numerical validation of a new approach to model single junction low concentration pv cells under non-uniform illumination

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ID: 146571
2015
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Abstract
This study presents a numerical validation of a new approach to model single junction PV cell under non-uniform illumination for low-concentration solar collectors such as compound parabolic concentrators (CPC). The simulation is achieved by finite element modelling (FEM). To characterize the results, the model is simulated with five different non-uniform illumination profiles. The results indicate that increasing the non-uniformity of concentrated light will introduce more resistive losses and lead to a significant attenuation in the PV cell short-circuit current. The FEM modelling results are then used to validate the array modelling approach, in which a single junction PV cell is considered equivalent to a parallel-connected array of several cell splits. A comparison between the FEM and array modelling approaches shows good agreement. Therefore, the array modelling approach is a fast way to investigate the PV cell performance under non-uniform illumination, while the FEM approach is useful in optimizing design of fingers and bus-bars on a PV.
Reference Key
zhou2015energiesnumerical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Hang Zhou;Yuehong Su;Michele Bottarelli;Marco Bortoloni;Shenyi Wu
Journal acs combinatorial science
Year 2015
DOI
10.3390/en8054529
URL
http://www.mdpi.com/1996-1073/8/5/4529
Keywords Keywords not found

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