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Detection of hydraulic phenomena in francis turbines with different sensors

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10.3390/s19184053
 
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hdl:2117/175605

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Valentín Ruiz, DavidMés informacióMés informacióMés informació
Presas Batlló, AlexandreMés informacióMés informacióMés informació
Valero Ferrando, Ma. del CarmenMés informacióMés informació
Egusquiza Montagut, MònicaMés informacióMés informacióMés informació
Egusquiza Estévez, EduardMés informacióMés informacióMés informació
Document typeArticle
Defense date2019-09-19
PublisherMultidisciplinary Digital Publishing Institute (MDPI)
Rights accessOpen Access
Attribution 4.0 International
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution 4.0 International
Abstract
Nowadays, hydropower is demanded to provide flexibility and fast response into the electrical grid in order to compensate the non-constant electricity generation of other renewable sources. Hydraulic turbines are therefore demanded to work under o -design conditions more frequently, where di erent complex hydraulic phenomena appear, a ecting the machine stability as well as reducing the useful life of its components. Hence, it is desirable to detect in real-time these hydraulic phenomena to assess the operation of the machine. In this paper, a large medium-head Francis turbine was selected for this purpose. This prototype is instrumented with several sensors such as accelerometers, proximity probes, strain gauges, pressure sensors and a microphone. Results presented in this paper permit knowing which hydraulic phenomenon is detected with every sensor and which signal analysis technique is necessary to use. With this information, monitoring systems can be optimized with the most convenient sensors, locations and signal analysis techniques
CitationValentin, D. [et al.]. Detection of hydraulic phenomena in francis turbines with different sensors. "Sensors", 19 Setembre 2019, vol. 19, núm. 18, p. 4053:1-4053:25. 
URIhttp://hdl.handle.net/2117/175605
DOI10.3390/s19184053
ISSN1424-8220
Publisher versionhttps://www.mdpi.com/1424-8220/19/18/4053
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  • Doctorat en Enginyeria Mecànica, Fluids i Aeronàutica - Articles de revista [190]
  • Departament de Mecànica de Fluids - Articles de revista [512]
  • FLUIDS - Enginyeria de Fluids - Articles de revista [78]
  • CDIF - Centre de Diagnòstic Industrial i Fluidodinàmica - Articles de revista [89]
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