Abstract:The use of polymers covered cables for medium voltage electricity distribution grids is an attractive option in Brazil thanks to their low cost and simplicity in installation. Owing to the fact that there are not controlling electric fieldsin those cables, they present surface currents in their polymeric covers which are reponsible for electric tracking and erosion. This p p e r describes a methology of electric tracking test of polymeric material covers of cables using actual cables in contrast with the metho… Show more
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