Wireless energy transfer or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient‚ hazardous‚ or impossible. The most common form of wireless power transmission is carried out using direct induction followed by resonant magnetic induction. Other methods under consideration include electromagnetic radiation in the form of microwaves or lasers
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Section 7: Energy Efficiency www.leonardo-energy.org February 2007 Power Quality & Utilisation Guide Induction Heating Jean Callebaut‚ Laborelec 1 2 Introduction.................................................................................................... 2 Physical principles ....................................................................................... 2 2.1 2.2 2.3 Electromagnetic induction ..............................................................................
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What is WiTricity ? -WiTricity‚ stands for wireless electricity‚ is a term coined initially by Dave Gerding in 2005 and used by a MIT research team led by prof. Marin Soljačić in 2007‚ to describe the ability to provide electricity to remote objects without wires (wireless power transfer). This could be useful to power consumer and industrial electronics like cell phones‚ laptops‚ etc. -WiTricity‚ a portmanteau for "wireless electricity"‚ is a trademark of WiTricity corporation referring to their
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INTRODUCTION The area of wireless power transmission is very interesting. The technology is in its infancy but the overall benefits from its maturation could be significant to society as a whole. World population is expected to continue to grow exponentially. Five sixths of the world’s population lives in developing nations. Most developing nations such as China‚ India‚ and Pakistan are rapidly improving their standard of living. All of these trends point to an energy demand that will grow at even
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CALIFORNIA STATE UNIVERSITY‚ NORTHRIDGE WiTricity: Wireless Power Transfer A Graduate Project submitted in fulfillment of the requirements For the Degree of Master of Science in Electrical Engineering By Pranit Yeole MAY 2013 The Graduate Project of Pranit Yeole is approved: _________________________________________________ Dr. Ali Amini ____________ Date _________________________________________________ Dr. Ahmad Bekir ______________ Date _________________________________________________
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WIRELESS POWER TRANSFER ABSTRACT The main objective of this project is to develop a device for wireless power transfer. The concept of wireless power transfer was realized by Nikolas tesla. 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. Based on this concept‚ the project is developed to transfer power within a small range. This project can be used for charging
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atmosphere–ocean system and motivates the deeper examination to follow. The character of coupled atmosphere–ocean interactions is briefly introduced. Simple energy balance models are derived and used to illustrate the fundamental mechanisms behind variations of temperature with altitude‚ latitude‚ and season. The global annual mean energy balance is then presented and briefly discussed. Finally‚ the origins‚ thermodynamic structure‚ and composition of the atmosphere and ocean are summarized.
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Energy transfers which take place in living organisms The nucleotide ATP (adenosine triphosphate) maintains both catabolic and anabolic reactions. Catabolic reactions e.g. respiration are where larger molecules are broken down into smaller ones with energy being released‚ and anabolic reactions e.g. photosynthesis are where smaller molecules are built up into larger ones which require energy. Catabolism provides the energy for organisms to synthesise larger molecules in its anabolic reactions.
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idea of wireless power transfer has been developed. In the early 20th century before the electrical wire grid Nikola Tesla shows much of his work on wireless power transmission. As revolution is taking place‚ and technology is getting more and more‚ the idea of power transmission is also changing. The demand of generation is changing. So keeping the demands in mind‚ the idea of wireless power transfer has been strived to develop in this project. Firstly this project involves the transfer of power
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one actuator system. Since most long-stroke movements are in a plane‚ this can be done by a contactless planar actuator. The topology proposed and tested in this paper provides long-stroke contact less energy transfer (CET) in a plane with only small changes in power transfer capability. 2.DESCRIPTION ACTUATOR Actuator is a mechanical device used for moving or controlling a mechanism or system. It converts electrical signals into motion. Here we are using a linear actuator;
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