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Solar Energy

  • IASbaba
  • July 8, 2021
  • 0
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Solar Energy

Part of: GS Prelims and GS-III – Solar Energy

In news

  • A new Concentrated Solar Thermal (CST) based test rig facility was established at Hyderabad recently.
  • It can help test the capability and performance of solar thermal components like solar receiver tubes, heat transfer fluids, and concentrating mirrors. 
  • The facility is set up by the International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), an autonomous institute of the Department of Science & Technology (DST).

About Solar energy

  • Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis
  • Some of its advantages include: Pollution free, virtually inexhaustible supply and global distribution.
  • Due to global warming and climate change, world is now compelled to move from fossil based energy towards clean and green energy.

What is the Technology used to harness solar energy?

  • Solar Photovoltaic: Solar photovoltaic (SPV) cells convert solar radiation (sunlight) into electricity.  A solar cell is a semi-conducting device made of silicon and/or other materials, which, when exposed to sunlight, generates electricity.
  • Solar thermal: Solar Thermal Power systems, also known as Concentrating Solar Power systems, use concentrated solar radiation as a high temperature energy source to produce electricity using thermal route (water converted into steam to turn turbines).

Solar Energy in India

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