Asynchronous FBG interrogation system for temperature and strain monitoring on hydrogenerator rotors

C. Floridia; J. B. Rosolem; F. Borin; E. W. Bezerra; J. C. Said

doi:10.1117/12.832299

5 October 2009 Asynchronous FBG interrogation system for temperature and strain monitoring on hydrogenerator rotors

C. Floridia, J. B. Rosolem, F. Borin, E. W. Bezerra, J. C. Said

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75033I (2009) https://doi.org/10.1117/12.832299
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

In this work we propose an asynchronous FBG interrogation system for rotating machines. The method was developed to monitor temperature and deformation on hydrogenerator rotors, but can be easily used to monitor any other rotating machine. The proposed scheme relays in a simplified interrogator, which need not be synchronized with the optical collimation system. The system was tested successfully for various rotating velocities from 0 to 800 RPM.

Citation Download Citation

C. Floridia, J. B. Rosolem, F. Borin, E. W. Bezerra, and J. C. Said "Asynchronous FBG interrogation system for temperature and strain monitoring on hydrogenerator rotors", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75033I (5 October 2009); https://doi.org/10.1117/12.832299

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