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A novel temperature estimation method for solar cells

Published on Feb 1, 2011
· DOI :10.1109/PEDSTC.2011.5742443
Ghias Farivar10
Estimated H-index: 10
(UT: University of Tehran),
Behzad Asaei12
Estimated H-index: 12
(UT: University of Tehran)
+ 1 AuthorsHossein Iman-Eini20
Estimated H-index: 20
(UT: University of Tehran)
Abstract
In this paper, an effective approach for estimating the operating temperature of a photovoltaic (PV) module is presented. The developed method is simple and does not need any additional hardware. The proposed approach uses an analytical formula to derive the temperature from the maximum power point (MPP) voltage and current. The effectiveness of the new method is investigated through some conducted simulations in MATLAB/Simulink environment and its validity is verified by experiment on REC-AE220 solar modules.
  • References (15)
  • Citations (8)
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References15
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#1Piyatida Trinuruk (King Mongkut's University of Technology Thonburi)H-Index: 1
#2Chumnong Sorapipatana (King Mongkut's University of Technology Thonburi)H-Index: 6
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Several models have been developed to estimate the operating cell temperatures of photovoltaic (PV) modules because they directly affect the performance of each PV module. In this study, two prediction models used most commonly, the nominal operating cell temperature (NOCT) model and the Sandia National Laboratory temperature prediction model (SNL), were investigated for their suitability in the prediction of PV module's temperatures for building integrated photovoltaic (BIPV) installation in th...
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#1Marcelo Gradella Villalva (State University of Campinas)H-Index: 12
#2Jonas Rafael Gazoli (State University of Campinas)H-Index: 9
Last. Ernesto Ruppert (State University of Campinas)H-Index: 16
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This paper proposes a method of modeling and simulation of photovoltaic arrays. The main objective is to find the parameters of the nonlinear I-V equation by adjusting the curve at three points: open circuit, maximum power, and short circuit. Given these three points, which are provided by all commercial array data sheets, the method finds the best I-V equation for the single-diode photovoltaic (PV) model including the effect of the series and parallel resistances, and warranties that the maximu...
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#1V.V.R. Scarpa (UNIPD: University of Padua)H-Index: 3
#2Simone Buso (UNIPD: University of Padua)H-Index: 24
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This paper proposes a method for tracking the maximum power point (MPP) of a photovoltaic (PV) module that exploits the relation existing between the values of module voltage and current at the MPP (MPP locus). Experimental evidence shows that this relation tends to be linear in conditions of high solar irradiation. The analysis of the PV module electrical model allows one to justify this result and to derive a linear approximation of the MPP locus. Based on that, an MPP tracking strategy is dev...
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Maximum power point tracking (MPPT) techniques are employed in photovoltaic (PV) systems to make full utilization of PV array output power which depends on solar irradiation and ambient temperature. Among all the MPPT strategies, the incremental conductance (INC) algorithm is widely used due to the high tracking accuracy at steady state and good adaptability to the rapidly changing atmospheric conditions. In this paper, a modified variable step size INC MPPT algorithm is proposed, which automati...
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The many different techniques for maximum power point tracking of photovoltaic (PV) arrays are discussed. The techniques are taken from the literature dating back to the earliest methods. It is shown that at least 19 distinct methods have been introduced in the literature, with many variations on implementation. This paper should serve as a convenient reference for future work in PV power generation.
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#1Weidong Xiao (UBC: University of British Columbia)H-Index: 29
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#1M. C. Alonso García (Complutense University of Madrid)H-Index: 2
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The simulation of module temperature from Nominal Operation Cell Temperature (NOCT) is widely used to easily estimate module performance along the year. In this context, it is important to determine this parameter in a reliable way, as it is used to compare the performance of different module designs and can influence system predictions. At present there are several international standards that indicate the method to calculate NOCT in crystalline and thin-film terrestrial photovoltaic modules. T...
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