Electrical aging performance of tree-retardant XLPE versus standard XLPE as insulation for distribution cables

Results of accelerated water treeing tests conducted on two standard XLPE and three tree-retardant XLPE compounds are presented. A correlation between miniature and full-size cable testing has been established, permitting the miniature cable evaluation technique to be used as an effective laboratory test for screening tree-retardant materials. An advantage of the miniature cable test is its lower testing cost and shorter test time.<
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