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Publikācija: Analysis of Using a Heliostat with Non-Rotating Solar Energy Receivers

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Nosaukums oriģinālvalodā Analysis of Using a Heliostat with Non-Rotating Solar Energy Receivers
Pētniecības nozare Enerģētika
Pētniecības apakšnozare  Alternatīvās enerģijas iekārtas
Autori Vitalijs Janpavlis
Aleksandrs Suzdaļenko
Andrejs Stepanovs
Laura Dzelzkalēja
Atslēgas vārdi Optimization, renewable energy sources, solar energy
Anotācija The use of solar energy in Northern countries is not as obviously reasonable as in the countries that are located closer to the Equator due to bigger differences of daytime during changes of seasons, as well as lower solar irradiance. This paper investigates the advantages of using a heliostat with non-rotating solar energy receivers (like water/air heating collectors, stationary PV panels or solar illumination collectors). The optimal orientation of the solar receiver and the heliostat is discussed in detail for two different optimization strategies – maximal energy and maximal operation period with irradiance higher than 400 W/m2. The results of the analysis demonstrate that the heliostat allows prolonging the operation of solar receivers for 20% of time during the year, or allows extracting 30% more energy per annum if proper orientation angles are selected.
DOI: 10.1109/RTUCON.2014.6998205
Hipersaite: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6998205 
Atsauce Janpavlis, V., Suzdaļenko, A., Stepanovs, A., Dzelzkalēja, L. Analysis of Using a Heliostat with Non-Rotating Solar Energy Receivers. No: 2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON): Proceedings, Latvija, Riga, 14.-14. oktobris, 2014. Riga: RTU Press, 2014, 247.-250.lpp. ISBN 978-1-4799-7460-3. e-ISBN 978-1-4799-7462-7. Pieejams: doi:10.1109/RTUCON.2014.6998205
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