Wireless power transmission for solar power satellite sps. Inductive coupling, microwave power transmission, resonance, tesla theory, wireless power transmission. Microwave power transmission, its history before 1980. Because of the microwaves interaction with the rectenna, the sharp had a constant power supply as long as it was in range of a functioning microwave array. This problem can be solved by using microwave power transmisonmpt or wireless power transmission wpt. Design study for a ground microwave power transmission system. The laser gets powered using sources like sun or any electricity generator and accordingly generates high intensity focused light. Choosing a backup generator plus 3 legal house connection options transfer switch and more duration. Japan is planning orbiting solar farms in the 2030s illustration. The early history of power transmission by radio waves power transmission by radio waves dates back to the early work of heinrich hertz 1. William brown put forward a proposal to transmit solar energy using wireless means in space for use to power a satellite 1,145. Abstractthis paper discusses an implementation of a farfield wireless power transmission system using microwaves in the ism band.
An electrical distribution system, based on this method would eliminate the need for an inefficient, costly, and capital intensive grid of cables, towers, and substations. The concept of microwave power transmission mpt and wireless power transmission system is presented. The sensor node operates using electrical power supplied by the mpt system. The difficulties and limitations for implementing the designed model in the laboratory have been featured. The technological developments in wireless power transmission wpt, the advantages, disadvantages, biological impacts and applications of wpt are also discussed. Debapratim ghosh department of electrical engineering indian. The main application areas and characteristics, such as frequency and power, are shown.
The transmitter power minus waveguide losses plus its antenna gain sets the baseline for the free space loss and additional propagation losses along the path fig. Wireless power transfer wpt has been made feasible in recent years due to advances in technology and better the mpt system works by converting power to microwaves through a microwave generator and then transmitting that power through free space where it is received and converted back to power at a special device called a rectenna. We can more concentrate the transmitted microwave power to the receiver aperture areas with taper method of the transmitting antenna power distribution. The paper describes the concept of transmitting power as microwaves in order to reduce the cost, transmission and distribution losses, types and solar power satellites method. Wireless power transmission using modulated microwave. An artists depiction of a solar satellite that could send electric energy by microwaves to a space vessel or planetary surface. The various technologies available for wireless transmission of electricity resonant coupling method,inductive coupling and by using microwave. System would reduce the cost of electrical energy used by the. His area of interest is power system, power electronics, electrical machines. Review for wireless power transmission using microwave. Apr 27, 2016 animation video on microwave wireless power transmission.
All of these wireless systems consist of a radio frequency rf or microwave front end. It is reliable, efficient, fast, low maintenance cost, and it can be used for short range or long range. Solar power satellites is known by a variety of other names such as satellite power system, space power station, space power system, solar power station, space solar power station etc. Recently he participated at student innovation exhibition, gridtech organized by power grid corporation of india. Microwave power transmission based on retroreflective. The aerospace wireless sensor network system compatible. As microwaves are electromagnetic waves, we can tap on to its energy and can. Wireless power transmission using modulated microwave abstract. For power transmitting purpose rf microwave has been used. Design a prototype of wireless power transmission system using rf microwave and performance analysis of implementation md m. The step by step design method has been used in designing the entire system. What are the advantages and disadvantage of wireless power.
Wireless power transmission wpt, slotted wave guide swg, antenna. This concept offers greater possibilities for transmitting power. The concept of wireless power transmission has been around since the mid 17 th century. Focussing the antenna on a closer point is made possible by the use of the phase. Since then, efforts have been made to increase the efficiency, power, and range of microwave transmission. A detail discussion on transmitting and receiving antenna of wpt system has been presented.
Pdf design a prototype of wireless power transmission. Figure 1 history of wireless power transmission and microwave power transmission. These microwave transmissions use emitted power typically from 0. Microwave power transmission pdf topics for seminar. The antenna used in rectenna may be dipole, yagi uda,microstrip or parabolic dish antenna. Conversion of the dc power from solar cells to microwave rf energy. Coexistence of wireless power transfer via microwaves and. For example,a wire run parallel to an ac power line will pick up 60hz energy. Not only did he demonstrate electromagnetic wave propagation in free space by using a complete system with a spark gap to generate highfrequency power and to detect it at the receiving end. Although many new wireless courses have been offered at universities and in industry, there is yet to be a textbook written on rf and microwave wireless systems.
S organized the demonstration and involved the wireless transmission of energy 42. Wireless power transmission through solar power system. In principle, laser energy transmission systems are very similar to energy transmission via microwave technology. Concepts for wireless energy transmission via laser. Niklo tesla also worked on the radio transmission and reception. Microwave transmission is considered a line of sight. Animation video on microwave wireless power transmission. A wireless power transmission using microwave is a system which consists of a, microwave generator, microwave transmitter magnetron and microwave receiver rectenna. The paper will outline our design process and the logical steps we took in the experimentation and design of our circuits.
Wireless power transmission circuit and its working. We seek to find a way to control the direction of the beam using retro directive phased array antenna. Wireless power transmission using microwaves semantic. The microstrip patch is a good practice for manufacturing physical antenna, as it will be easy to fabricate. A rectenna, rectifying antenna, is often used in the wpt system via microwaves4. Transmission using microwave works on far field at a greater distance. Wireless power transmission using microwave was developed fifty years ago 1. Design a prototype of wireless power transmission system. Wireless power transmission using microwaves ijircce. The sps is a gigantic satellite designed as an electric power plant orbiting in the.
Key words microwave power transmission mpt, nikola tesla, rectenna, w ireless power transmission wp t. Microwave transmission is the transmission of information by microwave radio waves. With a few exceptions, sources of renewable energy tend. Sending kilowatts of power half a kilometer is just a start. This system consists of transmitting, tracking, and receiving systems. Dec 09, 2011 this experiment contained the basic elements of microwave power transmission. Wireless power transmission using magnetic resonance. Feb 21, 2020 get more information about wireless power transmission seminar report by visiting this link.
It will eradicate the hazardous usage of electrical wires which involve lot of confusion in particularly organizing them. Index terms power transmission, wireless, microwave, load, antenna, amplifier, rectifier. When we use the microwave frequency, the wpt via microwave is called a microwave power transmission mpt. This study was concerned with the design for a ground microwave power transmission system gmpts for use with a high altitude powered platform happ. Wireless power transmission using magnetic resonance mandip jung sibakoti and joey hambleton cornell college phy312, december 2011, professor derin sherman 1. The waveguide circulator which protects the microwave source from reflected power is connected with the microwave power.
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 stops to plug frequently into the sockets. 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. Given a microwave wireless power transmission system subject to a constraint that the microwave beam should travel in the desired direction. Microwave transmission involves the sending and receiving of microwave signals over a microwave link. Hossain, md ashiquzzaman, and md saleh rf microwave generator power amplifier antenna iacsit international journal of engineering and technology, vol. From various possible methods of wireless transmission of electrical power, microwave power transmission is best suited for charging mobile devices. The aim of this paper is to provide an overview of wpt, with a focus on the radiative approach to wireless power. Transmission formulas add in the gains and losses of radios, transmission lines, antennas, and path details of a hop. Microwave power transmission a next generation power. Mpt system works by converting microwave into power by using special. Wireless power transmission using microwaves have been performed at goldstone in california in 1975 and more recenly 1997 at grand bassin on reunion island. It may be considered as a companion study to an earlier study that involved the airborne portion of the system as applied to a lighterthanair lta happ vehicle.
Wireless power can be defined as the transmission of electrical energy from a power source to an electrical load without connecting wires. Microwave power transmission a next generation power transmission system. The wireless power transmission will be mandatory to use in the near future because this technology enables the transmission of electrical energy from a power source to an electrical load across an air gap without interconnecting wires. Main reason for these losses is the resistance of the wires used for grid. Latest microwave power transmission pdf and doc with abstract, ppt and circuit diagram for seminar report of electrical engineering project. Wireless power transfer is useful to power electrical devices where interconnecting wires. Japan demoes wireless power transmission for spacebased. Introduction our project was based upon a mit published paper in the year 2007 titled wireless power transfer via strongly coupled magnetic resonances 1. Part of input microwave is reflected at the rectifying circuit. Japanese researcher hidetsugu yagi also investigated wireless energy transmission. The founder of ac electricity, nikola tesla, was first to conduct experiments dealing with wpt. In the system, power is transferred to a circling microaerial vehicle mav by a microwave beam of 5. Laser beams have both advantages and disadvantages visavis microwave beams for power transmission.
One of the key technologies needed to enable the future feasibility of sps is that of microwave wireless power transmission. Modulating wireless power signal to carry data bidirectionally. Microwave power transmission has the potential to supply wireless power to portablemobile electronic devices over long distances on the order of meters or even kilometers efficiently. This microwave link is made up of a string of microwave radio antennas.
A longrange microwave power transmission demonstration was realized on one of the islands of hawaii in may 2008. In this chapter, we will study the transmission line characteristics in greater detail, such as the line. A microwave power transmission system consists of the source of the rf energy, a transmit antenna, a transmission medium or channel, and a rectifying antenna usually referred to as the rectenna. Introduction wireless power transmission is not new to the world, nikola tesla is the one who first conceived the idea wireless power transmission and demonstrated the. Future suitable and largest application of the wpt via microwave is a space solar power satellite sps. He transmitted the microwave power from a transmitter to a receiver pointtopoint with the overall dc microwave dc efficiency of 54% in his laboratory bro73. Solar power satellites and microwave wireless power. Wireless power transmission of solar energy from space news. In this paper, we present the concept of wireless power transmission to cut the clutter or lead to clean sources of electricity. Brown contributed much to the modern development of microwave power transmission which dominates research and development of wireless. For guided transmission media, the transmission capacity, in terms of either data. We have demonstrated wireless power transfer by coupling rf power from a microwave oven magnetron rf source using a dipole at optimum position within the cavity. Applications of wireless power transmission via radio frequency beam. Nevertheless, several technical challenges remain to be resolved in order to accomplish practical microwave power transmission systems, including i minimizing power loss due to microwave propagation, ii.
A 40dbm coupled power is transmitted using a monopole corner reflector antenna having gain of 14. Patch antenna used with a low return low simulated in ads. Wireless electrical power transmission via microwave link. 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. Theyre located at the top of towers at various microwave sites.
By far the most important benefit of laser beaming over microwaves is the reduction in size of the transmitting and receiving antennas. In this project, antennas transmit and receive power at a frequency of 2. The stationary high altitude relay platform sharp, microwave beam powered. Wireless transmission is useful to power electrical devices in case where interconnecting wires are inconvenient, hazardous, or are not possible. It was proved that the power transmission efficiency can approach close to 100%. Wireless transmission of electrical power overview of recent. Wireless power transmission via solar power satellite.
A wireless power transfer system using a microwave active phased array was developed. It is a generic term that refers to a number of different power transmission technologies that use timevarying electromagnetic fields. Future suitable and largest application of the wpt via microwave is a space. A microwave power beaming system was developed to realize wireless power supply to a micro aerial vehicle. Wireless power transfer circuit working, advantages and. Transmission line characteristics in the previous chapter, we had an initial look at the lumpedcomponent sectional representation of a transmission line, and that waves propagate in two directions, once the line is excited with a voltage input. Howstuffworks how wireless power works describes nearrange and midrange wireless power transmission using induction and radiation techniques. Wireless power transmission for charging mobile devices. Microwave wireless power transmission using solar power. New application of microwave power transmission for wireless. For the wpt, we had better concentrate power to receiver. At the receiving end a patch antenna is placed at variable distances. 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.
Conclusion the concept of microwave power transmission mpt and wireless power transmission system is. Wireless power transmission using microwaves semantic scholar. Rectifying antennae are central to many wireless power transmission theories. Wireless power transfer, microwave power transfer, rectenna. Oct 11, 2014 wireless power transfer using microwaves 1. Effectiveness of wireless power transmission wpt depends on many parameters. A high efficient rectanna was design and tested at 5. The power of 6v is transferred from source to destination is up to the distance of 20cm. Although an experimental 40mile 64 km microwave telecommunication link across the english channel was demonstrated in 1931, the development of radar in world war ii provided the technology for practical exploitation of microwave communication.
Efficiency estimation of microwave power transmission antenna. Recently, it has been attracting much attention owing to the increasing demands for the various wireless technologies. Number of household points receives electricity at the same frequency using. In particular, this paper details the transfer of power over the microwave band, called microwave power transfer or microwave power transmission mpt. The emitted power is regulated for cellular and microwave systems. Only a part of wpt system is discussed below, which includes radiating and receiving antennas and the environment between them.
Solar power satellitesps 1968s idea for solar power satellites proposed by peter glaser would use microwaves to transmit power to earth from space to efficiently make use of renewable energy i. Getting rid of cables for the ease of operators of medical devices. A prototype of wireless power transmission wpt system has been designed in small scale which can be used to drive portable electronic devices. Gunston microwave transmission line impedance data van nostrand reinhold 1972 acrobat 7 pdf 8. Aug 28, 2015 in this paper, i present the concept of solar power satellites the solar cells in the satellite will convert sunlight to electricity, which will changed to radio frequency energy, then beamed to a receiver site on earth and reconverted to electricity by using transmitting and receiving antenna with the technology of wireless power transmission i. Within the next five years or so, mitsubishi is hoping that theyll be able to use this system for short range high power delivery like electric car charging, and medium range delivery of. A novel wireless sensor network system with compatibility of microwave power transmission mpt using a gallium nitride gan power amplifier has been fabricated and tested. The purpose of this book is to introduce students and beginners to the general.
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