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Advanced power cycles for concentrated solar power

Stein, W. H. and Buck, Reiner (2017) Advanced power cycles for concentrated solar power. Solar Energy, 152, pp. 91-105. Elsevier. DOI: 10.1016/j.solener.2017.04.054 ISSN 0038-092X

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Official URL: https://www.sciencedirect.com/science/article/pii/S0038092X1730347X?via%3Dihub

Abstract

This paper provides a review of advanced power cycles under consideration for CSP. As variable renewables make rapid commercial progress, CSP with thermal energy storage is in an excellent position to provide low cost stability and reliability to the grid, however higher efficiency and lower costs are critical. Steam turbines provide a robust commercial option for today but more advanced power cycles offering greater agility and flexibility are needed. Supercritical steam turbines are attractive at large scale but presently commercial products are too large for today’s solar towers, unless multiple towers with an aggregating heat transfer fluid is used. CSP/PV hybrids combine benefits of PV’s and low cost thermal storage. Supercritical CO2 closed loop Brayton cycles are early in their development but promise high efficiency at reasonable temperatures across a range of capacities, with the prospect of significantly lowering costs. The next few years building knowledge on materials and components cost and performance along with demonstration is crucial. Gas turbine combined cycles driven by CSP are one of the highest Efficiency options available, though other bottoming and topping cycle configurations should be progressed also. Again, component demonstration at the required high temperatures is critical.

Item URL in elib:https://elib.dlr.de/113674/
Document Type:Article
Title:Advanced power cycles for concentrated solar power
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Stein, W. H.CSIRO, PO Box 330, Newcastle, NSW 2300, AustraliaUNSPECIFIED
Buck, ReinerReiner.Buck (at) dlr.deUNSPECIFIED
Date:2017
Journal or Publication Title:Solar Energy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:152
DOI :10.1016/j.solener.2017.04.054
Page Range:pp. 91-105
Publisher:Elsevier
Series Name:Elsevier Ltd.
ISSN:0038-092X
Status:Published
Keywords:Concentrated solar power; Steam Rankine cycle; Brayton cycle; Supercritical steam; Supercritical carbon dioxide; Combined cycle
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Thermal Technology
DLR - Research area:Energy
DLR - Program:E SW - Solar and Wind Energy
DLR - Research theme (Project):E - Advanced Heat Transfer Media
Location: Stuttgart
Institutes and Institutions:Institute of Solar Research > Punktfokussierende Systeme
Deposited By: Uhlig, Tamara
Deposited On:19 Sep 2017 14:51
Last Modified:06 Mar 2019 10:50

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