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Heliostat Field Layout Using Non-Restricted Optimization

Buck, Reiner (2012) Heliostat Field Layout Using Non-Restricted Optimization. SolarPACES 2012, 11.-14. Sept. 2012, Marrakech, Marocco.

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A new heliostat field optimization method is presented. The method is intended for the further performance improvement after initial layout with a standard heliostat field layout tool. During the field optimization heliostats are repositioned without or with little restrictions. A non-simplifying ray-tracing tool is used for the performance evaluation. During the optimization detailed local weather and site characteristics (e. g. topography) can be considered. Two example cases are discussed. In the first case for a small solar tower system for a test facility, the annual intercepted energy was increased by more than 5%. This significant improvement indicates that the initial field layout was not suitable. The second example was based on the field layout of the PS10 solar tower plant. In this case an improvement of more than 0.7% was achieved. Application of the optimization method is recommended for any future solar tower plant. Basically, the optimization improves the revenues while capital and O&M cost remain unchanged. It is expected that any standard heliostat layout can be improved to a certain degree using this method. The method is very flexible and can be easily adapted to specific situations and optimization goals. Additional requirements can be easily implemented.

Item URL in elib:https://elib.dlr.de/78991/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Heliostat Field Layout Using Non-Restricted Optimization
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:solar tower, heliostat field, non-restricted optimization, ray-tracing
Event Title:SolarPACES 2012
Event Location:Marrakech, Marocco
Event Type:international Conference
Event Dates:11.-14. Sept. 2012
Organizer:IEA SolarPACES
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: Stuttgart
Institutes and Institutions:Institute of Solar Research > Punktfokussierende Systeme
Deposited By: Uhlig, Tamara
Deposited On:06 Dec 2012 16:47
Last Modified:06 Dec 2012 16:47

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