Cavaleiro, P.M.Araújo, F.M.Lobo Ribeiro, Antonio B.2019-09-232019-09-231998http://hdl.handle.net/10284/8015A hybrid fibre optic current sensor combining a metal-coated fibre Bragg grating with a standard current transformer is described. Measurements of the RMS current of power lines at 50 Hz with a resolution of 2 mA is demonstrated.engFibre optic sensorsjournal article10.1049/el:19980785