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The world’s longest power transmission lines

Belo Monte-Rio de Janeiro, the world’s longest power transmission line, was completed in Brazil in April 2019. Image courtesy of State Grid Corporation of China.



  • high voltage direct current (HVDC) technology
  • Madeira HDVC link
  • UHVDC transformer
  • UHVDC
  • Inga-Kolwezi transmission line
  • Talcher-Kolar inauguration
  • Belo Monte-Rio de Janeiro
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