在運(yùn)水樹老化電纜絕緣性能提升技術(shù)的應(yīng)用
李巍巍1,楊琳1,朱柯1,曹騎峰2,王虎2,張藝凡3
(1 國網(wǎng)四川省電力公司電力科學(xué)研究院,四川 成都 610072;2 國網(wǎng)四川省電力公司成都供電公司,四川 成都 610041;
3 國網(wǎng)四川省電力公司眉山供電公司,四川 眉山 620010)
摘 要:基于硅氧烷的水樹老化電纜修復(fù)技術(shù)為解決配網(wǎng)電纜老化問題提出了新的解決方案。介紹了水樹老化交聯(lián)聚乙烯電纜修復(fù)技術(shù),分析了其在實(shí)際應(yīng)用中對電纜絕緣性能的提升效果以及注入技術(shù)的相關(guān)檢測手段,實(shí)際案例中運(yùn)行電纜的現(xiàn)場修復(fù)測試結(jié)果表明,修復(fù)后老化電纜的絕緣性能有明顯提升,并成功并網(wǎng)運(yùn)行,說明該修復(fù)技術(shù)對老化電纜絕緣性能有良好的恢復(fù)作用。
關(guān)鍵詞:交聯(lián)聚乙烯電纜;水樹老化;硅氧烷;修復(fù)技術(shù)
中圖分類號:TM247;TM855 文獻(xiàn)標(biāo)識(shí)碼:B 文章編號:1007-3175(2018)04-0044-04
Application of Technology of Improving Insulation Performance of Water Tree Aging Cable
LI Wei-wei1,YANG Lin1, ZHU Ke1, CAO Qi-feng2, WANG Hu2, ZHANG Yi-fan3
(1 State Grid Sichuan Power Supply Company Electric Power Research Institute, Chengdu 610072, China;
2 State Grid Sichuan Power Supply Company Chengdu Power Supply Company, Chengdu 610041, China;
3 State Grid Sichuan Power Supply Company Meishan Power Supply Company, Meishan 620010, China)
Abstract: On the basis of the technology of water tree aging cable rejuvenation based on siloxane, this paper put forward a new solution to solve the aging problem of the distribution network cable. Introduction was made to the water tree aging crosslinked polyethylene cable rejuvenation technology. This paper analyzed the lifting effect of cable insulation performance in practical application and the correlation detection means injecting technology. In practical case the onsite rejuvenation test result of operation cable shows that after the rejuvenation, the aging cable insulation performance is improved significantly, which illustrate the rejuvenation technology plays a good part in recovering the aging cable insulation performance.
Key words: crosslinked polyethylene cable cables; water-tree age; siloxane; rejuvenation technology
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