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Power swing generated in Francis turbines by part load and overload instabilities

Autor
Valentin, D.; Presas, A.; Egusquiza, E.; Valero, M.; Egusquiza, M.; Bossio, M.
Tipus d'activitat
Article en revista
Revista
Energies
Data de publicació
2017-12-13
Volum
10
Número
12
Pàgina inicial
2124
DOI
https://doi.org/10.3390/en10122124 Obrir en finestra nova
Projecte finançador
FP7-608532-HYPERBOLE - HYDROPOWER PLANTS PERFORMANCE AND FLEXIBLE OPERATION TOWARDS LEAN INTEGRATION OF NEW RENEWABLE ENERGIES
Repositori
http://hdl.handle.net/2117/114103 Obrir en finestra nova
https://www.researchgate.net/publication/321801146_Power_Swing_Generated_in_Francis_Turbines_by_Part_Load_and_Overload_Instabilities Obrir en finestra nova
URL
http://www.mdpi.com/1996-1073/10/12/2124 Obrir en finestra nova
Resum
Hydropower plays a key role in the actual energy market due to its fast response and regulation capacity. In that way, hydraulic turbines are increasingly demanded to work at off-design conditions, where complex flow patterns and cavitation appear, especially in Francis turbines. The draft tube cavitation surge is a hydraulic phenomenon that appears in Francis turbines below and above its Best Efficiency Point (BEP). It is a low frequency phenomenon consisting of a vortex rope in the runner outl...
Citació
Valentin, D., Presas, A., Egusquiza, E., Valero, M., Egusquiza, M., Bossio, M. Power swing generated in Francis turbines by part load and overload instabilities. "Energies", 13 Desembre 2017, vol. 10, núm. 12.
Paraules clau
Draft tube, Francis turbine, Overload, Part load, Power swing, Vortex rope
Grup de recerca
CDIF - Centre de Diagnòstic Industrial i Fluidodinàmica
FLUIDS - Enginyeria de Fluids

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