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What is Corona Effect in transmission line and its advantages and disadvantages
for more video click on this link:https://www.youtube.com/channel/UCx84IUTD6j07XRJtytmxdyQ/videos
The phenomenon of ionization of
surrounding air around the conductor, hissing noise and production
of Ozone gas in an overhead transmission line is known as
Corona Effect.
Diameter of the conductor is increased.
The increased diameter reduces the electro- static stresses between the conductors.
Corona effect reduces the effects of electrical transients produced by surges
The corona power loss reduces the efficiency of the transmission line.
Corona effect produces Ozone which lead corrosion of the conductor.
Voltage drops occur in the line.
The radio and TV interference occurs on the line.
The Corona effect can also damage the line insulation.
By increasing conductor spacing
By increasing conductor size
Using bundled conductors
Using Anti Corona Ring