高压交联聚乙烯电缆的水树及状态评定

Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316) Pub Date : 2002-04-07 DOI:10.1109/ELINSL.2002.995893

S. Hvidsten, H. Faremo, R. Eriksson, Wei Min

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引用次数: 3

摘要

结果表明，高压交联聚乙烯电缆(36kv及以上)的疏水程度与电缆设计和供电(系统)电压有很大关系。水树通常相对较短，但它们的密度与类似设计的中压电缆中观察到的密度相似。无损诊断试验结果表明，在中压电缆无损诊断技术的基础上，也可以对老旧高压电缆进行水树检测。

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Water treeing and condition assessment of high voltage XLPE cables

The results show that the degree of water treeing in HV XLPE cables (36 kV and above) is strongly dependent upon the cable design and the service (system) voltage. The water trees are typically relatively short, but their density is similar to that observed in medium voltage cables with similar design. The results from the nondestructive diagnostic testing show that it can be possible to detect water treeing also in old high voltage cables extending diagnostic techniques developed for medium voltage cables.

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Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316)

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