Six-parameter electrical model for photovoltaic cell/module with compound parabolic concentrator solar energy

Li, W., Paul, M.C. , Sellami, N., Sweet, T., Montecuccoa, A., Siviter, J., Baig, H., Gao, M., Mallick, T. and Knox, A. (2016) Six-parameter electrical model for photovoltaic cell/module with compound parabolic concentrator solar energy. Solar Energy, 137, pp. 551-563. (doi:10.1016/j.solener.2016.08.050)

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Abstract

It is known that compound parabolic concentrators (CPCs) can improve electrical performance of a photovoltaic (PV) flat-plate system. However, a lumped electrical model of a PV cell/module with CPC for assessing performance under different operating conditions is unavailable. In this paper, a six-parameter based model is developed and applied to a PV cell, two PV models with CPC, and a PV module with 2D asymmetric CPC (trough). For validation, CPC with a single PV cell and two CPC modules with 2 × 2 and 9 × 9 PV cells are fabricated and measured in an indoor laboratory under standard test conditions. Results show that the optimised algorithm precisely predicts the six model parameters. A sensitivity analysis is performed to identify the importance of each parameter in the model. Ideality factor, circuit current and reverse saturation current are found to be the most dominant factor, while shunt resistance is the least important with CPC gain coefficient and series resistance are in between. Transient performance of a PV cell with CPC under variable outdoor climate conditions is also examined by coupling optical, thermal and electrical effects.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Paul, Dr Manosh and Knox, Professor Andrew and Siviter, Dr Jonathan and Li, Dr Wenguang
Authors: Li, W., Paul, M.C., Sellami, N., Sweet, T., Montecuccoa, A., Siviter, J., Baig, H., Gao, M., Mallick, T., and Knox, A.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Solar Energy
Publisher:Elsevier
ISSN:0038-092X
ISSN (Online):0038-092X
Published Online:08 September 2016
Copyright Holders:Copyright © 2016 The Authors
First Published:First published in Solar Energy 137:551-563
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
614241Scalable Solar Thermoelectrics and Photovaltaics (SUNTRAP)Andrew KnoxEngineering & Physical Sciences Research Council (EPSRC)EP/K022156/1ENG - ENGINEERING ELECTRONICS & NANO ENG