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

T.R. Betts, R. Gottschalg, D.G. Infield

Research output: Contribution to conferencePaper

Abstract

A new model for calculating spectral irradiance from standard meteorological inputs is presented, named ASPIRE (All-sky SPectral IRadiancE). 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.
LanguageEnglish
Pages2182-2185
Number of pages4
Publication statusPublished - May 2003
Event3rd World Conference on Photovoltaic Energy Conversion - Osaka, Japan
Duration: 11 May 200318 May 2003

Conference

Conference3rd World Conference on Photovoltaic Energy Conversion
CountryJapan
CityOsaka
Period11/05/0318/05/03

Fingerprint

clear sky
cloud cover
irradiance
transmittance
air mass
modeling
energy
effect

Keywords

  • aspire
  • tool
  • investigate
  • spectral effects
  • pv device
  • performance
  • solar cells

Cite this

Betts, T. R., Gottschalg, R., & Infield, D. G. (2003). ASPIRE: a tool to investigate spectral effects on PV device performance. 2182-2185. Paper presented at 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan.
Betts, T.R. ; Gottschalg, R. ; Infield, D.G. / ASPIRE : a tool to investigate spectral effects on PV device performance. Paper presented at 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan.4 p.
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Betts, TR, Gottschalg, R & Infield, DG 2003, 'ASPIRE: a tool to investigate spectral effects on PV device performance' Paper presented at 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan, 11/05/03 - 18/05/03, pp. 2182-2185.

ASPIRE : a tool to investigate spectral effects on PV device performance. / Betts, T.R.; Gottschalg, R.; Infield, D.G.

2003. 2182-2185 Paper presented at 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan.

Research output: Contribution to conferencePaper

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T2 - a tool to investigate spectral effects on PV device performance

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AU - Infield, D.G.

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AB - A new model for calculating spectral irradiance from standard meteorological inputs is presented, named ASPIRE (All-sky SPectral IRadiancE). 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.

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Betts TR, Gottschalg R, Infield DG. ASPIRE: a tool to investigate spectral effects on PV device performance. 2003. Paper presented at 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan.