Why cannot we insulate HT over head cable to avoid ionization of air around the HT Cable?..By this we can minimise corona loss also..



Why cannot we insulate HT over head cable to avoid ionization of air around the HT Cable?..By this w..

Answer / asif

It would require a very very thick insulation which will b
very very costly, a thin insulation will melt. corona
effect or air insulation is not of much hazard that is why
HT is not insulated.

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