# Simple mathematical approach to solar cell/panel behavior based on datasheet information

Pindado Carrion, Santiago and Cubas Cano, Javier (2017). Simple mathematical approach to solar cell/panel behavior based on datasheet information. "Renewable Energy" ; pp. 729-738. ISSN 0960-1481. https://doi.org/10.1016/j.renene.2016.11.007.

## Description

Title: Simple mathematical approach to solar cell/panel behavior based on datasheet information Pindado Carrion, Santiago Cubas Cano, Javier Article Renewable Energy April 2017 0960-1481 Solar cell; Photovoltaic array modeling; Circuit model; Parameter extraction Instituto de Microgravedad Ignacio Da Riva (UPM) Sistemas Aeroespaciales, Transporte Aéreo y Aeropuertos Desarrollo y Ensayos Aeroespaciales DEA Recognition - No derivative works - Non commercial

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## Abstract

new explicit mathematical expression is used to describe the behavior of a photovoltaic device (solar cell/panel), that is, its I-V curve, based on the characteristic points normally included in the manufacturers’ datasheets. This expression consists of two simple equations, one for voltage levels lower than the voltage at the maximum power point, V < Vmp, and the other one for voltage levels above this point, V > Vmp. The first equation is defined with two of the three characteristic points (short circuit and maximum power points), whereas the second one is defined with the current and voltage levels at maximum power point, the open circuit voltage, and a constant that can be adjusted based on: 1) the best fitting to the data within the bracket [Vmp, Voc], or 2) one point within this bracket, or 3) the slope of the I-V curve at the open circuit point, or 4) an estimation of that slope. Results of the solar cell/panel behavior analysis obtained with the proposed methodology, are similar to the ones obtained with the well-known 1-diode/2-resistor equivalent circuit model, in terms of accuracy.

Item ID: 43747 http://oa.upm.es/43747/ oai:oa.upm.es:43747 10.1016/j.renene.2016.11.007 http://www.sciencedirect.com/science/article/pii/S0960148116309697 Biblioteca ETSI Aeronauticos 28 Nov 2016 09:04 01 May 2017 22:30

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