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Proceedings Paper

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

Paper Details

Date Published: 28 August 2019
PDF: 4 pages
Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 1119904 (28 August 2019); doi: 10.1117/12.2539114
Show Author Affiliations
M. Willsch, Siemens AG (Germany)
M. Richter, Siemens AG (Germany)
J. Kaiser, Siemens AG (Germany)
T. Bosselmann, Siemens AG (Germany)
T. Judendorfer, Siemens AG (Germany)

Published in SPIE Proceedings Vol. 11199:
Seventh European Workshop on Optical Fibre Sensors
Kyriacos Kalli; Sinead O. O'Keeffe; Gilberto Brambilla, Editor(s)

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