Research Article

An Advanced Partial Discharge Recognition Strategy of Power Cable

Table 1

Materials electrical characteristics of the model.

Structure partsOuter diameter/mmMaterialRelative permittivityConductivity

Conductor20.4Copperā€”
Conductor shield21.8Semiconductor30.02
Insulation30.1Silicone rubber3.20
Insulation shield31.5Conductive silicon rubber90.00.5
Copper joint shield34.9Copperā€”
Composite tape35.5PVC3.0
Polyethylene sheath40.0XLPE2.30