Y.AMRUTH SANJEEV REDDY 11W51A0250
T.HARI PRASAD 11W51AO245
ELECTRICAL AND ELECTRONICS
What is witricity ?
Need of witricity
is witricity secure ?
ease of witricity
future of witricity
WHAT IS WITRICITY ?
“The transfer of electricity from one place to other
without using wires ” is Known as Witricity.
• Nikola Tesla – The Genius
He did enlighten 200 lamps
at the distance of 40 km,
• But only 15% of efficiency
Reborn of witricity
• In 2007,MIT powered 60
watt light bulb from
2mts(7fts) at 40%
• Forgotten invention was
reborn in 2007
• Prof. Soljacic – Another
Works under mutual induction
Types of wireless energy transfer
There are 3 major types of wireless energy
• Short range : Inductive Coupling
• Medium range: Resonant Induction
• Long range : Electromagnetic Wave power transfer
NEED OF WITRICITY
Cell phones, IPod, laptop computers are capable
of re-charging themselves without ever being
IS WITRICITY SECURE?
Principle is based on Magnetic
The question is if Magnetic
Waves Secure ?
The answer is we all live in a
globe that has already
surrounded by magnetic waves.
Yes it is secure
Getting rid of great deal with cables.
Places where we cannot have physical cables.
Safe, fairly, efficient and good range.
Theoretically one stationary coil in a room
could supply power to multiple devices at
Power can be delivered in any direction.
Walls and furniture can be penetrated
through by Witricity.
Only obstructions are metal structures
like metal doors and metal walls.
ANY ELECTRICAL CONSUMING DEVICE
• Sony demonstrated its
• Demonstration of Witricity
on cellphone and LCD at
the TED conference.
Think that the city will be covered with Witricity hot
spots , just like Wireless Internet, there will be no
need of charging batteries, or carrying adapters all