Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A New Thermal Energy Storage Technology for Power System Services

Version 1 : Received: 29 January 2021 / Approved: 1 February 2021 / Online: 1 February 2021 (12:19:03 CET)

How to cite: Acri, R.; Bassetti, F.; Falvo, M.C.; Magaldi, L.; Manganelli, M.; Romagnoli, L.; Santi, F. A New Thermal Energy Storage Technology for Power System Services. Preprints 2021, 2021020020 (doi: 10.20944/preprints202102.0020.v1). Acri, R.; Bassetti, F.; Falvo, M.C.; Magaldi, L.; Manganelli, M.; Romagnoli, L.; Santi, F. A New Thermal Energy Storage Technology for Power System Services. Preprints 2021, 2021020020 (doi: 10.20944/preprints202102.0020.v1).

Abstract

The decarbonization of the electrical energy sector is in progress for contrasting the climate changes, with a relevant increase of the Renewable Energy Sources (RES) power plants, mostly in Dispersed Generation (DG). The adequacy and the security of power systems, with a huge penetration of RES in DG is possible with a suitable integration of energy storage. In fact, energy storages are able to provide many different services for long-term adequacy and real time security. In this framework the present paper deals with a Thermal Energy Storage (TES) proposed for power system services. The technology presented is made up of modules containing a bed of fluidizable solid particles, which can store thermal energy from waste heat, process heat and/or from electricity. Stored thermal energy can be released, e.g. as superheated steam, for thermal uses or converted into electricity, by means of steam turbines. Some possible applications are then reported explaining advantages and limits.

Subject Areas

power systems; energy storage; electricity.

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