Process and device for increasing the maintainability of underground power cables.

摘要

The invention refers to a method and a device for increasing the maintainability of underground power cables. According to the invention, the method consists of mounting a protective device (1.1) in between the metallic screen (1.4) and the wide strip (1.6) of the ground belt. The protective device (1.1) is made up of an active solid body type silicon-based protective element (3.3), which has a voltage rectifying and limiting characteristic.