TNPSC Thervupettagam

Superconducting fusion magnet system – ITER

July 19 , 2025 16 hrs 0 min 23 0
  • The world’s largest and most powerful device being built for clean energy reached an important milestone in 2025.
  • The International Thermo-Nuclear Experimental Reactor (ITER) Project is now currently under construction in a 180-hectare site in Southern France.
  • Over 30 countries, including India, are collaborating to build the world’s largest tokamak.
  • It is a magnetic fusion device to prove the feasibility of nuclear fusion as a large-scale and carbon-free source of energy.
  • Nuclear fusion generates energy through merging of two light nuclei to form a single heavier nucleus.
  • Fusion reactions power the Sun and other stars.
  • ITER aimed at demonstrating that nuclear fusion can be a safe, carbon-free, and sustainable energy source.
  • It uses the deuterium and tritium (hydrogen isotopes) to undergo the fusion at temperatures over 150 million °C.
  • Its goal is to achieve a fusion gain (Q) of 10, producing 500 megawatts of fusion power from just 50 megawatts of input heating power, a 10x gain.

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