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Evaluation of an in-service aged ethylene-propylene rubber (EPR) insulated distribution cable

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2 Author(s)
Barry, E.P. ; Northeast Utilities Service Co., Hartford, CT, USA ; Luther, R.

An 18-year-old EPR-type compound insulated cable was removed from service for the purpose of evaluating its condition. AC breakdown test, microscopic examination, moisture analysis, tensile/elongation, and a U-bend plate test were performed on various pieces of the cable. The results, together with the trouble-free performance of other cables of this type on Northeast Utilities' system, suggest that cables of this particular type will provide trouble-free service over their expected lifetime (at least forty years)

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Power Delivery, IEEE Transactions on  (Volume:3 ,  Issue: 4 )