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首页> 外文期刊>IEEE Transactions on Power Delivery >Evaluation of service aged 35 kV TR-XLPE URD cables
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Evaluation of service aged 35 kV TR-XLPE URD cables

机译:评估使用过的35 kV TR-XLPE URD电缆

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摘要

This paper provides information on the aging of URD power cableninsulated with a tree-retardant crosslinked polyethylene (TR-XLPE)ncompound, installed in a typical utility environment, Numerousnevaluations were performed on samples of power cables aged up to 7 yearsnin-service. AC and impulse voltage breakdown data are compared with datanfor similar 35 kV ethylene propylene rubber (EPR) and crosslinkednpolyethylene (XLPE) insulated cables removed from the same utilitynsystem. The data show that, to date, the rate of degradation of TR-XLPEncables is less than that of the EPR and XLPE insulated cables.nExtrapolation of the data, assuming the same rate, indicates TR-XLPEncable will have the longest life
机译:本文提供了在典型的公用事业环境中安装的,用树状交联聚乙烯(TR-XLPE)n化合物绝缘的URD电力电缆的老化情况的信息。对使用寿命长达7年的电力电缆样本进行了大量评估。将交流和脉冲电压击穿数据与从同一公用事业系统中拆除的类似35 kV乙丙橡胶(EPR)和交联聚乙烯(XLPE)绝缘电缆的数据进行比较。数据表明,迄今为止,TR-XLPEncable的降解速率小于EPR和XLPE绝缘电缆的降解速率.n假设相同的速率,数据外推表明TR-XLPEncable的使用寿命最长

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