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Biomass and central receiver system (CRS) hybridization: Volumetric air CRS and integration of a biomass waste direct burning boiler on steam cycle

Coelho, Bruno and Schwarzbözl, Peter and Oliveira, Armando and Mendes, A. (2012) Biomass and central receiver system (CRS) hybridization: Volumetric air CRS and integration of a biomass waste direct burning boiler on steam cycle. Solar Energy, 86. Elsevier. ISSN 0038-092X

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Abstract

Concentrated solar power (CSP) plants generate an almost continuous flow of fully dispatchable “renewable” electricity and can replace the present fossil fuel power plants for base load electricity generation. Nevertheless, actual CSP plants have moderate electricity costs, in most cases quite low capacity factors and transient problems due to high inertia. Hybridization can help solve these problems and, if done with the integration of forest waste biomass, the “renewable” goal can be maintained, with positive impact on forest fire reduction. Local conditions, resources and feed in tariffs have great impact on the economical and technical evaluation of hybrid solutions; one of the premium European locations for this type of power plants is the Portuguese Algarve region. Due to the concept innovation level, conservative approaches were considered to be the best solutions. In this perspective, for a lower capital investment 4 MWe power plant scale, the best technical/economical solution is the hybrid CRS/biomass power plant HVIB3S4s with CS3 control strategy. It results in a levelized electricity cost (LEC) of 0.146 €/kWh, with higher efficiency and capacity factor than a conventional 4 MWe CRS. A larger 10 MWe hybrid power plant HVIB3S10s could generate electricity with positive economical indicators (LEC of 0.108 €/kWh and IRR of 11.0%), with twice the annual efficiency (feedstock to electricity) and lower costs than a conventional 4 MWe CRS. It would also lead to a 17% reduction in biomass consumption (approximately 12,000 tons less per year) when compared with a typical 10 MWe biomass power plant – FRB10; this would be significant in the case of continuous biomass price increase.

Item URL in elib:https://elib.dlr.de/88547/
Document Type:Article
Title:Biomass and central receiver system (CRS) hybridization: Volumetric air CRS and integration of a biomass waste direct burning boiler on steam cycle
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Coelho, BrunoUniv. of PortoUNSPECIFIED
Schwarzbözl, Peterpeter.schwarzboezl (at) dlr.deUNSPECIFIED
Oliveira, ArmandoUniv. of PortoUNSPECIFIED
Mendes, A.Univ. of PortoUNSPECIFIED
Date:2012
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:86
Publisher:Elsevier
ISSN:0038-092X
Status:Published
Keywords:CSP; Central receiver system; Biomass direct burning; Steam cycle integration; Hybridization
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Punktfokussierende Systeme (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Punktfokussierende Systeme
Deposited By: Hennecke, Klaus
Deposited On:18 Mar 2014 11:30
Last Modified:10 Jan 2019 15:50

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