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:
- 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.
- In this case resistance of the conductor increases, thus increase the power loss.
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