Abstract
New power cable insulations based on covulcanized blends of ethylene propylene rubber (EPR) and polyethylene (PE) have been developed. These heat-, water-, ozone-, and highly corona-resistant insulations combine many of the desirable properties of both ethylene propylene rubber and polyethylene. Specific constructions of low-voltage, heat and moisture resistant power cables, aerial spacer cables, and portable power cables are reviewed and compared with existing constructions. It is felt that, compared to rubber insulated cables, the use of these new insulations can result in smaller diameter cables which exhibit many improved properties over thermoplastic or cross-linked polyethylene cables.
Published Version
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