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

Gottschalg, R. and Betts, T.R. and Infield, D.G. and Kearney, M.J. (2002) Experimental investigation of spectral effects on amorphous silicon solar cells in outdoor operation. In: 29th IEEE Photovoltaic Specialists Conference, 2002-05-19 - 2002-05-24, New Orleans.

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Abstract

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 while 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.

Item type: Conference or Workshop Item (Paper)
ID code: 39358
Keywords: experimental investigation, spectral effects, amorphous , silicon solar cells, outdoor operation, adders , temperature measurement , solar power generation, renewable energy resources, photovoltaic systems , photovoltaic cells, energy measurement, availability, annealing, amorphous silicon, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 25 Apr 2012 14:16
    Last modified: 17 Jul 2013 15:30
    URI: http://strathprints.strath.ac.uk/id/eprint/39358

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