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Proceedings Paper

Quasi-distributed fiber Bragg grating temperature sensors for stator bars monitoring of large electric generators
Author(s): Uilian José Dreyer; Erlon Vagner da Silva; André Biffe Di Renzo; Cicero Martelli; Jean Carlos Cardozo da Silva
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Paper Abstract

This work presents the application of a sensor based on quasi-distributed Fiber Bragg Gratings to monitor stator bars temperature of large electric generators. The applied FBG packaging method follows industrial standard procedures, and resulted in a robust and reliable sensing method, facilitating the future installation in the power plant. Experimental results are acquired in laboratory using the expected range of temperature values in the real machine. The measurement errors in the recorded results are within the calculated uncertainties and the time constant is shorter than what is obtained with conventional RTD for the same application.

Paper Details

Date Published: 30 May 2016
PDF: 4 pages
Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 991607 (30 May 2016); doi: 10.1117/12.2236504
Show Author Affiliations
Uilian José Dreyer, Univ. Tecnológica Federal do Paraná (Brazil)
Erlon Vagner da Silva, Tractebel Energia (Brazil)
André Biffe Di Renzo, Univ. Tecnológica Federal do Paraná (Brazil)
Cicero Martelli, Univ. Tecnológica Federal do Paraná (Brazil)
Jean Carlos Cardozo da Silva, Univ. Tecnológica Federal do Paraná (Brazil)

Published in SPIE Proceedings Vol. 9916:
Sixth European Workshop on Optical Fibre Sensors
Elfed Lewis, Editor(s)

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