Researchers successfully demonstrated the ability to power a 60 watt light bulb from a power source that was seven feet 2 meters away using resonating coils. William brown demonstrates a wirelessly powered helicopter 5kw, 2. 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. Inductive power transfer ipt powering our future grant covic professors grant covic and john boys power electronics research group department of electrical and computer engineering the university of auckland, new zealand. Due to the extinguishing energy resources, there is a serious search of alternative energy resources which are endless and ecofriendly. The concept of wireless power transfer was realized by nikolas tesla. This presentation does not contain any proprietary, confidential, or otherwise restricted information. Solutions available up until the latter half of 2012 sparked little interest from consumers. As fossil energy sources are being depleted rapidly worldwide and oil prices soar, solar energy enhanced with wireless power transfer wpt has become a reasonable alternative for renewable energy and power harvesting. Our project deals with the charging of miniature model of electric vehicle using wpt. Project on wireless power transfer free final year projects. Aviva brecher, principal technical advisor, and mr.
Wireless power transmission using magnetic resonance. Japan is planning orbiting solar farms in the 2030s illustration. In a wireless power transmission system, a transmitter device, driven by electric power from a power source, generates a timevarying electromagnetic field, which transmits. Connect the battery charger at the output of the circuit. Principles and engineering explorations, encompasses theory and engineering technology, which are of interest for diverse classes of wireless power transfer. The mit team demonstrated the highly resonant technique using a magnetic field to transfer energy over a midrange distance of 2 meters, and an industry was born. With a few exceptions, sources of renewable energy tend. The block diagram of the wireless power transfer mainly builds with hf transformer, capacitors, diode, rectifier, inductor coil filled with air and lamp. At the moment, wireless power transmission is in the forefront of electronics research. This is my first wireless power transfer project i have done.
The main intention of this project is to design a wpt system in 3d space transfer power within a small range and the block diagram of this project is shown below. This book is a collection of contemporary research and developments in the area of wireless power transfer technology. I am also planning to use this as my undergraduate project topic, but apart from using an induction coil, can i make use of radio wave to transfer power to any gadget nima on may 4th, 2014 at 5. In last few years, our society experienced a silent, but quite dramatic, revolution in terms of the number of autonomous electronic devices e. Wireless power transfer, grid or network electrical. Aaron brooker, evan burton, joann wang, and arnaud konan. Wireless power transfer circuit working, advantages and. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous or impossible.
Initially, connect the circuit as shown in the circuit diagram. Launched in 2014, wireless power transfer is the first journal dedicated to publishing original research and industrial developments relating to wireless power. Such a system would result in numerous benefits, which include having a more powerful device, which boosts convenience by. It can be made by using simple components and easy circuit that are as follows. Wireless power transfer is of special interest to electronics engineers who need to address usability and safety in designing charging technology. Also get an idea about the battery level indicator project circuit and its working. Review and evaluation of wireless power transfer wpt for electric transit applications 5. The word power is itself self explanatory in every form and is very important for living and working. 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. In our project we have changed the transmitter coil design as conical shape than traditional planner one. Power transfer scott stanton, technical director for advanced technology initiatives, ansys, inc. Wireless power transfer massachusetts institute of.
Serdijn, fellow, ieee abstractin this paper, we present techniques and examples. Advanced wireless power transfer and infrastructure analysis. 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. The project was done at nextfloor oy, a company based in helsinki, finland. The optimal condition and numerical analysis on maximum power transfer efficiency will be introduced. Idts marketleading products in rf, timing, wireless power transfer, serial switching, interfaces and sensing solutions are among the companys broad array of complete mixedsignal solutions for the communications, computing, consumer, automotive and industrial segments. The receiver is simple, but this system has longer transfer distance than electromagnetic induction.
This wireless electricity transfer system is very simple and powerful. Based on this concept, the project is developed to transfer power within a small range. 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. So the transfer could be seen as the primary transmits and the secondary receives the power to run a load.
In some instances, this technology is also referred to as. Simple wireless electricity transmission project is an example of electromagnetic induction. Energy transfer systems mostly use antennas operating in their near field regions. The system will use qatars main grid outlet as an input, which is a 3 phase ac current. Wireless power transmission ppt linkedin slideshare. Wireless power transmission using magnetic resonance mandip jung sibakoti and joey hambleton cornell college phy312, december 2011, professor derin sherman 1. Wireless power transfer project linkedin slideshare. Microwave power transfer wireless power transfer is usually implemented in practice based on one of the three different technologies, namely inductive coupling 4, magnetic resonance coupling 5, and mpt 6 corresponding to short range tens of centimeters, mid range several meters, and long range up to tens of kilometers, respectively. Sending kilowatts of power half a kilometer is just a start. This technology started with small mobile devices such as cell phones and laptop pcs. For making of simple wireless transmission of electricity. Review and evaluation of wireless power transfer wpt for.
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. 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. Advanced wireless power transfer vehicle and infrastructure analysis. Japan demoes wireless power transmission for spacebased.
Application segment overview wireless power transfer. How to operate this wireless power transfer circuit. Dwpt identify critical characteristics required for. Wireless power transfer river publishers series in. The unique challenge of this project is to transfer power across large distances greater than 500 mm. Introduction our project was based upon a mit published paper in the year 2007 titled wireless power transfer via strongly coupled magnetic resonances 1. Design and implementation of wireless power transfer. Inductive power transfer systems should be designed to operate with a higher efficiency while maintaining a low cost, a small size, and a low weight. This paper proposes a wireless power transfer system that consists of a transmitter with a resonator and a receiver without a resonator. Wireless power transfer project kit thus the power transfer can be done by the primary to the secondary that is divided with 3cm distance. Wireless power transmission circuit and its working. Threedimensional wireless power transfer method to. The efficiency of wireless power is the ratio between power that reaches the receiver and the power supplied to the transmitter.
Wireless power transfer electricity science fair project. This project on wireless power transfer aim to develop a tool for wireless power transfers. Wireless power transmission will create a major impact within the field of the engineering science and will eliminates the employment of typical copper cables and current carrying wires. Beginning in late 2012, the industry began to see a greater push by technology providers to integrate wireless power transfer receivers into mobile devices. 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. Journal papers in megahertz wireless power transfer supervised students are delineated with an asterisk. The goal of the project was to develop a wireless power transfer wpt system and implement it in innovative flooring. The concept of wireless power transfer is a revolution in itself. The results of the project were amazing and we received many emails about the power and distance of the electricity transmission.
Wireless power transfer circuit wireless mobile charger. Wireless power transfer is in the early stages of adoption. Wireless power transfer using resonant inductive coupling. Project objective overall objective to identify major opportunities, impacts and barriers to the adoption of wireless power transfer wpt for vehicles inmotion. I built a transmitter to drive a resonant coil as a wireless power transmitter. How to make wireless electricity transmission project with. The goal of this project was to increase the efficiency of resonant wireless power transfer by utilizing a passive tuned coil placed between a transmitter and a receiver, and to determine the ideal placement of this intermediate coil. We will then have a high frequency inverter which will convert that current to ac in a vry. Wireless power transmission will create a major impact within the field of the engineering science and will eliminates the employment of typical copper cables and current. This system utilizes magnetic coupling and resonance. Commonly referred to as dynamic wireless power transfer. This is a small wireless power transfer project made at home.
The main objective of this project is to develop a device for wireless power transfer. Acceptable power transfer efficiency at high transfer range, increasing power level, misalignment tolerance and safety considerations are major technical challenges. We propose designing a closedloop wireless power transfer system. Wireless power transfer is transferring of power wirelessly, using mutual induction of 2 coils in hf. Please note that the contents may change without any prior notice due to reasons such as upgrading.