Mother Teresa Institute of Science and Technology
Sathupally
(Affiliated to Jawaharlal Nehru Technological University; Hyd...
Wireless Electricity Transmission
Outline
•
•
•
•
•
•
•
•
•

Introduction.
Background.
Microwave Power Transmission And Reception
Technique.
Current Design ...
Introduction
•Wireless Electrical Transmission as the name shows
is the Transmission of Electrical Energy without
wires to...
Electric Energy
Transfer
An electric current flowing through a conductor, such as a
wire, carries electrical energy. When...
Background

Nikola Tesla (1856-1943) The Father of Wireless
Electricity.

Tesla's many inventions include
high-frequency
g...
TeslaWirelessPower1891

Wireless transmission of power and energy
demonstration during his 1891 lecture on high
frequency ...
Innovations
• Alternating Current.
• Wireless Power Transmission Experiments at
Wardenclyffe.

In 1899 Nikola Tesla was ab...
Wireless Electricity Transmission And
Reception Using Microwaves
Microwave Power Transmission And Reception
Technique
Microwaves generated using the Magnetron from the base station
can be...
Rectenna Design

• 5000 Mw Receiving Station (Rectenna).

This station is about a Mile and Half long.

• The Rectenna Woul...
Advantages of Using Microwaves for
Wireless Electricity Transmission
•
•
•
•
•
•
•
•
•

High Efficiency Up to 85% .
Power ...
System Losses Of Wired Electricity Transmission

36.3GJ

Electricity Grid 32.7 GJ
10%

Customer

Distribution/
Transmissio...
Advantages Of Wireless Electricity Transmission

• Power Loss is very less as compared to Wired
•
•

Electricity Transmiss...
Disadvantages of wireless Electricity
Transmission

• The Size of Rectenna will be Massive.
• Would Require a Network of h...
Issues

• Who will Fund?

NASA: Funding The research, in charge of space flight
for the United States Of America.
NASA: Wo...
THANK YOU
TO ALL OF
YOU
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wireless power transmission Kkk

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wireless power transmission Kkk

  1. 1. Mother Teresa Institute of Science and Technology Sathupally (Affiliated to Jawaharlal Nehru Technological University; Hyderabad . Submitted by:- SWAPNA
  2. 2. Wireless Electricity Transmission
  3. 3. Outline • • • • • • • • • Introduction. Background. Microwave Power Transmission And Reception Technique. Current Design of Rectenna. Advantage of Using Microwaves For Wireless Electricity Transmission. System Losses Of Wired Electricity Transmission. Advantages Of Wireless Electricity Transmission. Disadvantages Of Wireless Electricity Transmission. Issues And Conclusions.
  4. 4. Introduction •Wireless Electrical Transmission as the name shows is the Transmission of Electrical Energy without wires to any place on Earth. Even to the most remote areas. •The Electrical energy is first converted into Microwaves then beamed to a Geosynchronous satellite and Beamed back on Earth where needed and converted back to electrical energy. Where it can be used to power Electrical Equipments.
  5. 5. Electric Energy Transfer An electric current flowing through a conductor, such as a wire, carries electrical energy. When an electric current passes through a circuit there is an electric field in the dielectric surrounding the conductor; magnetic field lines around the conductor and lines of electric force radially about the conductor. Current circuit, if the current is continuous, the fields are constant; there is a condition of stress in the space surrounding the conductor, which represents stored electric and magnetic energy, just as a compressed spring or a moving mass represents stored energy a direct
  6. 6. Background Nikola Tesla (1856-1943) The Father of Wireless Electricity. Tesla's many inventions include high-frequency generators (1890) and the Tesla coil (1891), a transformer with important applications in the field of radio communications
  7. 7. TeslaWirelessPower1891 Wireless transmission of power and energy demonstration during his 1891 lecture on high frequency and potential. Tesla's Wardenclyffe plant on Long Island in 1904. From this facility, Tesla hoped to demonstrate wireless transmission of electrical energy across the Atlantic
  8. 8. Innovations • Alternating Current. • Wireless Power Transmission Experiments at Wardenclyffe. In 1899 Nikola Tesla was able to light lamps over 25 miles away without using wires. Also the high frequency current of tesla coil, could light lamps filled with gas (like Neon). 1940s to Present • World war II developed ability to convert energy to microwave using magnetron but no method to convert microwave back to electricity. • In 1964 William. C Brown demonstrated a Rectenna which would convert Microwaves Power to Electricity.
  9. 9. Wireless Electricity Transmission And Reception Using Microwaves
  10. 10. Microwave Power Transmission And Reception Technique Microwaves generated using the Magnetron from the base station can be received at any location on Earth with the help of Geosynchronous Receiving and Transmitting Satellites. Advantages of Low Orbit And Geosynchronous Satellites: * These satellites will use microwaves to beam power to the receiving station and mobile power receiving devices. * Since The low Orbit Microwave Beam Would spread less, the ground based Rectenna could be smaller. Recent Developments Suggest that power could be sent to Earth using Laser also. The power can be received at Rectenna which will be located on Earth, Comprising a mesh of dipoles and diodes for absorbing microwave energy from a transmitter and converting it back into electrical power. 95% of the Microwave Beam will fall on the Rectenna. Location of Rectenna : The Rectenna should be located near
  11. 11. Rectenna Design • 5000 Mw Receiving Station (Rectenna). This station is about a Mile and Half long. • The Rectenna Would be Visually Transparent so that it would not interfere with Plant life.
  12. 12. Advantages of Using Microwaves for Wireless Electricity Transmission • • • • • • • • • High Efficiency Up to 85% . Power Level is Well Below International safety standard. Beam is far below the lethal levels of concentrations even for a prolonged exposure. Frequency is up to 2.45 GHz of the Micro Beam. Retro-directive Beam Control capability. No Air Or water Pollution is Created. During Generation power can be Beamed to the location Where it is needed. We don’t have to invest in a large Electrical Grid. If Microwave Beams Carrying power could be beamed uniformly over the earth they could power cell phones, but the antenna length should be 25-30 cm square.
  13. 13. System Losses Of Wired Electricity Transmission 36.3GJ Electricity Grid 32.7 GJ 10% Customer Distribution/ Transmission Power Supply 40% We lose, on average, 80% of the energy we extract when using it for electronic products 19.6 GJ
  14. 14. Advantages Of Wireless Electricity Transmission • Power Loss is very less as compared to Wired • • Electricity Transmission. There is no need of Transmission Lines. Health and Environmental Experiments claim that Wireless Electricity Transmission Using Microwaves and laser is safe.
  15. 15. Disadvantages of wireless Electricity Transmission • The Size of Rectenna will be Massive. • Would Require a Network of hundreds of satellites. • The Cost of this Prototype Project Will Be $74 Billion approx. • Interference with other Electronic Devices will be there.
  16. 16. Issues • Who will Fund? NASA: Funding The research, in charge of space flight for the United States Of America. NASA: Would be launching the satellites and doing Maintenance. Conclusion • More Reliable Than Ground Based Solar Power Generation. • More Reliable Than Wired Electricity Transmission. • In Order To Have Wireless Electricity Transmission To Become a Reality, Following Things Have To Happen: #Government Support. #Cheaper Launch Prices. #Involvement Of The Private Sector.
  17. 17. THANK YOU TO ALL OF YOU
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