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Experimental investigation of spectral effects on amorphous silicon solar cells in outdoor operation

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conference contribution
posted on 2011-03-15, 16:41 authored by Ralph Gottschalg, Tom BettsTom Betts, David Infield, Michael J. Kearney
The 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

© IEEE

Version

  • VoR (Version of Record)

Publication date

2002

Notes

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

0780374711

ISSN

1060-8371

Language

  • en

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