10kV power cable single-phase fault repair method
The invention relates to a 10kV power cable single-phase fault repair method, on the premise of keeping two phases in normal operation, only a single phase where a fault occur is repaired, a soft connecting wire is utilized to solve the problem of a fault phase wire core butt joint, an insulating wa...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a 10kV power cable single-phase fault repair method, on the premise of keeping two phases in normal operation, only a single phase where a fault occur is repaired, a soft connecting wire is utilized to solve the problem of a fault phase wire core butt joint, an insulating waterproof adhesive tape is utilized to solve the installation problem of a cable inner sheath at a fault position, a zipper type heat-shrinkable tube is utilized to solve the installation problem of a cable outer sheath at the fault position, and sealant and waterproof glue are utilized layer by layer to perform wrapping and filling, thereby effectively solving the problems of cable insulating performance and sealing performance recovery. At that same time, the fault repair time is effectively reduced, the construction cost is reduced, and the power supply reliability is improved.
本发明涉及种10kV电力电缆单相故障修复方法,在保留正常运行两相的前提下,仅对发生故障的单相进行修复,使用软连接线解决故障相线芯做对接的问题,使用绝缘防水胶带解决故障处电缆内护套的安装问题,使用拉链式热缩管解决故障处电缆外护套的安装问题,逐层使用密封胶、防水胶等加以包缠填充 |
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