Patent ID: 11862362
Assignee: NKT HV CABLES AB
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A multi-phase submarine power cable comprising:
a plurality of power cores arranged in a stranded configuration, and
a curvature sensor comprising:
an elastic elongated member, and
a plurality of Fibre Bragg Grating, FBG, fibres, each FBG fibre extending axially along the elongated member at a radial distance from a centre of the elongated member;

wherein the elongated member extends between the stranded power cores along a central axis of the multi-phase submarine power cable;
wherein the elongated member is in direct contact with one or more of the power cores in a plurality of axial locations along an axial length of the elongated member as the elongated member extends inside an interslice or cavity between the power cores.