Compensation methods of the temperature dependence of glass ring type optical current sensors

M. Willsch; M. Richter; J. Kaiser; T. Bosselmann; T. Judendorfer

doi:10.1117/12.2539114

28 August 2019 Compensation methods of the temperature dependence of glass ring type optical current sensors

M. Willsch, M. Richter, J. Kaiser, T. Bosselmann, T. Judendorfer

Proceedings Volume 11199, Seventh European Workshop on Optical Fibre Sensors; 1119904 (2019) https://doi.org/10.1117/12.2539114
Event: Seventh European Workshop on Optical Fibre Sensors, 2019, Limassol, Cyprus

Abstract

Optical current sensors or so called optical current transformers (OCT) based on the Faraday effect have an intrinsic temperature dependency of the current sensitivity caused by the natural drift of the Verdet constant as well as birefringence in the sensing medium. In order to reach high class accuracy of up to 0.2%, comparable to inductive current transformers, these effects have to be compensated.

Citation Download Citation

M. Willsch, M. Richter, J. Kaiser, T. Bosselmann, and T. Judendorfer "Compensation methods of the temperature dependence of glass ring type optical current sensors", Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 1119904 (28 August 2019); https://doi.org/10.1117/12.2539114

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