‘Ocean Wave Energy Converter’ developed to generate electricity from sea waves

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‘Ocean Wave Energy Converter’ developed to generate electricity from sea waves

  • Recently IIT-Madras has developed ‘Ocean Wave Energy Converter’ to generate electricity from ocean waves.
  • This Ocean Wave Energy Converter has been named Sindhuja. The converter consists of a floating buoy, a spar and an electrical module.
  • The buoy moves up and down with the waves. A hole is made in its center and a fixed spar is fixed in it.
  • When this buoy moves up and down, its motion generates energy. This energy is used in the generation of electricity.
  • This can help India meet the energy needs of its islands. It could also help meet the climate change target of producing 500 GW (gigawatts) of renewable energy by 2030.
  • Tidal waves and ocean thermal energy are stored in sea water. This makes it possible to generate 40 GW wave energy in India.
  • Tidal energy is generated due to the gravitational force between the Earth, the Sun and the Moon.
  • Wave energy is generated due to wind blowing on the surface of the sea.
  • Ocean thermal energy is generated by the temperature difference (thermal gradient) between ocean surface water and deep ocean water.

Key Benefits:

  • There is no pollution, it is renewable energy, the density of available energy is high,
  • Compared to some other renewable energy sources, its energy production can be estimated. Also, there is less possibility of fluctuations in power generation etc.

Key Challenges:

  • Initially the cost is very high,
  • This can pose a threat to marine life and shipping,
  • It is confined to a particular location and there is a risk of damage to the power equipment due to natural calamities.

Source – The Hindu

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