19 April 2011 Monitoring applications of power generators for the increase of energy efficiency using novel fiber optical sensors
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Abstract
To verify optimization measures of power generators to improve the energy efficiency and to monitor critical parameters, fiber optical sensors have been developed and investigated. A fiber optical hot wire anemometer based on the thermooptic effect of Fiber Bragg Gratings was investigated to measure the flow distribution along the stator core. Fiber optical magnetic field sensors, based on the strain-optic effect of FBGs, were used to measure the magnetic field distribution on the end windings of a power generator. A novel fiber-optical accelerometer was used to measure the end winding vibrations. In this paper the functionality of each sensor is described and results of field test under real conditions are shown and discussed.
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Michael Villnow, Michael Willsch, Thomas Bosselmann, Bernhard Schmauss, "Monitoring applications of power generators for the increase of energy efficiency using novel fiber optical sensors", Proc. SPIE 8065, SPIE Eco-Photonics 2011: Sustainable Design, Manufacturing, and Engineering Workforce Education for a Green Future, 806506 (19 April 2011); doi: 10.1117/12.882864; https://doi.org/10.1117/12.882864
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