Protection from the Abruption of the Concentric Supply Cable

Constantinos D. Halevidis, Aikaterini D. Polykrati, Constantinos G. Karagiannopoulos, and Perikles D. Bourkas


Cable abruption, Concentric cable, Lightning phenomena


In this work, a real event in which a person suffered lethal electrocution from the concentric supply cable is investigated. Specifically, the abruption causes are identified. From the calculation results, it can be concluded that cable abruption is possible due to a direct lightning stroke and its resulting temperature rise from the current and the insulation ignition. Additionally, a protection method against the abruption of the supply cable is proposed, utilizing the PSTN (Public Switched Telephone Network) technology.

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