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Improving long-term operation of power sources in off-grid hybrid systems based on renewable energy, hydrogen and battery

dc.contributor.authorGarcía P.
dc.contributor.authorTorreglosa J.P.
dc.contributor.authorFernández L.M.
dc.contributor.authorJurado F.
dc.date.accessioned2020-09-02T22:18:46Z
dc.date.available2020-09-02T22:18:46Z
dc.date.issued2014
dc.identifier10.1016/j.jpowsour.2014.04.118
dc.identifier.citation265, , 149-159
dc.identifier.issn03787753
dc.identifier.urihttps://hdl.handle.net/20.500.12728/4612
dc.descriptionThis paper presents two novel hourly energy supervisory controls (ESC) for improving long-term operation of off-grid hybrid systems (HS) integrating renewable energy sources (wind turbine and photovoltaic solar panels), hydrogen system (fuel cell, hydrogen tank and electrolyzer) and battery. The first ESC tries to improve the power supplied by the HS and the power stored in the battery and/or in the hydrogen tank, whereas the second one tries to minimize the number of needed elements (batteries, fuel cells and electrolyzers) throughout the expected life of the HS (25 years). Moreover, in both ESC, the battery state-of-charge (SOC) and the hydrogen tank level are controlled and maintained between optimum operating margins. Finally, a comparative study between the controls is carried out by models of the commercially available components used in the HS under study in this work. These ESC are also compared with a third ESC, already published by the authors, and based on reducing the utilization costs of the energy storage devices. The comparative study proves the right performance of the ESC and their differences. © 2014 Elsevier B.V. All rights reserved.
dc.language.isoen
dc.publisherElsevier
dc.subjectHybrid system
dc.subjectHydrogen
dc.subjectRenewable energy
dc.subjectSupervisory control
dc.subjectElectric power transmission networks
dc.subjectElectrolytic cells
dc.subjectFuel cells
dc.subjectHybrid systems
dc.subjectRenewable energy resources
dc.subjectTanks (containers)
dc.subjectComparative studies
dc.subjectExpected life
dc.subjectHydrogen system
dc.subjectOperating margins
dc.subjectRenewable energies
dc.subjectRenewable energy source
dc.subjectState-of-charge
dc.subjectSupervisory control
dc.subjectHydrogen
dc.titleImproving long-term operation of power sources in off-grid hybrid systems based on renewable energy, hydrogen and battery
dc.typeArticle


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