The effect of sky view factors on optimized photovoltaic fields

J. Appelbaum, A. Aronescu

Research output: Contribution to journalArticlepeer-review

Abstract

Photovoltaic (PV) fields deployed in multiple collector rows, with two modules one on the top of the other, experience uneven incident diffuse radiation due to the difference in the modules' sky view factor. It is plausible that the two modules may be installed with different inclination angles to obtain an improved field design compared to a common inclination angle for both modules. The examination of these two types of field installations was based on the maximum annual incident energy on the PV fields. The comparison for obtaining maximum incident energy was investigated at two monitoring stations (Tel Aviv and Lindenberg-Germany) having different percentages of diffuse radiation. The study shows that top and bottom modules collect different amounts of annual energies. Designing optimal PV fields mounted with two inclination angles for the top and bottom modules may result in an annual energy gain of about 2÷3%.

Original languageEnglish
Article number013501
JournalJournal of Renewable and Sustainable Energy
Volume10
Issue number1
DOIs
StatePublished - 1 Jan 2018

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