As it is in radiative mode, most of the power was wasted and has less efficiency. Of course, i didnt want to double up the workload and thus, found a. Coupled resonators are two objects of the same resonant frequency that exchange energy efficiently without much leakage. In this paper, a witricitybased highpower device is proposed for wireless charging of electric vehicles. Wireless electricity or witricity seminar report,pdf,ppt. Introduction to wireless networks when you invent a new network. In 1899, sir nikola tesla proposed a method of wireless power transmission. Advantages no need of line of sight in witricity power transmission there is any. Witricity, a portmanteau for wireless electricity, is a term which describes wireless energy transfer, the ability to provide electrical energy to remote objects without wires. 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. Now a days there is a rapid development of autonomous electronics like laptops, cell. Witricity wireless electricity transmitting system. Remove gantt chart legend from pdf export microsoft community. Physics project report project report on physics for cbse.
Due to operating in the electromagnetic near field, the receiving devices must be no more than about a quarter wavelength from the transmitter which is a few meters at the frequency used by the example system. The project was done at nextfloor oy, a company based in helsinki, finland. The term was coined initially in 2005 by dave gerding and later used for the project of a mit research team led by prof. A wireless energy solution available at anytime and anywhere. Their vision of the future soon morphed into claims of wirelessly powering entire homes, including appliances, home computers, heating, lighting etc. Miniature wireless power demonstrator projects forums. Introduction wireless electricity or witricity is the transfer of electric energy or power over a distance without the use of wires. Ceo alex gruzens interview with mckinsey on powering mobilitys future. It works on the principle of electromagnetic induction and resonant inductive coupling. Remove gantt chart legend from pdf export im looking for a way not to diplay the gantt chart legend at the bottom of every page when exporting a project schedule to pdf byusing save as. Project final report x 10 protocol power line communication pdf page link.
International journal of engineering research and general sciencevolume 2, issue 5, august september 2014 issn 20912730 26. Ms project tutorial in pdf this wonderful tutorial and its pdf is available free of cost. Wireless electricity or witricity is nothing but the transfer of electrical energy or power over a distance without the utilization of wires. The inventors in massachusetts institute of technology mit have devised a means of providing electricity without any wires. Even better, because of witricity some of the devices wont enquire batteries to operate. Eiv year eee, sree sowdambika college of enginee ring, aruppukottai, tamilnadu, india assistant professor, department of eee, sree sowdambika college of engineering. The system consists of witricity transmitters and receivers. Detailed theoretical and numerical analyses reveal that witricity is efficient and practical for midrange wireless energy exchange. It consists of mainly two parts, the reciever and the transmitter. Witricity is nothing but the short name of wireless electricity. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Understand how magnetic resonance offers the most compelling user experience.
Witricity power sources and receiver devices are specially designed magnetic resonators that efficiently transfer power over large distances via the magnetic nearfield. The term witricity was used for a project that took place at mit, led by marin soljacic in 2006. So, if you are tirelessly tinkering with a tech project that solves complex problems and has applications to benefit society, and want to win great prizes, we want to hear from you. The technology used for wireless power transmission is known as witricity. International journal of engineering research and general. The mit researchers successfully demonstrated the ability to power a 60 watt light bulb wirelessly, using two 5turn copper coils of 60 cm 24 in diameter, that were 2 m 7 ft away, at roughly 45% efficiency. The current electricity generation system we have a tendency to waste over half its resources. This concept is called witricity which seems to have a bright future in providing wireless electricity. This technology is based upon the coupled resonant objects in which resonant magnetic fields are used. The term was coined initially in 2005 by dave gerding and later used for the project of a. Witricitys wireless charging technology is coming soon to. Sep 21, 2016 it consists of mainly two parts, the reciever and the transmitter.
I would like to see the tasks on the left and the gantt on the right but no legend below. It could make witricity the industry standard for cordfree ev power. Two resonant objects of the same resonant frequency tend to exchange energy efficiently, while dissipating relatively little energy in extraneous offresonant objects. The basic concept behind this is magnetic resonance. Physics project report on frictional electricity, positive and negative electricity, insulators and conductors, the goldleaf electroscope, experiments with a gold leaf electroscope, electrostatic induction, the electron theory atomic structure, physics projectpractical file free 12th class. The goal of the project was to develop a wireless power transfer wpt system and implement it in innovative flooring. Wireless power transmission dates back to the19th century when nikola tesla used conductionbased systems to transfer wireless power. As witricity is in the development stage, lot of work is to be done in improving the range of power transmission and efficiency. The transmitter is made up of a coil of enamelled copper magnet wire with a few turns. At present, witricity technology charges devices at around 6 to 12 inches with roughly 95 percent efficiency12 watts for mobile devices and up to 6. Sep 27, 2017 wireless electricity ppt presentation pdf report. Direct inductionresonant magnetic inductionelectromagnetic radiation.
Download the seminar report for wireless electricity or witricity. Due to the extinguishing energy resources, there is a serious search of alternative energy resources which are endless and ecofriendly. A seminar report on wireless power transmission electrical. File type pdf witricity ieee paper witricity ieee paper ieee rait witricity workshop ieee rait conducted one day workshop on witricity. When it was founded in 2007, it was attempting both consumer appliances as well as electric vehicle wireless charging, as made clear by their former ceo, eric giler, in 2009. Scribd is the worlds largest social reading and publishing site.
The idea behind the project was to create a small tabletop demonstrator of magnetically coupled wireless power transfer, resembling a miniature version of the mit witricity device. Witricity is in development stage, lots of work is to be done to use it for wireless power applications. Witricity transfers electric energy or power over distance without wires. Witricity or wireless electricity resonance inductor. Witricity or wireless electricity free download as powerpoint presentation. Professor soljacic and team proved the magnetic fields of two properly designed devices with. Witricity holds the foundational patents for highly resonant wireless power transfer, with over 900 issued patents and over 500 pending patent applications. In this paper, a witricity based highpower device is proposed for wireless charging of electric vehicles. In terms of the osi reference model, the radio signal operates at the physical layer, and the data format controls several of the higher layers. Witricity documentation freeware witricity power v. Doc a seminar report on wireless electricity witricity.
Casey 08 january 2016 at the witricity suite at ces 2016, we saw fastcharging wireless solutions based on magnetic resonance. The efficient midrange power can be transmitted to any device which uses that range of power by the technique used in this witricity concept. Witricity corporation was founded in 2007 to commercialize a new technology for wireless electricity invented and patented two years earlier by a team of physicists from the massachusetts institute of technology mit, led by professor marin soljacic. However you can help us serve more readers by making a small contribution. Due to the extinguishing energy resources, there is a serious search of alternative energy resources which are endless and ecofriend.
According to the specific requirements of threestage charging for electric vehicles, four compensation modes of the witricity system are analyzed by the loosely coupled theory among transformer coils and the substitution theorem in circuit theory. Power mixer is an advanced windows audio mixer, a complete replacement for the standard volume control. Witricity documentation freeware free download witricity. Sumit thakur ece seminars wireless electricity ppt presentation pdf report. A witricitybased highpower device for wireless charging of. Fundamentals, standards, and applications xiao lu, dusit niyato, ping wang, dong in kim, and zhu han abstract wireless charging is a technique of transmitting power through an air gap to an electrical device for the purpose of energy replenishment. Witricitywireless electricity electric power transmission. This application lets you easily change the sound volume by simply rotating the mouse wheel or by using keyboard hot keys. Jul 10, 2014 at present, witricity technology charges devices at around 6 to 12 inches with roughly 95 percent efficiency12 watts for mobile devices and up to 6.
Introduction witricity, a portmanteau for wireless electricity, is a term which describes wireless energy transfer, the ability to provide electrical energy to remote objects without wires. Witricity shows off fast, easy wireless charging by henry t. Currently the project is looking for power transmission in the range of 100watts. In order for the energy to be transferred safely coupled resonators are used. Project final report x 10 protocol power line communication pdf posted by. The method proposed in the present paper called witricity will facilitate to transfer power without using wires. The witricity devices are coupled almost entirely with magnetic fields the electric fields are largely confined. Currently the project is looking for power transmission in the range of 100w. Witricity shows off fast, easy wireless charging toms guide. Remove gantt chart legend from pdf export microsoft. The network structure includes the wireless network interface adapters and base stations that send and receive the radio signals.
A couple of techniques of wireless powertransmission are known now. Download the seminar report for wireless electricity or. A witricitybased highpower device for wireless charging. Witricity is the wireless transmission of electricity. It can be thought of as the natural frequency at which energy can most efficiently be added to an oscillating system. In their first paper, the group also simulated ghz dielectric resonators. How would be the future with witricity modern science has now made it possible to use electricity without having to plug in any wires. This is your opportunity to show the world the work that has been keeping you up at night. Before the establishment of this technology the detailed study must be done to check whether it cause any harm on any living beings. Wireless charging technology has been around for more than 100 years, but its inclusion in devices such as apples new iphone line has given it new life.