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Photovoltaic system performance enhancement with non-tracking planar concentrators: Experimental results and BDRF based modelling

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3 Author(s)
Andrews, R.W. ; Dept. of Mech. & Mater. Eng., Queen's Univ., Kingston, ON, Canada ; Pollard, A. ; Pearce, J.M.

Non-tracking planar concentrators are a low-cost method of increasing the performance of traditional solar photovoltaic (PV) systems. In this study such an outdoor system has been shown to improve energy yield by 45% for a traditional flat glass module and by 35% for a prismatic glass crystalline silicon module. In addition, this paper presents new methodologies for properly modelling this type of system design and experimental results using a bi-directional reflectance function (BDRF) of non-ideal surfaces rather than traditional geometric optics. This methodology allows for the evaluation and eventual optimization of specular and non-specular reflectors in planar concentration systems.

Published in:

Photovoltaic Specialists Conference (PVSC), 2013 IEEE 39th

Date of Conference:

16-21 June 2013