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An analytical-numerical approach for parameter determination of a five-parameter single-diode model of photovoltaic cells and modules
KTH, School of Electrical Engineering (EES), Electric power and energy systems.ORCID iD: 0000-0002-8189-2420
2016 (English)In: International Journal of Sustainable Energy, ISSN 1478-6451, E-ISSN 1478-646X, Vol. 35, no 4, 396-410 p.Article in journal (Refereed) PublishedText
Abstract [en]

Parameter extraction of the five-parameter single-diode model of solar cells and modules from experimental data is a challenging problem. These parameters are evaluated from a set of nonlinear equations that cannot be solved analytically. On the other hand, a numerical solution of such equations needs a suitable initial guess to converge to a solution. This paper presents a new set of approximate analytical solutions for the parameters of a five-parameter single-diode model of photovoltaic (PV) cells and modules. The proposed solutions provide a good initial point which guarantees numerical analysis convergence. The proposed technique needs only a few data from the PV current-voltage characteristics, i.e. open circuit voltage Voc, short circuit current Isc and maximum power point current and voltage Im; Vm making it a fast and low cost parameter determination technique. The accuracy of the presented theoretical I–V curves is verified by experimental data.

Place, publisher, year, edition, pages
2016. Vol. 35, no 4, 396-410 p.
Keyword [en]
analytical-numerical approach, initial point, parameter determination, photovoltaic, PV cells and modules, single-diode model
National Category
Control Engineering Computational Mathematics
URN: urn:nbn:se:kth:diva-180895DOI: 10.1080/14786451.2013.863886ScopusID: 2-s2.0-84951886999OAI: diva2:899324

QC 20160201

Available from: 2016-02-01 Created: 2016-01-25 Last updated: 2016-02-01Bibliographically approved

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Söder, Lennart
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Electric power and energy systems
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