This paper summarizes the collaborative work done by CENER, Fraunhofer ISE and CRS4 within the scope of the STAGE-STE project related to heliostat field generation algorithms and their application to small heliostats (<10 m2). Radially staggered heliostat field layouts have been commonly applied to real solar fields with known results. However, their use in conjunction with small heliostats or the use of brand new ways for heliostat allocation, such natural pattern based algorithms, is still unknown. Herein, the most promising heliostat field generation algorithms are studied and compared, in annual optical efficiency terms, for different scenarios. These efficiencies correspond to the best heliostat layouts found by the optimization process that each generation algorithm can create, for three scenarios. Results show that the fields from the selected algorithms lead to similar optical efficiencies. The slight differences are not enough evidence to nominate one of the algorithms as the best choice, taking into account the inherent error of the simulation tools, the optimization process and further requirements needed in commercial applications (e.g. access paths) not coped in this study.
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8 November 2018
SolarPACES 2017: International Conference on Concentrating Solar Power and Chemical Energy Systems
26–29 September 2017
Santiago, Chile
Research Article|
November 08 2018
Optical performance comparison between heliostat field generation algorithms
Iñigo Les;
Iñigo Les
a)
1
National Renewable Energy Center of Spain (CENER), Solar Thermal Energy Department
, c/Ciudad de la Innovación 7, Sarriguren (Navarra), Spain
a)Corresponding author: [email protected]
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Amaia Mutuberria;
Amaia Mutuberria
1
National Renewable Energy Center of Spain (CENER), Solar Thermal Energy Department
, c/Ciudad de la Innovación 7, Sarriguren (Navarra), Spain
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Peter Schöttl;
Peter Schöttl
2
Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE)
, Heidenhofstrasse 2, D-79110 Freiburg, Germany
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Peter Nitz;
Peter Nitz
2
Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE)
, Heidenhofstrasse 2, D-79110 Freiburg, Germany
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Erminia Leonardi;
Erminia Leonardi
3
Center for Advanced Studies, Research and Development in Sardinia, Parco Scientifico e Tecnologico
, POLARIS, Edificio 1, 09010 Pula, CA, Italy
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Lorenzo Pisani
Lorenzo Pisani
3
Center for Advanced Studies, Research and Development in Sardinia, Parco Scientifico e Tecnologico
, POLARIS, Edificio 1, 09010 Pula, CA, Italy
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a)Corresponding author: [email protected]
AIP Conf. Proc. 2033, 040020 (2018)
Citation
Iñigo Les, Amaia Mutuberria, Peter Schöttl, Peter Nitz, Erminia Leonardi, Lorenzo Pisani; Optical performance comparison between heliostat field generation algorithms. AIP Conf. Proc. 8 November 2018; 2033 (1): 040020. https://doi.org/10.1063/1.5067056
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