Abstract: This power cable comprises at least one conductive element and further comprises: at least one means (36) for measuring at least one physical quantity; at least one electronic circuit (32), connected to the measurement means (36) and suitable for receiving from the at least one measurement means (36) at least one signal representative of the at least one physical quantity; and at least one energy harvesting system (30) disposed inside the cable, suitable for supplying the at least one electronic circuit (32) with electrical energy from the electrical energy available in the at least one conductive element.

Abstract: A power cable (10) includes at least one electrical conductor (12) and at least one interstice (14) in the vicinity of the electrical conductor (12). The cable (10) further has at least one electronic device (18) for radiofrequency identification and at least one tube (16) arranged in the at least one interstice (14) and containing the electronic device (18) for radiofrequency identification.

Abstract: An undersea connection system for connecting together at least three high voltage or very high voltage undersea electric cables comprises an outer cage defining a connection space; and a connection fitting comprising a conductive connection electrode that presents a junction node from which there extend at least three branches. Each of the at least three branches of the conductive electrode includes a male terminal portion that is connected to a respective one of the electric cables in a connection zone about which there is mounted a connection sleeve made of pre-molded insulating material that receives, via its ends, firstly the male terminal portion of one of the branches of the conductive electrode, and secondly the connection end of one of the electric cables.

Abstract: An undersea connection system for connecting together at least three high voltage or very high voltage undersea electric cables comprises an outer cage defining a connection space; and a connection fitting comprising a conductive connection electrode that presents a junction node from which there extend at least three branches. Each of the at least three branches of the conductive electrode includes a male terminal portion that is connected to a respective one of the electric cables in a connection zone about which there is mounted a connection sleeve made of pre-molded insulating material that receives, via its ends, firstly the male terminal portion of one of the branches of the conductive electrode, and secondly the connection end of one of the electric cables.