Abstract:When unjacketed medium voltage (MV) extruded power cables were first installed in the late 1960's, cable manufacturers and utilities expected them to perform reliably for 20 or even 30 years. History has shown that the service life of some of these early cables, whether HMWPE or EPR, could be improved. Since then, utilities in North America have demanded and obtained significant improvements in the performance and reliability of MV underground cables. Improvements in insulation cleanliness and resistance to we… Show more
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