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Modeling of Hydro-Pneumatic Energy Storage Using Pump Turbines

Communication avec acte
Author
ORTEGO, Egoï
DAZIN, Antoine
1252 Laboratoire de Mécanique de Lille - FRE 3723 [LML]
CAIGNAERT, Guy
1252 Laboratoire de Mécanique de Lille - FRE 3723 [LML]
COLAS, Frédéric
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]
COUTIER-DELGOSHA, Olivier
1252 Laboratoire de Mécanique de Lille - FRE 3723 [LML]

URI
http://hdl.handle.net/10985/6874
Date
2012

Abstract

Modelling of a hydro-pneumatic energy storage system is the main aim of this paper. The project aims to model a prototype that uses a rotodynamic multi-stage pump-turbine to displace a virtual liquid piston for air compression. A dynamic model of the storage system is developed using the block diagram methodology. Two driving strategies are also developed in order to manage the constant variation of operating point due to pressure variation: maximum efficiency strategy and power demand response strategy.

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