PE/ xlpe绝缘中压电缆网络的状态维护- irc的验证-分析确定电缆的使用年限

G. Hoff, H. Kranz
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引用次数: 8

摘要

为了对聚合物绝缘电缆网络进行预防性维护和更经济的运行,对敷设的PE/ xlpe电缆的状态进行无损评估是一种基本需求。这一贡献提出了一种基于状态的维护概念,并将irc分析应用于德国一家主要公用事业公司的20kv电缆网络的一部分。有了这个概念,分配器能够减少绝缘故障的数量,特别是对于1984年以前生产的电缆。打破了断层增加的总体趋势,提高了供能质量。
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Condition based maintenance of PE/XLPE-insulated medium voltage cable networks-verification of the IRC-analysis to determine the cable age
For a preventive maintenance and a more economical operation of polymer insulated cable networks a destruction free estimation of the status of laid PE/XLPE-cables is a basic need. This contribution presents a condition based maintenance concept with the IRC-Analysis applied on a part of the 20 kV-cable network of a major German utility. With this concept the distributor was able to reduce the amount of insulation failures-especially for cables manufactured before 1984. The general tendency of increasing faults was broken and a higher quality of energy supply was achieved.
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