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In transmission lines ________ loss is mainly dependent on the supply frequency.

  • In transmission lines Corona loss is mainly dependent on the supply frequency.
  • Corona is a phenomenon that occurs in high-voltage transmission lines when the electric field at the surface of the conductor exceeds a certain threshold value.
  • When this happens, the air surrounding the conductor breaks down and ionizes, producing a visible discharge (corona) and releasing energy in the form of heat, light, and noise.
  • Corona loss is the power loss that occurs due to this phenomenon, and it is highly dependent on the frequency of the supply voltage.
  • The corona effect depends on the electric field strength, which is directly proportional to the frequency of the voltage.