Several types of multiple-coil systems are analyzed with their magnetic field patterns. To transmit power to arbitrary directions, the magnetic field must be controlled with its directions. According to the principle of superposition, a three-orthogonal-coil transmitter structure is proposed. Several current control methods are discussed to achieve omnidirectional wireless power characteristics. One is a continuous scanning type current scheme. The receivers placed in the designated area can receive power with any locations and angles. Another one is a discrete scanning type. It can be used to detect the load position and therefore delivering power to the load with the maximum power efficiency of the overall system. Simulations and experiments have been carried out to verify the theory and they agreed well. While the aforesaid omnidirectional system adopts the special three-orthogonal-coil structure, the theory is generalized to arbitrary numbers of transmitters. It is proved by mathematical derivation that in a system with multiple transmitters and single receiver, there exists an optimal efficiency point when currents in the transmitter coils fulfill the certain relationships, regardless of the compensation scheme of the circuit, the use of magnetic materials and the shapes of the coils. An implementable method to calculate the optimal currents in a practical multiple-transmitter-single-receiver system is also provided. The generalized theory is verified by both simulations and experiments. Subjects: Electric power transmission
Book Synopsis Wireless Power Transfer for Electric Vehicles: Foundations and Design Approach by : Alicia Triviño-Cabrera
Download or read book Wireless Power Transfer for Electric Vehicles: Foundations and Design Approach written by Alicia Triviño-Cabrera and published by Springer Nature. This book was released on 2019-09-19 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the fundamentals and applications of wireless power transfer (WPT) in electric vehicles (EVs). Wireless power transfer (WPT) is a technology that allows devices to be powered without having to be connected to the electrical grid by a cable. Electric vehicles can greatly benefit from WPT, as it does away with the need for users to manually recharge the vehicles’ batteries, leading to safer charging operations. Some wireless chargers are available already, and research is underway to develop even more efficient and practical chargers for EVs. This book brings readers up to date on the state-of-the-art worldwide. In particular, it provides: • The fundamental principles of WPT for the wireless charging of electric vehicles (car, bicycles and drones), including compensation topologies, bi-directionality and coil topologies. • Information on international standards for EV wireless charging. • Design procedures for EV wireless chargers, including software files to help readers test their own designs. • Guidelines on the components and materials for EV wireless chargers. • Review and analysis of the main control algorithms applied to EV wireless chargers. • Review and analysis of commercial EV wireless charger products coming to the market and the main research projects on this topic being carried out worldwide. The book provides essential practical guidance on how to design wireless chargers for electric vehicles, and supplies MATLAB files that demonstrate the complexities of WPT technology, and which can help readers design their own chargers.
Book Synopsis Compact Size Wireless Power Transfer Using Defected Ground Structures by : Sherif Hekal
Download or read book Compact Size Wireless Power Transfer Using Defected Ground Structures written by Sherif Hekal and published by Springer. This book was released on 2019-05-29 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the design challenges in near-field wireless power transfer (WPT) systems, such as high efficiency, compact size, and long transmission range. It presents new low-profile designs for the TX/RX structures using different shapes of defected ground structures (DGS) like (H, semi-H, and spiral-strips DGS). Most near-field WPT systems depend on magnetic resonant coupling (MRC) using 3-D wire loops or helical antennas, which are often bulky. This, in turn, poses technical difficulties in their application in small electronic devices and biomedical implants. To obtain compact structures, printed spiral coils (PSCs) have recently emerged as a candidate for low-profile WPT systems. However, most of the MRC WPT systems that use PSCs have limitations in the maximum achievable efficiency due to the feeding method. Inductive feeding constrains the geometric dimensions of the main transmitting (TX)/receiving (RX) resonators, which do not achieve the maximum achievable unloaded quality factor. This book will be of interest to researchers and professionals working on WPT-related problems.
Book Synopsis Wireless Information and Power Transfer by : Derrick Wing Kwan Ng
Download or read book Wireless Information and Power Transfer written by Derrick Wing Kwan Ng and published by John Wiley & Sons. This book was released on 2019-01-29 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: em style="mso-bidi-font-style: normal;"Wireless Information and Power Transfer offers an authoritative and comprehensive guide to the theory, models, techniques, implementation and application of wireless information and power transfer (WIPT) in energy-constrained wireless communication networks. With contributions from an international panel of experts, this important resource covers the various aspects of WIPT systems such as, system modeling, physical layer techniques, resource allocation and performance analysis. The contributors also explore targeted research problems typically encountered when designing WIPT systems.
