Without resonance, the part that does not pass through the receiver coil will not. Wireless power transmission research papers academia. Wireless power transfer technology is based on changing the operating frequency, where the power efficiency is a function of the operational frequency. Design a prototype of wireless power transmission system. In a wireless power transmission system, a transmitter device, driven by electric power from a power source, generates a timevarying electromagnetic field, which transmits. The wireless power transmission will be mandatory to use in the near future because this. The concept of wireless power transfer was realized by nikolas tesla.
This standard s adopted by zigbee alliance i to introduce zigbee device which is a low cost, low power, wireless mesh networking standard targeted at wire. Wireless power or wireless energy transmission is the transmission of electrical energy from a power source to an electrical load without manmade conductors. A detailed comparison of these techniques is performed with. We can use theoretically all electromagnetic waves for a wireless power transmission wpt. Figure 1 a resonant wireless power transfer system consists of a driven lcresonator on the. Looking at wireless power transmission information. This tesla coil is involved to transfer power at a distance to a load or an electrical equipment that need to be charged or powered wirelessly. The growing efficiency of power transmission is expected to create an opportunity in the market. A study of efficient power consumption wireless communication.
Brown, the pioneer in wireless power transmission technology, has designed, developed a unit and demonstrated to show how power can be transferred through free space by microwaves. View wireless power transmission research papers on academia. The definition of wireless power transmission wpt can be given as a way of efficient transmission of power from. Inductive wireless power transfer wpt is limited to just a couple of millimeters distance between the. They are also working on developing wpt technology and transmitters with 3d structures instead of the existing 2d structure, which would enable wireless power transfer, regardless of the locations of the receivers. Publication issn 20904304 journal of basic and applied scientific research.
The major difference is that with radio or microwave transmissions, the technology focuses on recovering just the. Abstract the main objective of this project is to develop a device for wireless power transfer. High intensity laser power beaming for wireless power transmission daniel edward raible abstract this paper describes work supporting the development of a high intensity laser power beaming hilpb system for the purpose of wireless power transmission. Number of household points receives electricity at the same frequency using. The interactive electromechanical necklace and the wireless batteryless electronic sensors. Virtual full duplex wireless networks lei zhang a novel paradigm is proposed in this thesis for designing the physical and medium access control mac layers of wireless ad hoc or peertopeer networks formed by halfduplex radios. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous or impossible. In this thesis paper, here is discuss how to use and work wireless power transmission wpt. This circuit may be used as wireless power transfer circuit, wireless mobile charger circuit, wireless battery charger circuit, etc. Wpt is the transmission of electric power from one place to another through vacuum without the use of wire. Resonant inductive coupling ric the transmission of wireless power transfer using electromagnetic induction was first demonstrated in the early 20th century by nikola tesla. The main contribution of this research is utilizing high intensity lasers to illuminate vertical.
Wireless energy transfer by resonant inductive coupling. In addition, a power source coil could be manufactured to be powered from a traditional plug in to give old home owners the option of upgrading their homes to wireless power. The system uses 4 channels 1 w without carrier sensing for passive rfid for wireless power. Nov 17, 20 transmission without wires a reality efficient low maintenance cost.
This is achieved withoutexceedingtheexposurelimitofmagnetic. A detailed derivation of their operational theory is presented with a strong emphasis on the current and voltage waveforms produced. Our high power wireless charging products safely deliver substantial electrical power to devices in need. Wireless power transmission for solar power satellite sps. Various method of wireless power distribution system are acquainted which can be ramified for power distribution, showing electrodynamic induction as the befitting one. This wireless transmission transmits power to remote locations. But, high initial cost better than conventional wired transfer energy crisis can be decreased low loss in near future, world will be completely wireless wireless power transmission 111720 17 18. Design of a wireless power transfer system using electrically.
In this thesis, a wireless local area networking technique is developed, which is intended for use in a device monitoring system. Wireless power transmission for solar power satellite sps second draft by n. Two specific scenar ios will be highlighted and discussed that motivated this research. Wireless power transfer circuit wireless mobile charger. Wireless inductive charging for low power devices helsinki metropolia university of applied sciences bacherol of engineering electronics thesis 31. Ahmed3 1 comsats institute of information technology, islamabad, pakistan 2 university of. In the present thesis i create and use wireless power as an alternative to replace wiring and batteries in certain new scenarios and environments. As wireless power begins to grow more of these devices would be manufactured with a wireless option and the use of wireless power will become widespread in new homes. A comparative study of wireless power transmission techniques a. Mrcwpt is advantageous with respect to its high safety and long. Today, shortdistance wireless energy transfer is either based on capacitive or in.
Oct 17, 2015 when you sit for tea and place your mobile on the table, it simply charges your mobile. Further, we design wireless energy transfer systems capableof a peakvaluepower transfer of 1. The disadvantages of wireless power are greatly outweighed by the benefits and from an ethical standpoint, thus it is necessary to further develop wireless power technology to the point of largescale production. Wireless power transmission is the process of transmitting electrical energy to an electrical load, from a source emitting power without interconnecting wires.
Wireless transmission of electrical power overview of recent. As a core factor, charging for solar vehicle is also mentioned. Oct 28, 2016 introduction to wireless power transfer october 28, 2016 by marie christiano wireless power transfer holds the promise of freeing us from the tyranny of power cords. This standard s adopted by zigbee alliance i to introduce zigbee device which is a low cost, low power, wireless mesh networking standard targeted at wireless control and monitoring applications 5. The technology of wireless power transmission can eliminate the use of the wires and batteries, thus increasing the mobility, convenience, and safety of an electronic device for all users. A power transmission pad which charges the receiver using resonant inductive coupling. This technology is being incorporated into all kinds of devices and systems. Abstract the technology r wireless power transferfo wpt is a varied and a complex process. This thesis discusses the theory and design of coupled resonant systems and how they can be linked in a phased array for the wireless transmission of electrical power. Wireless charging is becoming increasingly important. Ofdm technology and implementation overview from transmission side. The authors are with from bharati vidyapeeth deemed university college of engineering, pune, india. The system provides wireless power and wireless information of active rfid in the 920 mhz band.
The transmitter circuit consists of dc source, oscillator circuit and a transmitter coil. Wireless energy transfer by resonant inductive coupling master of science thesis rikard vinge department of signals and systems chalmers university of technology goteborg, sweden 2015. Wireless power transmission has great demand in the consumer electronics, for example laptop, tablets, smartphones and other devices. Many concepts, research papers, patents are available on wireless power transmission and are fruitfully materialized by witricity by magnetic resonant coupling method. At the end, chapter 6 describes the results section. Wireless power transfer is useful to power electrical devices where interconnecting wires are inconvenient, hazardous, or are not possible. Specifically, we implement physical downlink shared channel baseband. Nikola tesla has been the pioneer in the field of wireless. This article explains a simple wireless battery charger circuit that charges you r mobile when placed near the transmitter. Wireless power transmission wpt has been attracting a wide range of subjects in various fields and also become a highly active research area because of their potential in providing high technology to our daily lives.
Wireless energy transfer or wireless power is the transmission of electrical energy from a power source to an electric load without interconnecting man made conductors. Index terms power transmission, wireless, microwave, load, antenna, amplifier, rectifier. Resonant inductive coupling is the near field wireless transmission of electrical energy. Resonant wireless power transfer infineon technologies. Introduction to wireless power transfer technical articles. Shanmuganantham professor and head perunthalaivar kamarajar inst. In our wireless battery charger, we use two circuits. Wireless power transmission w pt is the efficient transmission of electric power from one point to another trough vacuum or an atmosphere without the use of wire or any other substance. The technology for wireless power transmission or wireless power transfer wpt is in the forefront of electronic development. This system is developed so as to reduce the use of wire, save natural resources, on going power for electric vehicle and wireless charging.
Getting rid of cables for the ease of operators of medical devices. Applications involving microwaves, solar cells, lasers, and resonance of electromagnetic waves have had the most recent success with wpt. A wireless power transfer technique that uses miniaturised receivers suitable for realworld use has been demonstrated by researchers in korea. Wicharge is the leader in wireless power, providing longdistance wireless charging technology. The main function of wireless power transfer is to allow electrical devices to be continuously charged and lose the. Wireless power transfer thesis proposal i help to study. Figure 1 a resonant wireless power transfer system consists of a driven lcresonator on the transmitter side and another lcresonator on the receiver side inductive wireless power transfer wpt is limited to just a couple of millimeters distance between the transmitter and the receiver. Resonant inductive coupling is the near field wireless transmission of electrical. High intensity laser power beaming for wireless power. Wireless energy transfer by resonant inductive coupling master of science thesis rikard vinge. The wireless power transmission will be mandatory to use in the near future because this technology enables the transmission of electrical energy from a.
Modulating wireless power signal to carry data bidirectionally. Resonant inductive coupling wireless power transfer author. Hyoungjun kim and chulhun seo from soongsil university used a metamaterial slab in a resonant coupling method to significantly improve the efficiency of the power transfer, and retain this efficiency. People often compare the wireless transmission of electrical energy as being similar to the wireless transmission of information, for example, radio, cell phones, or wifi internet. Wireless power transmission is a process that occurs in a system, where power source transmits electromagnetic energy to electric load with no wires.
Wireless power transmission using resonance inductive. The wireless transfer of electromagnetic energy as in different forms like audio format, video format and data format is common nowadays but wireless power transfer technology is still. Sheik mohammed faculty of engineering, dhofar university, pb no. Wireless local area networking for device monitoring. A pdf version new window of this feature is also available. The major difference is that with radio or microwave transmissions, the. The pickup circuit on the receiver side is designed to match the ac frequency transferred from the transmitter side. Abstract author title number of pages date john macharia. 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. 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. There is a variety of technique of wireless power transmission which include electromagnetic. Since then, electromagnetic induction emi has been used for the powering of artificial hearts and implantable devices.
Wireless electricity is quite literally the transmission of electrical energy without wires. Wpt is the transmission of electric power from one place to another through vacuum without the use of. He started efforts on manuscript received february 25, 2011. 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. The concept of wireless power transmission system is explained with functional block diagram shown in figure 2. This transmission is transmitted to the relevant position via an antenna. The transmission is transmitted through space and atmosphere and received on earth by an antenna called the rectenna. Thesis paper on wireless power transmission assignment point. Wireless power transmission via solar power satellite pdf.
The high cost associated with wireless power technology and lack of infrastructure associated with wireless power devices are hindering the growth of the wireless power transmission market. Introduction wireless energy transfer or wireless power transmission wpt is the process that takes place in any system where electrical energy is transmitted from a power source to an electrical load without the use of wire. Solar power from the satellite is sent to earth using a microwave transmitter. Final year student, mechanical engineering, ceg, anna university, chennai, tamilnadu, india. The first circuit is transmitter circuit used to produce voltage wirelessly. This thesis presents some design challenges while developing a wpt system and describes a systemlevel methodology for designing an endtoend. Wireless power transmission wpt has been attracting a wide range of subjects in various fields and also become a highly active research area because of their potential in providing high. Theoretical background it is known that electromagnetic energy also associated with the propagation of the electromagnetic waves. Wireless power transmission mystica augustine michael duke. Abstract this thesis implements long term evolution lte transmission layer on a coarse grained reconfigurable called, dynamically reconfigurable resource array drra. Design of a wireless power transfer system using electrically coupled loop antennas by shyam chandrasekhar nambiar abstract wireless power transfer wpt has become quite popular over the recent years. Wireless power transmission a next generation power transmission system s. In the years 18841889, after nicola tesla invented tesla coil, wireless power transfer wpt technology is in front of the world.
Wpt technologies can be categorized into three groups. Higher levels of transferred power is possible if larger magnetic. Figure 2 wireless power transmission circuit with resonant coupled coils if a receiver is placed in the field of the transmitter, it can take out some of the energy from the field of the transmitter coil. Discussion of the thesis is also included in chapter 7 where the conclusion and future work is also presents. Wireless power transmission market research report. Qi standard was developed by the wireless power consortium for inductive electrical power transfer over distances of up to 40mm. Wireless power transfer technology for electric vehicle. This paper proposes a wireless power transfer system that consists of a transmitter with a resonator and a receiver without a resonator. Wireless power transmission the future of power transmission. Wireless power transmission is useful where continuous energy transfer is needed but interconnecting wires are inconvenient, hazardous, or impossible.