This paper gives an introduction about Witricity technology. Witricity stands for wireless electricity. It uses the principle of mutual inductance for wireless power transfer.
This is an interesting technology and has wide applications.
Wireless electricity or WiTricity is the transfer of electric energy or power over a distance without the use of wires. In order for the energy to be transferred safely coupled resonators are used. Coupled resonators are two objects of the same resonant frequency that exchange energy efficiently without much leakage. Minimizing energy leakage is very important because the goal is to have as much energy as possible be transferred from one object to another.
Wireless electricity or WiTricity is the transfer of electric energy or power over a distance without the use of wires. In order for the energy to be transferred safely coupled resonators are used. Coupled resonators are two objects of the same resonant frequency that exchange energy efficiently without much leakage. Minimizing energy leakage is very important because the goal is to have as much energy as possible be transferred from one object to another.
Long conductors of electricity forming part of an electric circuit and electrically connecting said ionized beam to an electric circuit These methods achieve longer ranges, often multiple kilometer ranges, where the distance is much greater than the diameter of the devices to overcome these drawbacks the technology that offers to free applications from power cords and wall warts will confer a definite salable edge on electronic devices. Applications that would benefit from wireless power range from portable consumer electronics, such as cell phones and MP3 players, which could jettison their wall warts and power adapters, to low-power wireless-sensor networks, which could be free of frequent battery replacement, to medical implants in patients who could avoid surgery to replace batteries
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A DC Motor is a machine which converts electrical energy into mechanical energy. It depends for its operation on the force which is known to exist on conductor carrying a current while situated in a magnetic field.
Long conductors of electricity forming part of an electric circuit and electrically connecting said ionized beam to an electric circuit These methods achieve longer ranges, often multiple kilometer ranges, where the distance is much greater than the diameter of the devices to overcome these drawbacks the technology that offers to free applications from power cords and wall warts will confer a definite salable edge on electronic devices. Applications that would benefit from wireless power range from portable consumer electronics, such as cell phones and MP3 players, which could jettison their wall warts and power adapters, to low-power wireless-sensor networks, which could be free of frequent battery replacement, to medical implants in patients who could avoid surgery to replace batteries
hi every body this ppt is atmost best ppt up to my knowledge which will gives a idea of "what is wire less electricity"(ln med voltage range)
if you need this ppt ,just mail to "gopalsai77@gamil.com"
A DC Motor is a machine which converts electrical energy into mechanical energy. It depends for its operation on the force which is known to exist on conductor carrying a current while situated in a magnetic field.
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CAN ELECTRICITY TRAVEL WIRELESSLY,,,,,,,,???????????? CAN MOBILE PHONES BE CHARGED WITH OUT ADAPTERS,,,,,,,,??????????????
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WiTricity technology is a non-radiative mode of energy transfer, relying on the magnetic near field. Magnetic fields interact very weakly with biological organisms—people and animals—and are scientifically regarded to be safe.
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Sectoral targets and attacks as well as the cost of ransom
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Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
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3. What is WiTricity?
Stands
for ‘wireless electricity’
Eliminates the use of cables for
transmission of power
Transmission by induction through
resonators.
Security
4. (1/2)
Background
In
1899, Sir Nikola
Tesla enlighten 200
lamps at the distance of
40 km.
But only 15%
efficiency was
achieved.
5. (2/2)
MIT powered 60 watt
light bulb from 2 meters
(7 ft) at 40% efficiency
First
practical example
of WiTricity.
6. (1/1)
Working Principle
One
Simple Physics Rule !
At Source : Electricity
Magnetic Wave
At Device : Magnetic Wave
Electricity
Resonant coupling
7. (1/1)
Is it secure ???
Works
on the principle of magnetic
induction.
Interact weakly with surrounding objects
(biological tissue)
9. (2/5)
Direct
wireless powering of stationary devices
Sony demonstrated its
wirelessly powered
television
[2010 October]
Demonstration of WiTricity on cell
phone and LCD at the TED conference
13. Limitations
It
is a midrange technology.
(max 7.5 m)
The maximum efficiency obtained in full
ideal conditions is 95% .
Only obstructions are metal structures like
metal doors and metal walls.