Temperature sensing in a 175MW power generator

Cicero Martelli; Erlon Vagner da Silva; Kleiton de Morais Souza; Felipe Mezzadri; Jonas Somenzi; Marcos Crespin; Hypolito José Kalinowski; Jean Carlos Cordoza da Silva

doi:10.1117/12.975308

17 October 2012 Temperature sensing in a 175MW power generator

Cicero Martelli, Erlon Vagner da Silva, Kleiton de Morais Souza, Felipe Mezzadri, Jonas Somenzi, Marcos Crespin, Hypolito José Kalinowski, Jean Carlos Cordoza da Silva

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84212F (2012) https://doi.org/10.1117/12.975308
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

The surface temperature of a high power generator stator in operation at a hydroelectric power plant is measured using fiber Bragg grating sensors. Insulation breakdown due to high voltage is a major problem in large electric generators and very hard to detect at early stages. Giving the high temperatures that raise from this process the insulation degradation can be detected as function of temperature. Fiber Bragg grating temperature sensors appear is a promising technology since they can easily be embedded into the insulation with no harm for the generator.

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Cicero Martelli, Erlon Vagner da Silva, Kleiton de Morais Souza, Felipe Mezzadri, Jonas Somenzi, Marcos Crespin, Hypolito José Kalinowski, and Jean Carlos Cordoza da Silva "Temperature sensing in a 175MW power generator", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84212F (17 October 2012); https://doi.org/10.1117/12.975308

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