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Contribution of energy storage systems for power generation and demand balancing with increasing integration of renewable sources: application to the Portuguese power system

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3 Author(s)
Sergio Faias ; Instituto Superior de Engenharia de Lisboa, DEEA/ISEL, Rua Conselheiro Emídio Navarro, 1 1950-062, Portugal ; Jorge Sousa ; Rui Castro

Increasing integration of renewable sources introduce some new issues on the operation of the power system, such as potential unbalancing between generation and demand, especially in off-peak periods with high levels of hydro generation. This scenario can get worse when associated with the installation of a nuclear powerplant, which operates on a must run basis. This paper analyses the contribution of energy storage systems use to avoid future power generation and demand unbalance in the Portuguese power system. Moreover it is also presented an overview of the available energy storage technologies and the role of power electronics on its appropriate operation.

Published in:

Power Electronics and Applications, 2007 European Conference on

Date of Conference:

2-5 Sept. 2007