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The first successful repair technology of on-site insulation water tree for medium voltage cross-linked cables
2012-08-17
National Energy Administration News On February 25, the State Grid Sichuan Electric Power Company successfully used cable insulation field repair technology for the first time in Luzhou 220 kV Linzhuang Substation to achieve on-site insulation repair of 10 kV operating cables, marking my country's power grid cable insulation field Repair technology has made a major breakthrough and provided technical support for solving the aging problem of urban distribution network cable insulation in the future. This cable repair technology through the high-voltage cable core pressure injection of silicone repair fluid, so that the repair fluid and water chemical reaction, the generation of silicone substances to fill the cable water tree gap, so as to eliminate the water tree, repair cable insulation, extend the role of cable life, the use of this technology is the first time in China.
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