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Operating conditions subject power cables insulation to a variety of stresses. Among them, the thermal constraint is considered as one of the most severe factors causing irreversible damage to the electrical insulation. In light of this, accelerated thermal aging experiment was performed on cross-linked polyethylene (XLPE) and Polyvinyl chloride class B (PVC/B) samples. This paper deals with an experimental...
Continuous application of high voltages in an underground cable can cause slow deterioration of its insulation system. Electronic charges can be generated within the medium of the material and this can lead to permanent change of its dielectric properties to withstand high electrical stresses. The long-term degradation of underground cable insulation plays an important role in its eventual breakdown...
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