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Proceedings Paper

Electrical machine failure detection using an in-line fiber etalon
Author(s): Jesus M. Corres; Javier Bravo; Francisco J. Arregui; Ignacio R. Matias
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Paper Abstract

In this work a new condition monitoring scheme using a fiber optic sensor is proposed. It has been specifically designed for the detection of damages in large electrical machines where the prevention of faults can be achieved through the vibration monitoring in the low frequency range. This sensor has been optimized to achieve a minimum detectable acceleration amplitude of 0.05g in the frequency range 2-500Hz. Also, high robustness and stability is achieved with the use of hollow core fiber to create the interferometric low-finesse cavity. The sensor has been tested in experimental induction machine test-rigs showing good performance both in the detection of magnetic and mechanical nature vibrations.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623424
Show Author Affiliations
Jesus M. Corres, Univ. Publica de Navarra (Spain)
Javier Bravo, Univ. Publica de Navarra (Spain)
Francisco J. Arregui, Univ. Publica de Navarra (Spain)
Ignacio R. Matias, Univ. Publica de Navarra (Spain)

Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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