The good
effect of corona on overhead lines is to
Increase the
line carrying capacity due to conducting ionised air envelop around the
conduction.
Increase the power factor due to corona loss
Reduce the
radio interference from the conductor
Reduce the steepness of surge fronts
Reduce the steepness of surge fronts
The good
effect of corona an over head lines is to reduce the steepness of surge fronts.
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