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ASPIRE - a tool to investigate spectral effects on PV device performance

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conference contribution
posted on 2011-03-15, 09:57 authored by Tom BettsTom Betts, Ralph Gottschalg, David Infield
A new model for calculating spectral irradiance from standard meteorological inputs is presented, named ASPIRE (All-sky SPectral IRradiancE). The Bouger law-based transmittance approach for modelling clear-sky spectra has been augmented with an extended empirical process to account for variation with cloud cover. Unlike previous clear-sky models, this new tool separates the effects of air mass from cloud cover within the clearness index by comparing measured solar spectra with the results of clear-sky modelling. The intended use of the ASPIRE model is to allow investigation of spectral effects on PV device output under realistic operating conditions, for which measured spectral irradiance data is rarely available. These investigations are important to refine the energy yield calculations for PV systems operating under seasonally varying spectra, especially wide band gap materials.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Research Unit

  • Centre for Renewable Energy Systems Technology (CREST)

Citation

BETTS, T.R., GOTTSCHALG, R. and INFIELD, D., 2003. ASPIRE - a tool to investigate spectral effects on PV device performance. IN: Proceedings of 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan, 11-18 May, 3, pp. 2182-2185.

Publisher

© IEEE

Version

  • VoR (Version of Record)

Publication date

2003

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

4990181603

Language

  • en

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