Distributed Generation Integration in the Electric Grid: Energy Storage System for Frequency Control

During the last few years generation from renewable energy sources (RESs) has grown considerably in European electrical networks. Transmission system operators are greatly concerned about the impact of RESs on the operational security and efficiency of their networks and more in general of the ENTSO...

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Main Authors: Maurizio Delfanti, Davide Falabretti, Marco Merlo, Gabriele Monfredini
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Journal of Applied Mathematics
Online Access:http://dx.doi.org/10.1155/2014/198427
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author Maurizio Delfanti
Davide Falabretti
Marco Merlo
Gabriele Monfredini
author_facet Maurizio Delfanti
Davide Falabretti
Marco Merlo
Gabriele Monfredini
author_sort Maurizio Delfanti
collection DOAJ
description During the last few years generation from renewable energy sources (RESs) has grown considerably in European electrical networks. Transmission system operators are greatly concerned about the impact of RESs on the operational security and efficiency of their networks and more in general of the ENTSO-E interconnected system. Grid codes are to be revised in order to harmonise the rules regarding the connection of RES power plants. A main issue concerns frequency control: frequency is greatly affected by RESs intermittency and its deviations must be limited as much as possible in order to guarantee a suitable level of power quality. To improve frequency stability, in the future, Grid codes could extend frequency control requirements also to RES units, whereas today they are applied only to conventional power plants. Energy storage systems can be a possible solution to increase the flexibility and performance of RES power plants: they allow generators to modulate their power injections without wasting renewable energy. In this paper, the authors studied the suitability of extending frequency control to RES units integrating them with energy storage systems. In particular, the paper focuses on the impact of frequency control on the storage lifetime by analysing the power charge/discharge in response to real frequency oscillations.
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spelling doaj-art-1852e42498404f1fb12ebe56f77acae72025-02-03T01:22:35ZengWileyJournal of Applied Mathematics1110-757X1687-00422014-01-01201410.1155/2014/198427198427Distributed Generation Integration in the Electric Grid: Energy Storage System for Frequency ControlMaurizio Delfanti0Davide Falabretti1Marco Merlo2Gabriele Monfredini3Department of Energy, Politecnico di Milano, 20156 Milan, ItalyDepartment of Energy, Politecnico di Milano, 20156 Milan, ItalyDepartment of Energy, Politecnico di Milano, 20156 Milan, ItalyDepartment of Energy, Politecnico di Milano, 20156 Milan, ItalyDuring the last few years generation from renewable energy sources (RESs) has grown considerably in European electrical networks. Transmission system operators are greatly concerned about the impact of RESs on the operational security and efficiency of their networks and more in general of the ENTSO-E interconnected system. Grid codes are to be revised in order to harmonise the rules regarding the connection of RES power plants. A main issue concerns frequency control: frequency is greatly affected by RESs intermittency and its deviations must be limited as much as possible in order to guarantee a suitable level of power quality. To improve frequency stability, in the future, Grid codes could extend frequency control requirements also to RES units, whereas today they are applied only to conventional power plants. Energy storage systems can be a possible solution to increase the flexibility and performance of RES power plants: they allow generators to modulate their power injections without wasting renewable energy. In this paper, the authors studied the suitability of extending frequency control to RES units integrating them with energy storage systems. In particular, the paper focuses on the impact of frequency control on the storage lifetime by analysing the power charge/discharge in response to real frequency oscillations.http://dx.doi.org/10.1155/2014/198427
spellingShingle Maurizio Delfanti
Davide Falabretti
Marco Merlo
Gabriele Monfredini
Distributed Generation Integration in the Electric Grid: Energy Storage System for Frequency Control
Journal of Applied Mathematics
title Distributed Generation Integration in the Electric Grid: Energy Storage System for Frequency Control
title_full Distributed Generation Integration in the Electric Grid: Energy Storage System for Frequency Control
title_fullStr Distributed Generation Integration in the Electric Grid: Energy Storage System for Frequency Control
title_full_unstemmed Distributed Generation Integration in the Electric Grid: Energy Storage System for Frequency Control
title_short Distributed Generation Integration in the Electric Grid: Energy Storage System for Frequency Control
title_sort distributed generation integration in the electric grid energy storage system for frequency control
url http://dx.doi.org/10.1155/2014/198427
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AT gabrielemonfredini distributedgenerationintegrationintheelectricgridenergystoragesystemforfrequencycontrol