What is the difference between corona effect and skin effect in power transmission lines??





corona effect
In electricity, a corona discharge is an electrical discharge brought on by the ionization of a fluid surrounding a conductor that is electrically charged.
 “Corona is a discharge caused by electrical over stress.”
The ionization of air surrounding the conductor, due to which a spark produces, this is one of the power loss during transmission.

SKIN EFFECT:
  1. Skin effect is the tendency of an alternating electric current (AC) to become distributed within a conductor such that the current density is largest near the surface of the conductor, and decreases with greater depths in the conductor.
  2. In this case resistance of the conductor increases, thus increase the power loss.
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7 November 2020 at 01:58 ×

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electricalmag/electricalmag.com

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