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# WITRICITY16

28 de Jul de 2016
1 de 18
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### WITRICITY16

1. WITRICITY -WIrelesselecTRICITY Presentedby k.s.s.pranavi
2. OUTLINES  INTRODUCTION  HISTORY  NEED OF WITRICITY  WORKING  ADVANTAGES  DISADVANTAGES  APPLICATIONS  CONCLUSION
3. INTRODUCTION  The percentage of loss of power during transmission and distribution is approximated as 26%.  Tesla has proposed method of transmission of electricity using electro magnetic induction
4. What is witricity?  Transmission of energy to air  Process of transferring electrical energy or power over distance without using wires also known as witricity or wireless power transmission  batteries for transmission of power
5. WHY TO USE WITRICITY??
6. HISTORY  Sir NICHOLAI TESLA was the first one to propose and research the idea of wireless transmission in 1899  Tesla enlighten 200 lamps at he distance of 40km but only 15% efficiency was achieved.
7. Basic Principle: Magnetic resonance.
8. Types of wireless energy transfer techniques Short range– Inductive coupling Mid range– Resonance Inductive coupling Long range- Electromagnetic Wave Power Transfer
9. Witricity works on the principle of mutual induction between the two coils. There are two copper coils arranged one at the sender end and other at the receiver end .The first coil is attached to the power source while the second coil to the light bulb. When the power is switched on the first coil converts the electricity into magnetic field ,which is oscillating at a particular frequency i.e, AC source. The second coil at the receiver end converts the magnetic field into electricity . The surrounding environment is unaffected. WORKING PRINCIPLE
10. HOW DOES RESONANT INDUCTION WORKS  Same principles as magnetic induction, but uses resonance to increase the range.  Everything resonates at a certain frequency, based on its shape and material.  Energy transfers easily between resonating objects.  With resonant induction, power is transmitted between two resonating coils. 7/28/2016 WiTricity 10
11. ADVANTAGES  Safe, fairly efficient, good ranges  More secure, no risk of getting shocked  Maintenance cost will be saved  Non-radioactive energy transfer is safe for people and animals.  Wastage of power is less.  No need of power cables, batteries, e-waste and line of sight
12.  Wireless power transmission can be possible only in few minutes  Need for standardization and adaption.so a little overheating occurs because of different voltages  Refitting old equipment's or purchasing new equipment's could become a very expensive endeavour  Possibility of “energy theft”. Wi Fi, someone can be using your internet or your power. Disadvantages
13. Consumer electronics transportation industrial miscellanous APPLICATIONS
14. CONCLUSION  think that city will be covered with WPT hot spots , just like Wireless Internet, there will be no need of charging batteries or carrying adapters all around  Wireless power transfer is quickly becoming a viable reality.
15. WORLD IN OUR DREAM
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