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Considerations about the potential use of pump-turbines for compressed air energy storage

type de publication      communication internationale avec actes publiés
date de publication 2010
auteur(s) Caignaert Guy; Dazin Antoine; Coutier Delgosha Olivier
conférence 16th international seminar on Hydropower Plants
     dates de 24-11-2010 à 26-11-2010
     lieu Vienne (Autriche)
     nom des actes 16th international seminar on Hydropower Plants
résumé The present paper intends to examine what could be the interest to use water and rotodynamic pump-turbines as an interesting alternative to existing solutions for compressed air energy storage. The paper presents some thermodynamics considerations as well as some first perspectives about the optimal command of such pump-turbines that will have to work in transient conditions during the storage cycle (pump) as well as during the production cycle (turbine). Associated problems that can be encountered during these operating conditions are also described.
mots clés hydropneumatic storage, rotodynamic pump-turbine
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