NDLI: Measurement uncertainties of the calibration of multi-junction solar cells

Content Provider	IEEE Xplore Digital Library
Author	Baur, C. Bett, A.W.
Copyright Year	2005
Description	Author affiliation: Fraunhofer-Inst. fur Solare Energiesysteme, Freiburg, Germany (Baur, C.; Bett, A.W.)
Abstract	Measurement uncertainties in the calibration of multijunction (MJ) cells are investigated. The focus is placed on the uncertainties originating from the main error sources when calibrating solar cells. These are the simulator spectrum and the spectral response measurement. Both uncertainties lead to an increase in the uncertainty of the photocurrents of the subcells. The correlation between the uncertainties of the cell parameters resulting from the above mentioned error sources is addressed. It will be shown that the correlation between the uncertainties of the cell parameters in a MJ cell differs from that in a single-junction (SJ) cell. The spectrometric characterization technique is used in a slightly modified way to reveal the dependencies of the different cell parameters on the uncertainties of the photocurrent in the subcells. For a triple-junction cell an expanded uncertainty of 2.4 % in power with a 95 % confidence was determined.
Sponsorship	IEEE Electron Devices Soc. (USA)
Starting Page	583
Ending Page	586
File Size	750872
Page Count	4
File Format	PDF
ISBN	0780387074
ISSN	01608371
DOI	10.1109/PVSC.2005.1488198
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-01-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Measurement uncertainty Calibration Photovoltaic cells Photoconductivity Testing Spectroscopy Measurement standards Sun Guidelines Standards development
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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