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28 September 2015 Thermal and vibration dynamic analysis of an induction motor using optical fiber Bragg gratings
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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963443 (2015) https://doi.org/10.1117/12.2195034
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil
Abstract
In this paper it is presented the results of temperature and vibration measurements in a Three-phase Induction Motor (TIM) running at no-load condition. Vibration and temperature analysis are the most successful techniques used for condition monitoring of induction motors. The vibration is measured using two FBGs installed inside of the motor between two subsequent stator teeth. The motor spectrum of vibration when power is at 60 Hz presents the frequencies 60 Hz, 120 Hz, 180 Hz, and 240 Hz as theoretically expected. For the temperature measurement two FBGs are encapsulated in an alumina tube fixed along the stator. The results show 0.9°C difference between the two FBG caused by the motor ventilation nearer of one FBG. These measurements can be used to determine TIM parameters and still be predictive maintenance tool.
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Kleiton de Morais Sousa, Uilian José Dreyer, Cicero Martelli, and Jean Carlos Cardozo da Silva "Thermal and vibration dynamic analysis of an induction motor using optical fiber Bragg gratings", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963443 (28 September 2015); https://doi.org/10.1117/12.2195034
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