WIRELESS ELECTRICITY      FUTURE OF ELECTRICITY!!! 1                            SACHIN KHANDELWAL                         ...
THE BEGINNING…                 2
3TESLA’S DESIGN
4We Humans Love Electricity
5WE LOVE ELECTRICITYAnd to power our mobile devices we BUY… 40 BILLION disposable BATTRIES/yr…
6WHICH ENDS AS…
7AND WE USE..WIRES..
8WHICH SOMETIMES ENDS US..
9NECESSITY       Is the Mother of                  INVENTION
10MIT physicists invent WITRICITY!!
11MIT Experiment
12                   electricity    Electro   magnetism                                   magnetismMagnetic               ...
13Electricity is a general term that encompasses a  variety of phenomena resulting from the  presence and flow of electric...
14Magnetism is a force that acts at a distance dueto a magnetic field
15•   It is the tendency of a system to    oscillate with larger amplitude at    some frequencies than at others.•   These...
16Transformer
17On basis of resonant energy transfer
18
19Electric   Magnetic feild      feild
20•The magnetic field induces current in the capture coil, and amagnetic field around it.•The magnetic field of the two co...
21
22Home Electronics APPLICATIONS
23Mobile Electronics Applications
24Future with wireless electricity• More Convenient• More reliable• Environmental friendly
25What about Safety??• Non- radiative power transfer.• Magnetic Fields are safe for humans and  animals.• Highly resonant ...
26Disadvantages•Wireless power transmission can be possibleonly in few meters.•Efficiency is only about 40%.
27                   MARKET DEMANDS    MarketRapid growth in                 Mobile phones, portableMobile phone market   ...
28
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  • 40 BILLION DISPOSABLE BATTRIES/yr
  • WIRES
  • OF INVENTION
  • The magnetic field of the two couple tightly and transfer powerefficiently
  • Wireless power transmission can be possible only in few meters.
  • Wireless electricity

    1. 1. WIRELESS ELECTRICITY FUTURE OF ELECTRICITY!!! 1 SACHIN KHANDELWAL S.K.I.T
    2. 2. THE BEGINNING… 2
    3. 3. 3TESLA’S DESIGN
    4. 4. 4We Humans Love Electricity
    5. 5. 5WE LOVE ELECTRICITYAnd to power our mobile devices we BUY… 40 BILLION disposable BATTRIES/yr…
    6. 6. 6WHICH ENDS AS…
    7. 7. 7AND WE USE..WIRES..
    8. 8. 8WHICH SOMETIMES ENDS US..
    9. 9. 9NECESSITY Is the Mother of INVENTION
    10. 10. 10MIT physicists invent WITRICITY!!
    11. 11. 11MIT Experiment
    12. 12. 12 electricity Electro magnetism magnetismMagnetic basicsinduction Resonant magnetic coupling resonance Energy coupling
    13. 13. 13Electricity is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge.
    14. 14. 14Magnetism is a force that acts at a distance dueto a magnetic field
    15. 15. 15• It is the tendency of a system to oscillate with larger amplitude at some frequencies than at others.• These are known as the systems resonant frequencies (or resonance frequencies).• At these frequencies, even small periodic driving forces can produce large amplitude oscillations
    16. 16. 16Transformer
    17. 17. 17On basis of resonant energy transfer
    18. 18. 18
    19. 19. 19Electric Magnetic feild feild
    20. 20. 20•The magnetic field induces current in the capture coil, and amagnetic field around it.•The magnetic field of the two couple tightly and transferpower efficiently
    21. 21. 21
    22. 22. 22Home Electronics APPLICATIONS
    23. 23. 23Mobile Electronics Applications
    24. 24. 24Future with wireless electricity• More Convenient• More reliable• Environmental friendly
    25. 25. 25What about Safety??• Non- radiative power transfer.• Magnetic Fields are safe for humans and animals.• Highly resonant coupling minimizes energy transfer to “off resonant “ objects• Witricity systems are designed to meet int’l safety guidelines
    26. 26. 26Disadvantages•Wireless power transmission can be possibleonly in few meters.•Efficiency is only about 40%.
    27. 27. 27 MARKET DEMANDS MarketRapid growth in Mobile phones, portableMobile phone market music players, Bluetooth headsets. Technology DevelopmentRapid improvement in Electromagnetic inductionradio technology efficiency. method surpasses 60% the threshold for regular use. Competing TechnologyLimit of battery technology; Limits to increases in capacity ofDevelopment delay Li-ion batteries.
    28. 28. 28

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