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Metal-coated fibre Bragg grating sensor for electric current metering

Metal-coated fibre Bragg grating sensor for electric current metering

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Published

A hybrid fibre optic current sensor combining a metal-coated fibre Bragg grating with a standard current transforrner is described. Measurements of the RMS current of power lines at 50 Hz with a resolution of 2 mA is demonstrated.

Inspec keywords: diffraction gratings; electric current measurement; power cable testing; current transformers; fibre optic sensors

Other keywords: fibre Bragg grating sensor; power lines; current transformer; 50 Hz; electric current metering; current sensor; RMS current

Subjects: Power cables; Fibre optic sensors; Current measurement

References

    1. 1)
      • S.C. Rashleigh , R. Ulrich . Magneto-optic current sensing with birefringent fibres. Appl. Phys. Lett. , 768 - 770
    2. 2)
      • G.L. Tangonan , D.I. Persechini , R.J. Morrison , J.A. Wysocki . Current sensing with metal-coated multimode optical fibres. Electron. Lett. , 958 - 959
    3. 3)
      • A.B. Lobo Ribeiro , L.A. Ferreira , M. Tsevtkov , J.L. Santos . All-fibre interrogation technique for fibre Bragg sensors using biconicalfibre filter. Electron. Lett. , 382 - 383
    4. 4)
      • A. Dandridge , A.B. Tveten , T.G. Giallorenzi . Interferometric current sensors using optical fibres. Electron. Lett. , 523 - 524
    5. 5)
      • N.E. Fisher , P.J. Henderson , D.A. Jackson . The interrogation of a conventional current transformer using an in-fibreBragg grating. Meas. Sci. Technol. , 1080 - 1084
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