Electrical machine failure detection using an in-line fiber etalon

Jesus M. Corres; Javier Bravo; Francisco J. Arregui; Ignacio R. Matias

doi:10.1117/12.623424

23 May 2005 Electrical machine failure detection using an in-line fiber etalon

Jesus M. Corres, Javier Bravo, Francisco J. Arregui, Ignacio R. Matias

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623424
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

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.

Citation Download Citation

Jesus M. Corres, Javier Bravo, Francisco J. Arregui, and Ignacio R. Matias "Electrical machine failure detection using an in-line fiber etalon", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623424

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