We hereby declare that the thesis titled wireless power transfer, a thesis submitted to the. Advanced wireless mobile charging project nevon projects. Wireless power transmission for solar power satellite sps. The concept of wireless power transfer is a revolution in itself. It can be made by using simple components and easy circuit that are as follows. After the layout was completed, gerber files and bill of materials bom were created. Wireless power transmission is useful to power electrical devices as well as in communication system case where interconnecting wires are inconvenient, hazardous is not possible2. Index terms power transmission, wireless, microwave, load, antenna, amplifier, rectifier. 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 output is fed to a tuned coil forming as primary of an air core transformer. Sending power to sensor nodes which are not reachable. Power transmission by radio waves dates back to the early work of nikola tesla in 1899. Meanwhile, wireless power transmission was an issue that was in the minds of the scientists from the beginning of generation of electricity. The technology used for wireless power transmission is known as witricity.
Wpt can be used for applications where either an instantaneous amount or a continuous delivery of energy is needed, but where conventional wires are. Wireless power transfer can make a remarkable change in the field of the electrical. Wireless power transmission is a process that occurs in a system, where power source transmits electromagnetic energy to electric load with no wires. Wireless energy transmission is a process in which electrical energy is transmitted from a power source such as a tesla coil to an electrical load without the use of physical connection. Wireless transmission of electrical energy from a tesla coil using the principle of high voltage. The power could be transmitted as either microwave or laser radiation at a variety of frequencies depending on system design. Power transfer can make a remarkable change in the field of the electrical engineering which eliminates the use of conventional copper cables and current carrying wires. 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.
It is reliable, efficient, fast, low maintenance cost, and it can be used for short range or long range. Doc project final report wireless power transfer autosaved 1. 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. An electrical small loop is desired for our project so that it can be fit into a cellphone. Among our science fair project ideas, at projects for school, we realized. Build a wireless power transmission system that can power a light bulb or charge a phone from up to 2 feet away.
Only a part of wpt system is discussed below, which includes radiating and receiving antennas and the environment between them. We hereby, completing this project, would like to express our very great appreciation to prof. 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. Design a prototype of wireless power transmission system. He started efforts on manuscript received february 25, 2011. The wireless power transmission will be mandatory to use in the near future because this. 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. Wireless power transfer involves the transmission of power from a power source to an electrical load without connectors, across an air gap. To avoid the conflicts like recharging and carrying its appliances of electrical and electronic. This is a small wireless power transfer project made at home. Download this books into available format 2019 update. Based on this concept, the project is developed to transfer power within a small range. In this project, we have succeeded to light an led wirelessly by a load.
Theoretical background it is known that electromagnetic energy also associated with the propagation of the electromagnetic waves. Most of us at home maybe using multiplug to connect all the electronic devices with power cords. Wireless power transmission to uav using laser beaming. This project is built upon using an electronic circuit which converts ac 230v 50hz to ac 12v, high frequency. Wireless power transmission wpt is the efficient transmission of electrical power from one point to another through a vacuum or an atmosphere without the use of wire or any other substance. The two systems will be configured differently, however they will have the same functionharvesting wireless energy and converting it to dc power. Wireless power transmission physics projects for class 11 th and 12 th have often revolved around breadboard projects. Nicole tesla was the first one to introduce the wireless power transfer concept 1.
Assume that radiated power is uniformly distributed over the surface of the sphere. It can be achieved using various types of waves, and following similar principles but yet distinct as the ones used in the transmission of information. Wireless power transmission using magnetic resonance. Nonbeam wireless power technology in 2006, technologies of wireless power transmission wpt under development vary widely. The power surface of choice for our prototype is a small wooden cabinet that can fit a. Wireless power transfer can make a remarkable change in the field of the.
Wireless power transmission or transfer wpt technology is considered as one of game changing technologies. Wireless power transmission has great demand in the consumer electronics, for example laptop, tablets, smartphones and other devices. In this project, it is required to design and construct an electronic device that shall transmit power within a small range. Wireless power transmission by magnetic resonance circuits. The transmitter circuit consists of dc source, oscillator circuit and a transmitter coil. This system demonstrates the concept of wireless mobile charging system.
Stanford researchers have discovered a method for wireless transmission of electricity, making nikola teslas vision of a wireless power grid a possibility. Ive been searching about this topic for a year to make a simple project. Every project contains hard to find materials and high voltage. We demonstrate the system using a charging pad where user. Currently the project is looking for power transmissions in the range of 100 watts.
His biggest project involved the wardenclyffe tower. Its resonant frequency is a product of the inductance of the coil and the capacitance of the plates. This uses a resonant coil system to send magnetic fields from a transmitting coil to a receiving coil. Wireless transmission of electrical power overview of. Wireless power transmission electrical science project. 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 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. In our project we have changed the transmitter coil design as conical shape than traditional planner. Wireless power can be defined as the transmission of electrical energy from a power source to an electrical load without connecting wires. Solar power satellite system wireless power transmission to the earth. The basics of wireless power transmission include the inductive energy that can be transmitted from a transmitter coil to a receiver coil through an oscillating magnetic field. Since charging of the battery is not possible to be demonstrated, we are providing a dc fan that runs through wireless power. The system allows user to wirelessly charge his mobile phone without plugging in the mobile adapter. The concept of wireless power transmission system is explained with functional block diagram shown in figure 2.
The results of the project were amazing and we received many emails about the power and. Simple wireless electricity transmission project is an example of electromagnetic induction. He actually found an extraordinary result even with a small tesla coil. Mini projects wireless power transmission manufacturer. With wireless energy transfer, the efficiency is a more critical parameter and this creates important differences from the wireless data transmission technologies. The basis of a wireless power system involves essentially two coils a transmitter and receiver coil.
Get more information about wireless power transmission seminar report by visiting this link. Due to the extinguishing energy resources, there is a serious search of alternative energy resources which are endless and ecofriendly. Wireless power transmission was early proposed to transfer energy from collection to the earths surface. Number of household points receives electricity at the same frequency using.
Modulating wireless power signal to carry data bidirectionally. The small transition region has both the characteristic of nearfield and farfield. Effectiveness of wireless power transmission wpt depends on many parameters. Until now, many efforts have been made in this regard and scientists have discovered several methods so far. Losses in power transmission grid, which can reach 30% of the transmitted power is a problem that could be solved with microwave power transmission. To give you a taste whats possible in wireless power transfer applications, wed like to share some examples of this technology in combination with others, such.
The objective of this paper is to give an idea of wireless power transfer which is in developing stage and it can be a future existence. Wireless power transfer circuit working, advantages and. 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. The transfer of power from source to receiver is a technology that has existed for over a century. 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. This can be used to operate in home appliances like t. Wireless power transmission research papers academia. The main objective of this project is to develop a device for wireless power transfer. Wireless power transmission is not a new idea, nikola tesla proposed theories of wireless power transmission in the late 1800s and early 1900s. Existing techniques of wireless power transmission involving a pair of strongly magnetically. The basic working principle of wireless power transfer is. Wireless power transmission working,application,types. This is the central part of the study, but it cannot be considered properly without the other parts of the system. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous, or impossible.
Because there is a small gap between the two coils, inductive charging is one kind of short. 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. Wireless data transmission between pcs using zigbee. Project summary the project requires the development of two wireless power transfer systems. Electricity, traveling along an electromagnetic wave, can tunnel from one coil to the other as long as they both have the same resonant frequency. We will be able to become free from lacking electric power when electric power will be supplied wirelessly. Manufacturer of mini projects wireless power transmission, android bluetooth controlled appliances, low cost electricity meter reading system using gsm. The authors are with from bharati vidyapeeth deemed university college of engineering, pune, india. Stanford scientists are making wireless electricity. The dc current supplied by a power source is changed into high. The voltage on the primary side in the project setup is 15,000 volts.
Wireless power transmission in the smarthome duke electrical. You may have even got confused to get the right cord for unplugging it among the other cords that lead. Wpt applications are expanding to mobile and portable devices, home appliances and office equipment, and electric vehicles. Rf wireless power transmission consists of a discussion of choice of frequency, transmitter technology, transmit aperture for given distance, towers for lineofsight transmission, rectenna array size and dc reconfiguration. Wireless power transfer circuit wireless mobile charger. In 1891, he began his work on wireless power transmission at. For making of simple wireless transmission of electricity. View wireless power transmission research papers on academia.
Wireless power transmission for solar power satellite sps second draft by n. Wireless electricity or witricity seminar report,pdf,ppt. We can use theoretically all electromagnetic waves for a wireless power transmission wpt. During the course of this research, we investigated the need and usefulness of wireless power transmission and the feasibility of using magnetic inductive coupling as the means for wireless power transmission.
Charging sealed batteries that work in harsh conditions where cabling is troublesome. Wireless power transmission wpt wireless energy transfer or wireless power is the transmission of electrical energy from a. The concept of wireless power transfer was realized by nikolas tesla. Pdf the goal of the project was to develop a wireless power transfer. The first circuit is transmitter circuit used to produce voltage wirelessly. Wireless power transmission through solar power system. Nikola tesla has been the pioneer in the field of wireless. How to make wireless electricity transmission project with. The wireless power project uses a curved coil and capacitive plates. 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.