Why there are semi conductor layers on conductor and XLPE
insulation of HT cables

Why there are semi conductor layers on conductor and XLPE insulation of HT cables..

Answer / k.prakashchandra

To influence electric field within the insulation
layer.These layers are not doped and are intrinsic.They
insure that the electrical stresses spread evenly and safely
within the insulation as the cable is not provided with lead

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