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Experimental investigation of spectral effects on amorphous silicon solar cells in outdoor operation
conference contribution
posted on 2011-03-15, 16:41 authored by Ralph Gottschalg, Tom BettsTom Betts, David Infield, Michael J. KearneyThe effect of varying spectrum on PV output is often
underestimated in the case of amorphous silicon photovoltaic
devices. This paper gives an indication of the order
of magnitude of the seasonal variation of the useful irradiance
in a maritime climate and also shows that this will
involve a direct change in efficiency. This can be expected
to be in the range of 15 percent around the annual average,
thus explaining the seasonal performance. The spectral
effects are investigated by distinguishing between a
primary and a secondary effect. The primary effect is dependent
on the availability of useful spectral irradiance
wflile the secondary effect depends also on the spectral
composition of the light in the useful range. It is shown
that the secondary effect is especially significant for double
junction devices.
History
School
- Mechanical, Electrical and Manufacturing Engineering
Research Unit
- Centre for Renewable Energy Systems Technology (CREST)
Citation
GOTTSCHALG, R....et al., 2002. Experimental investigation of spectral effects on amorphous silicon solar cells in outdoor operation. IN: Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference, New Orleans, May 19-24, pp. 1138-1141.Publisher
© IEEEVersion
- VoR (Version of Record)
Publication date
2002Notes
This is a conference paper [© IEEE]. It is also available at: http://ieeexplore.ieee.org/ Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.ISBN
0780374711ISSN
1060-8371Publisher version
Language
- en
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