Free WIRELESS ELECTRICITY Presentations in PowerPoint format

WIRELESS ELECTRICITY

In this paper....

1) What do you mean by Witricity ?

2) Need of Witricity.

3) History of wireless power.

4) Techniques to Transfer

5) Application , Pros and cons.

6) Future and conclusion.

The Wardenclyffe Tower

Built the wardenclyffe tower which could broadcast power wirelessly using far-field techniques. Called off as it radiated power into surroundings raising issues
of

power loss
Power theft
Health concerns

Applications of long range transmission

SOLAR POWER SATELLITES:
The most imp. Application or advancement:

1) absorb light energy from sun.

2) converted to electric energy and beamed to earth stations in form of microwave beams

3) so it can power satellites,aircrafts,even supply electricity to places where wired connections are not possible at lower prices.

Wireless electricity way back in the 1800s……..

In the year 1891,Nikola Tesla proposed the method of wireless transmission of electric power

One of the greatest breakthroughs of science at that timeOne of the greatest breakthroughs of science at that time

Types of wireless energy transfer techniques are:-

Short range-Inductive

Coupling

Mid range-Resonance

Inductive Coupling

Long range –Microwave

Transmission

INDUCTIVE COUPLING

• Uses Electromagnetic Induction concept
• Primary and secondary coils are not connected with wires.
• Energy transfer is due to Mutual Induction
• This method works only when receiver is in close proximity to the transmitter.

Microwave Transmission

Aims at higher power transfer over longer distances practically in the range of some miles

Requires a microwave source, antenna and rectenna.

Steps:

1.conversion of electrical to microwave energy

2.Capturing of microwave beams by Rectenna

3.conversion of microwave to electrical energy

Advantages:

1.Efficient and reliable power.

2. Creation of a shock free environment devoid of any chances of power thefts.

3. Provides solution to the ever increasing demand for power.

4. A solution to reduce e-waste- a more safe environment.

5. A more cost effective methodology for getting electricity to your houses which includes paying less for use of power.

Disadvantages:

1.For short and mid range transfer system has to be set at the right frequency or there would be no power transfer.

2.For long range the installation cost is high while the microwaves will cause harmful effects to the human.

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