Comparison of waterproof reliability of 10KV XLPE power cable joint in Shanghai urban area

In Shanghai urban area, 10kV XLPE power cable is widely used in the new distribution project, and the oil-paper cable reconstruction project. One of the major challenges associated with XLPE power cable is that once water is entered into it, the water trees will eventually lead to insulation capability drop sharply. In order to prevent this situation, the best way for cable joint waterproof should be found.