NDLI: Effect of shunt resistance on the performance of mc-Silicon solar cells: a combined electro-optical and thermal investigation

Content Provider	IEEE Xplore Digital Library
Author	Barbato, M. Meneghini, M. Giliberto, V. Giaffreda, D. Magnone, P. De Rose, R. Fiegna, C. Meneghesso, G.
Copyright Year	2012
Description	Author affiliation: University of Bologna, ARCES (Advanced Research Center on Electronic Systems), 47521, Cesena (FC), Italy (Giaffreda, D.; Magnone, P.; De Rose, R.; Fiegna, C.) \|\| University of Padova, Department of Information Engineering, Via Gradenigo 6/B, 35131, Italy (Barbato, M.; Meneghini, M.; Giliberto, V.; Meneghesso, G.)
Abstract	In this paper we discuss the effect of shunt resistance on the electro-optical characteristics of multicrystalline silicon (mc-Si) solar cells at different illumination levels. The analysis is based on combined electro-optical characterization and thermographic measurements of solar cells with similar efficiencies, but with different shunt resistance levels. In order to understand how the shunt resistance can affect the performance of mc-Si solar cells, a special setup for J-V characterization at several illumination levels was developed. Results indicate that (i) a low shunt resistance is strongly correlated to the presence of hot spots, which can be identified by means of infrared thermography; (ii) solar cells with different shunt resistance levels can show significantly different fill factors and efficiencies, particularly at low irradiation levels. This can strongly influence the reliability of modules at low illumination conditions; (iii) the electrical characteristics of mc-Si solar cells can be modeled with good results, by considering the equivalent two-diode electrical model and solving it by a circuit simulator like SPICE.
Starting Page	001241
Ending Page	001245
File Size	789645
Page Count	5
File Format	PDF
ISBN	9781467300643
ISSN	01608371
e-ISBN	9781467300667
DOI	10.1109/PVSC.2012.6317827
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistance Photovoltaic cells Lighting Sun Photovoltaic systems Conferences modeling mc-Si solar cell dark I-V characterization thermographic pulsed characterization LED solar simulator
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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