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Wireless Power Transmission

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  • Difficulty Level : Basic
  • Last Updated : 15 May, 2022
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Wireless power transmission is an updated technique of power transmission without using any wires in the medium. A wireless transmission transfers power from the generation station to the consumer without using towers and transmission lines. Wireless Power Transfer (WPT) is the process where electrical energy is transmitted from a power source to an electrical load across an air gap using induction coils. These coils produce an electromagnetic field that sends energy from a charging base station (transmitter) to a coil on a portable device (receiver) with complete galvanic isolation. The receiver coil takes power from the electromagnetic field and converts it into electrical power.

Wireless Power Transmission Methods


Working of Wireless Power Transfer:

  • Wireless power transfer works on the principle of electromagnetic induction.
  • A transmitter placed on the generation side generates flux to link with the receiver end.
  • At the consumer end, we will place a receiver it receives the flux and covers it with electricity.
  • It will be used for a permissible distance, by using solar power satellites we can transfer power anywhere in the world.
  • In the solar power satellite transmission, We just need to place a transmitter at the satellite end. We can place receivers wherever need power on the earth.
Working of Wireless Power Transfer


Wireless Power Transmission through Solar Power Satellites:

Solar power transmission using solar satellites was first introduced in the 1970s. The solar satellites generate power using their solar panels by using the sunrise 24/7. And the power generated will be transmitted by a transmitter in the form of microwaves. On the earth,  for every consumer, we will place a receiver on the roof of the building. Here the receiver receives the microwave and it converts the received waves into electricity. 

Wireless power transformer


Applications of Wireless Power Transmission:

  • Wireless power transmission is used in place of transmission lines to transfer power from one place to another place.
  • It is also used in distribution systems to transfer power to the consumers.
  • It is also mostly used in industries and all electrical applications.


  • By using solar power satellites,  we can produce unlimited energy resources.
  • We can deliver energy anywhere in the world. 
  • The cost of distribution and transmission becomes less.
  • The power could be transmitted to various places which do not contain the wired transmission.
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