Off-design thermodynamic performances of a solar tower aided coal-fired power plant for different solar multiples with thermal energy storage

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dc.contributor.authorLi, Chao
dc.contributor.authorYang, Zhiping
dc.contributor.authorZhai, Rongrong
dc.contributor.authorYang, Yongping
dc.contributor.authorPatchigolla, Kumar
dc.contributor.authorOakey, John E.
dc.date.accessioned2018-09-04T14:13:46Z
dc.date.available2018-09-04T14:13:46Z
dc.date.issued2018-08-25
dc.description.abstractSolar aided coal-fired power system has been proven to be a promising way to utilise solar energy in large scale. In this paper, the performances of the solar tower aided coal-fired power (STACP) system at 100% load, 75% load, and 50% load for different days are investigated and the maximum solar power that the boiler can absorb under different plant loads are explored. Then, the effects of solar multiple (SM) and the thermal energy storage (TES) hour on the daily performance of STACP system are investigated. Results show that the maximum solar power that a 600 MWe boiler can absorb at 100% load, 75% load and 50% load are 76.4 MWth, 54.2 MWth and 23.0 MWth, respectively. Due to the augmented energy from the solar field, the maximum standard coal consumption rate is reduced by 13.53 g/kWh, 12.81 g/kWh and 8.22 g/kWh at 100% load, 75% load and 50% load, respectively. With an increase of solar power input, the boiler efficiency, overall system efficiency and solar thermal-to-electricity efficiency show a downward trend. In addition, the daily coal consumption of summer solstice is the lowest while the winter solstice is the highest for a particular SM and TES hour.en_UK
dc.identifier.citationChao Li, Zhiping Yang, Rongrong Zhai, et al., Off-design thermodynamic performances of a solar tower aided coal-fired power plant for different solar multiples with thermal energy storage. Energy, Volume 163, Issue November, 2018, pp. 956-968en_UK
dc.identifier.cris21401599
dc.identifier.issn0360-5442
dc.identifier.urihttps://doi.org/10.1016/j.energy.2018.08.186
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13457
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectSolar energyen_UK
dc.subjectCoal-fired power planten_UK
dc.subjectSolar multipleen_UK
dc.subjectThermal energy storage houren_UK
dc.subjectRenewable energyen_UK
dc.titleOff-design thermodynamic performances of a solar tower aided coal-fired power plant for different solar multiples with thermal energy storageen_UK
dc.typeArticleen_UK

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