Wireless Power Transfer By Using Magnetically Coupled Resonators PDF Download
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| Author | : Ali Agcal |
| Publisher | : |
| Total Pages | : |
| Release | : 2016 |
| Genre | : Technology |
| ISBN | : |
Download Wireless Power Transfer by Using Magnetically Coupled Resonators Book in PDF, ePub and Kindle
In this chapter, a wireless power transmission system based on magnetic resonance coupling circuit was carried out. Mathematical expressions of optimal coupling coefficients were examined with the coupling model. Equivalent circuit parameters were calculated with Maxwell 3D software, and then, the equivalent circuit was solved using MATLAB technical computing software. The transfer efficiency of the system was derived using the electrical parameters of the equivalent circuit. System efficiency was analyzed depending on the different air gap values for various characteristic impedances using PSIM circuit simulation software. Since magnetic resonance coupling involves creating a resonance and transferring the power without the radiation of electromagnetic waves, resonance frequency is a key parameter in system design. The aim of this research was to define the efficiency according to variations of coefficients in wireless power transfer (WPT) system. In order to do that, the calculation procedure of mutual inductance between two self-resonators is performed by Maxwell software. Equivalent circuit is solved in circuit simulator PSIM platform. The calculations show that using the parameters that are obtained by magnetic analysis can be used for the equivalent circuit which has the capability to provide the efficiency using electrical quantities. The chapter discusses the application of this approach to a coil excited by a sinusoidal voltage source and a receiver coil, which receives energy voltage and current. Both could be obtained to calculate the instantaneous power and efficiency. To do so, the waveforms for voltage and current were obtained and computed with the PSIM circuit simulator. As the air gap between the coils increased, the coupling between the coils was weakened. The impedance of the circuit varied as the air gap changed, affecting the power transfer efficiency. In order to determine the differences between the software programs, efficiency values were calculated using three kinds of software. And it is concluded that equivalent circuit analysis by means of numerical computing is proper to obtain the voltage and current waveforms. Correspondingly, transmission efficiency can be calculated using the electrical relations.
| Author | : Alan Nebrida |
| Publisher | : GRIN Verlag |
| Total Pages | : 41 |
| Release | : 2022-09-08 |
| Genre | : Technology & Engineering |
| ISBN | : 3346718298 |
Download Characterization of Resonant Coupled Inductor in a Wireless Power Transfer System Book in PDF, ePub and Kindle
Research Paper (postgraduate) from the year 2022 in the subject Engineering - Industrial Engineering and Management, , language: English, abstract: This research project uses resonant inductive coupling to transfer power wirelessly. It uses a low power supply to transmit power. The scope of this study is limited to the construction of a simplified WPT system using a resonant coupled inductor system. This study includes the matching sections, derivation of relationship between the coupling coefficient and distance and the parameters (quality factor, coupling coefficients, mutual inductance, resonance frequency) of the resonators. The researcher uses a 12V, 5W CYD LED bulb as the load to be able to distinguish easily whether the system is operating well or not. This study will not cover other possible methods in improving the efficiency of a wireless power. Wireless power transfer based on coupled magnetic resonances is a new technology in which energy can be transferred via coupled magnetic resonances in the non-radiative near-field. This paper presents the design, simulation, fabrication, and experimental characterization of a single-loop inductor that acts as the receiver and transmitter of the system. A circuit model is presented to provide a convenient reference for the analysis of the transfer characteristics of a magnetically coupled resonator system. Based on this structure, the output voltage in the receiving loop is related to different transfer distances and orientations. A given driving frequency was simulated and analyzed. The driving resonant frequency of the system is approximately 580 kHz.
| Author | : Yiming Zhang |
| Publisher | : Springer |
| Total Pages | : 130 |
| Release | : 2017-12-21 |
| Genre | : Technology & Engineering |
| ISBN | : 9811065381 |
Download Key Technologies of Magnetically-Coupled Resonant Wireless Power Transfer Book in PDF, ePub and Kindle
This thesis focuses on the key technologies involved in magnetically coupled Wireless Power Transfer (WPT). Starting from the basic structures and theories of WPT, it addresses four fundamental aspects of these systems. Firstly, it analyzes the factors affecting transfer efficiency and compares various methods for reducing the working frequency. Secondly, it discusses frequency splitting and offers a physical explanation. Thirdly, it proposes and assesses three multiple-load transfer structures. Lastly, it investigates WPT systems with active voltage-source and current-source load. As such, the thesis offers readers a deeper understanding of WPT technology, while also proposing insightful new advances.
| Author | : Youngjin Park |
| Publisher | : |
| Total Pages | : |
| Release | : 2012 |
| Genre | : |
| ISBN | : 9789533078748 |
Download Magnetically Coupled Resonance Wireless Power Transfer (MR-WPT) with Multiple Self-Resonators Book in PDF, ePub and Kindle
| Author | : Eugen Coca |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 142 |
| Release | : 2016-06-29 |
| Genre | : Technology & Engineering |
| ISBN | : 9535124676 |
Download Wireless Power Transfer Book in PDF, ePub and Kindle
Wireless power transfer techniques have been gaining researchers' and industry attention due to the increasing number of battery-powered devices, such as mobile computers, mobile phones, smart devices, intelligent sensors, mainly as a way to replace the standard cable charging, but also for powering battery-less equipment. The storage capacity of batteries is an extremely important element of how a device can be used. If we talk about battery-powered electronic equipment, the autonomy is one factor that may be essential in choosing a device or another, making the solution of remote powering very attractive. A distinction has to be made between the two forms of wireless power transmission, as seen in terms of how the transmitted energy is used at the receiving point: - Transmission of information or data, when it is essential for an amount of energy to reach the receiver to restore the transmitted information; - Transmission of electric energy in the form of electromagnetic field, when the energy transfer efficiency is essential, the power being used to energize the receiving equipment. The second form of energy transfer is the subject of this book.
| Author | : Mohamed Zellagui |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 176 |
| Release | : 2021-08-18 |
| Genre | : Technology & Engineering |
| ISBN | : 1839688017 |
Download Wireless Power Transfer Book in PDF, ePub and Kindle
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.
| Author | : Sherif Hekal |
| Publisher | : Springer |
| Total Pages | : 91 |
| Release | : 2019-05-29 |
| Genre | : Technology & Engineering |
| ISBN | : 9811380473 |
Download Compact Size Wireless Power Transfer Using Defected Ground Structures Book in PDF, ePub and Kindle
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.
| Author | : Farid Jolani |
| Publisher | : |
| Total Pages | : |
| Release | : 2015 |
| Genre | : |
| ISBN | : |
Download WIRELESS POWER TRANSFER VIA MAGNETIC RESONANT COUPLING. Book in PDF, ePub and Kindle
| Author | : Naoki Shinohara |
| Publisher | : Energy Engineering |
| Total Pages | : 297 |
| Release | : 2018-06 |
| Genre | : Technology & Engineering |
| ISBN | : 1785613464 |
Download Wireless Power Transfer Book in PDF, ePub and Kindle
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.
| Author | : Johnson I. Agbinya |
| Publisher | : CRC Press |
| Total Pages | : 767 |
| Release | : 2022-09-01 |
| Genre | : Technology & Engineering |
| ISBN | : 1000793338 |
Download Wireless Power Transfer Book in PDF, ePub and Kindle
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.
