Two-tank molten salts thermal energy storage system for solar power plants at pilot plant scale: Lessons learnt and recommendations for its design, start-up and operation

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dc.contributor.authorPeiró Bell-lloch, Gerard
dc.contributor.authorPrieto, Cristina
dc.contributor.authorGasia, Jaume
dc.contributor.authorJové, Aleix
dc.contributor.authorMiró, Laia
dc.contributor.authorCabeza, Luisa F.
dc.date.accessioned2018-01-15T09:47:14Z
dc.date.available2020-12-31T23:15:29Z
dc.date.issued2018
dc.date.updated2018-01-15T09:47:14Z
dc.description.abstractRenewable energies are main players to ensure the long-term energy supply. Solar power plants with thermal energy storage (TES) are one of the available renewable technologies which have more potential. Nowadays, there are still several aspects in the design and operation of these power plants which need to be improved, such as the correct operation of some specific instrumentation, the compatibility between TES materials and storage tanks materials, and operational process strategies. This paper presents the acquired experience during the design, start-up, and operation of a kWh scale pilot experimental facility built at the University of Lleida (Spain) together with Abengoa Research (Spain) in 2008. The versatility of this facility has allowed simulating real working conditions and therefore testing different TES systems, TES materials, solar power plant components, and operational strategies focused on TES for temperatures up to 400 °C. In the present paper, the authors show the lessons learnt at pilot and present the main problems and limitations encountered, and give advices of this experimental set-up to extrapolate the data to real plant, to provide solutions to technical problems and reduce the cost of commercial plants.
dc.description.sponsorshipThe authors want to thank specially to Dr. Eduard Oró (today at Institut de Recerca d’Energies de Catalunya, Spain) and Dr. Antoni Gil (today at Massachusetts Institute of Technology, USA) for their help in the design, start-up and operation of the pilot plant facility. The research leading to these results has received funding from Spanish government through CDTI granted projects (Fondo tecnológico IDI-20090393, ConSOLida CENIT 2008-1005) and from Abengoa Solar NT. The work is partially funded by the Spanish government (ENE2008-06687-C02-01/CON, ENE2011-22722, ULLE10-4E-1305, and ENE2015-64117-C5-1-R (MINECO/FEDER)). The authors would like to thank the Catalan Government for the quality accreditation given to their research group GREA (2014 SGR 123). GREA is a certified agent TECNIO in the category of technology developers from the Government of Catalonia. This project has received funding from the European Commission Seventh Framework Programme (FP/2007-2013) under Grant agreement NºPIRSES-GA-2013-610692 (INNOSTORAGE) and from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 657466 (INPATH-TES). Laia Miró would like to thank the Spanish Government for her research fellowship (BES-2012-051861). Jaume Gasia would like to thank the Departament d'Universitats, Recerca i Societat de la Informació de la Generalitat de Catalunya for his research fellowship (2017FI_B1 00092).
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1016/j.renene.2018.01.026
dc.identifier.idgrec026578
dc.identifier.issn0960-1481
dc.identifier.urihttp://hdl.handle.net/10459.1/62358
dc.language.isoeng
dc.publisherElsevier
dc.relationinfo:eu-repo/grantAgreement/MICINN//ENE2008-06687-C02-01/ES/CONTRIBUCION DEL ALMACENAMIENTO DE ENERGIA TERMICA A LA EFICIENCIA ENERGETICA EN EDIFICIOS Y EN APLICACIONES INDUSTRIALES/
dc.relationinfo:eu-repo/grantAgreement/MICINN//ENE2011-22722/ES/EL ALMACENAMIENTO DE ENERGIA TERMICA COMO HERRAMIENTA DE MEJORA DE LA EFICIENCIA ENERGETICA EN LA INDUSTRIA/
dc.relationinfo:eu-repo/grantAgreement/MINECO//ENE2015-64117-C5-1-R/ES/IDENTIFICACION DE BARRERAS Y OPORTUNIDADES SOSTENIBLES EN LOS MATERIALES Y APLICACIONES DEL ALMACENAMIENTO DE ENERGIA TERMICA/
dc.relation.isformatofVersió postprint del document publicat a: https://doi.org/10.1016/j.renene.2018.01.026
dc.relation.ispartofRenewable Energy, 2018, vol. 121, p. 236-248
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/FP7/610692
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/H2020/657466/EU/INPATH-TES
dc.rightscc-by-nc-nd (c) Elsevier, 2018
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectMolten salts
dc.subjectTwo-tank
dc.subjectThermal energy storage (TES)
dc.subjectConcentrated solar power (CSP)
dc.subjectLessons learnt
dc.subjectPilot plant
dc.titleTwo-tank molten salts thermal energy storage system for solar power plants at pilot plant scale: Lessons learnt and recommendations for its design, start-up and operation
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
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