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Proceedings Paper

Integration of fibre Bragg grating strain sensors into composite electrical insulators
Author(s): Alain Trouillet; Damien Lepley; Alain Mure-Ravaud; Emmanuel Marin
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Paper Abstract

Fiber Bragg Gratings (FBG) sensors embedded in composite insulators used for electrical high voltage applications have been studied. The study included the design of a new method for the manufacturing of composite insulators with optical fibers. The instrumented prototype insulators are intended to keep track of the mechanical and thermal stresses endured by the insulators in actual operating conditions. Optical characterization of the FBG sensors have been made using an erbium laser source and a spectrum analyzer. A 5kN strain resolution in a temperature range between -40°C and +60°C has been achieved using standard SMF-28 optical fibers.

Paper Details

Date Published: 9 June 2004
PDF: 4 pages
Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); doi: 10.1117/12.566607
Show Author Affiliations
Alain Trouillet, Univ. Jean Monnet Saint-Etienne (France)
Damien Lepley, SEDIVER (France)
Alain Mure-Ravaud, Univ. Jean Monnet Saint-Etienne (France)
Emmanuel Marin, Univ. Jean Monnet Saint-Etienne (France)


Published in SPIE Proceedings Vol. 5502:
Second European Workshop on Optical Fibre Sensors

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