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Pointing sensors and sun tracking techniques

  Articoli su Riviste JCR/ISI  (anno 2011)

Autori:  Fontani D., Sansoni P., Francini F., Jafrancesco D., Mercatelli L., Sani E

Affiliazione Autori:  CNR - Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Riassunto:  Every optical system for sunlight concentration requires following the sun in its movement. The sun tracking method is essentially chosen on the base of collection geometry and optical system configuration. A simple, useful and original technique to realise sun tracking is proposed. It is based on a double guiding system using two complementary procedures. A passive tracking device performs a preliminary collector orientation. Then an active tracking system realises its fine positioning and adjustments exploiting an optical pointing sensor. The core of this active tracking device is the sun finder. Pointing sensors for fibre-coupled, CPV (Concentrating PhotoVoltaic) and linear collectors are presented, illustrating in detail working principle and practical use. All sensors were optically characterised in laboratory, under controlled and reproducible conditions. Some field tests completed the experimentation evaluating the sensors performance in outdoor working conditions.

Rivista/Giornale:  INTERNATIONAL JOURNAL OF PHOTOENERGY
Volume n.:  2011      Pagine da: 806518-1  a: 806518-9
Note:  ID 806518
DOI: 10.1155/2011/806518

*Impact Factor della Rivista: (2011) 1.769   *Citazioni: 12
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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