Aviva brecher, principal technical advisor, and mr. Here, the power levels are calculated by combining the above parameters together, and adding in the. Starting from seeing this website, you have actually tried to start loving checking out a publication wireless power transfer, 2nd edition, by johnson i. Rfid, and wireless power transfer wpt based on inductive coupling and. Rss216 sets out the minimum requirements for wireless power transfer devices. The main objective of this project is to develop a device for wireless power transfer. Some of these devices might not even need their bulky batteries to operate. However, existing solutions are limited to near contact distances and do not provide the geometric freedom to enable automatic and unaided charging. This model has been well analyzed and discussed by agbinya et al. The lumped circuit model of the system is also shown in figure 1.
Wireless power transfer wireless power transfer is the transmission of electrical energy from a power source to an electrical load without interconnecting conductors. Strongly coupled magnetic resonance can work over the midrange distance, defined as several times the resonator size. Review and evaluation of wireless power transfer wpt for electric transit applications 5. Results of our research on the feasibility of using resonant objects, strongly coupled through the tails of their nonradiative modes, for midrange i. Wireless energy transfer or witricity wireless electricity transfers electricity instead of data. Thus, this is all about wireless power transmission, wireless power transfer circuit working and its applications which include simple electronic devices like mobile phones, mobile chargers, etc wireless power transfer not only reduces the risk of shock and. Modulating wireless power signal to carry data bidirectionally. The base station was to supply wireless electrical energy to a distant receiver. Wireless power transfer river publishers series in communications agbinya, johnson i. Wireless power transfer circuit and its working elprocus. Launched in 2014, wireless power transfer is the first journal dedicated to publishing original research and industrial developments relating to wireless power. In the industrial applications, the effect of power combining and delivering in. Active textile antenna developed by combining hybrid fabrication tech niques with. We introduce quasistatic cavity resonance qscr, which can enable purposebuilt structures.
David arthur pe, division chief, energy analysis and sustainability division, energy and environmental systems technical center 7. Wireless power transmission imperial college london. Index termscoils, compensation, electric vehicle ev. The goal of the project was to develop a wireless power transfer wpt system and implement it in innovative flooring.
A transition period of six months is provided, within which compliance with. The power could be transmitted to the places where the wired transmission is not possible. Nikola teslas dream in the early 20th century of a world wireles. Wireless power transfer wpt, wireless power transmission, wireless energy transmission wet, or electromagnetic power transfer is the transmission of electrical energy without wires as a physical link.
In particular, we introduced a selector between the transmitter coil and the power source shown in figure 2, and made it possible to select the connection path among the transmitter coils and the power source. This book is a collection of contemporary research and developments in the area of wireless power transfer technology. Top wireless power transfer companies ventureradar. Baarman, david w schwannecke, joshua december 2009. Lots about inductors, q factor, ac losses and what this all means for practical implementations of wireless power transmission. Wireless power transfer massachusetts institute of.
With todays portable devices demanding an increasing amount of power, and higherpower batteries requiring more advanced control systems, engineers must now consider a number of safety risks in new and existing designs. Wireless power transfer principles and engineering. Agbinya this is specialized site that market hundreds compilations of books wireless power transfer, 2nd edition, by johnson i. Wireless power transfer river publishers series in. Technological inductive power transfer systems sciendo. Wireless power transfer system niwe project youtube. Pdf we propose a cuttable wireless power transfer sheet which allows users. Number of household points receives electricity at the same frequency using.
It involves the use of laser beam to transfer power in form of light energy, which is converted to electric energy at the receiver end. Wireless power transfer can make a remarkable change in the field of the electrical engineering which eliminates the use conventional copper cables and current carrying wires. Wireless power transmission through solar power system. Quasistatic cavity resonance for ubiquitous wireless power. Wireless power transferjohnson i agbinya free ebook download as pdf file. Free pdf wireless power transfer, 2nd edition, by johnson i. It represents the stateoftheart at the time of writing, and addresses a unique subject of great international interest in terms of research.
Agbinya is the author of wireless power transfer 4. An innovative idea 209 need for wireless power transmission wireless transmission is employed in cases where instantaneous or continuous energy transfer is needed, but interconnecting wires are inconvenient, hazardous, or impossible. Wireless power delivery has the potential to seamlessly power our electrical devices as easily as data is transmitted through the air. Multidimensional inductive wpt that uses a cellular approach was adopted by agbinya and.
This system has been tested in a real industrial plant. Principles and engineering explorations, encompasses theory and engineering technology, which are of interest for diverse classes of wireless power transfer. Qicompliant contactless charging, not only meets wireless power consortium specifications, it is an option for any device that is powered by a. Wireless power transfer is the second edition of a well received first book, which published in 2012. Wireless power transfer via strongly coupled magnetic. The laser gets powered using sources like sun or any electricity generator and accordingly generates high intensity focused light. Opportunities and challenges for nearfield wireless power transfer. Wireless power transfer using microcontroller chinmay kolwalkar1, akhilesh chawla 2 1,2 final year student, electronics and telecommunications department, atharva college of engineering, university of mumbai mumbai, maharashtra, india abstract one cannot imagine world without electricity. Commonly referred to as dynamic wireless power transfer. An nsection waveguide extends this simple formulation by using n. A developers guide apec2017 industry session 2630 march 2017 tampa, fl dr. Wireless power transfer wpt devices operating at frequencies above 9 khz are intentional radiators and are subject to either part 15 andor part 18 of the fcc rules. A method of detecting whether a receiver coil is near a transmit coil in a wireless power transfer system wpts, the method involving. The concept of wireless power transfer was realized by nikolas tesla.
It was first studied by the serbianamerican physicist nikola tesla in late 1800s. Wireless information and power transfer in multiuser ofdm. Prasad shastry department of electrical and computer engineering november 26, 20. The specific applicable rule part depends on how the device operates, and if there is communication between the charger and device being charged. Even mobile transmitters and receivers can be chosen for the wireless power transfer system. Wireless information and power transfer in multiuser ofdm systems xun zhou, rui zhang, member, ieee, and chin keong ho, member, ieee abstractin this paper, we study the optimal design for simultaneous wireless information and power transfer swi pt in downlink multiuser orthogonal frequency division multiplexing.
Wireless power transfer river publishers series in communications. Safe, efficient, and over distance background the idea of transmitting power through the air has been around for over a century, with nikola teslas pioneering ideas and experiments perhaps being the most wellknown early attempts to do so 1. Wireless power transfer wpt, wireless power transmission, wireless energy transmission. Survey and roadmap xiaolin mou, student member, ieee and hongjian sun, member, ieee abstract wireless power transfer wpt technologies have been widely used in many areas, e.
Ebook free pdf wireless power transfer, 2nd edition. Pdf wireless power transfer for vehicular applications. Agbinya, wireless power transfer, river publishers, isbn. Threedimensional wireless power transfer method to. The journal pulls together research from across the field, covering aspects such as rf technology, nearfield energy transfer, energy conversion and management, electromagnetic harvesting, novel materials and. Pdf a cuttable wireless power transfer sheet researchgate. I talk about magnetically coupled wireless electricity technology. Wave wireless advanced vehicle electrification is commercializing wireless energy transfer technologies for the electric vehicle ev market in north america by partnering with the global leaders in vehicle wireless power transfer wpt technology. Agbinya, splitting frequency diversity in wireless power. Chapter 2 analysis of wireless power transfer by coupled mode theory cmt and practical considerations to increase power transfer efficiency 19 alexey bodrov and seungki sul chapter 3 magnetically coupled resonance wireless power transfer mrwpt with multiple selfresonators 51 youngjin park, jinwook kim and kwanho kim. Wireless power transfer by magnetic resonant coupling. In a wireless power transmission system, a transmitter device, driven by electric power from a power source, generates a timevarying electromagnetic field, which transmits. Niwe is a european project that has developed an induction system prototype in order to improve the efficiency of industrial furnaces. Imagine a future in which wireless power transfer is feasible.
Loss of transmission is negligible level in the wireless power. Abstractwireless power transmission wpt is an emerging technology that is. Review and evaluation of wireless power transfer wpt for. Wireless power transmission system has more freedom of choice of both receiver and transmitters. This book builds upon that dream and is a result of intensive research in powerline, machine to machine communications, and wireless power transfer globally. This paper proposes a wireless power transfer system that consists of a transmitter with a resonator and a receiver without a resonator.
This system utilizes magnetic coupling and resonance. Getting rid of cables for the ease of operators of medical devices. Rss216 issue 1, wireless power transfer devices wireless chargers, published in september 2014. Wireless power transfer via strongly coupled magnetic resonances pdf. The project was done at nextfloor oy, a company based in helsinki, finland.