Seasonal performance of a-SI single- and multi-junction modules in two locations

R. Gottschalg, J.A. del Cueto, T.R. Betts, D.G. Infield

Research output: Contribution to conferencePaper

16 Citations (Scopus)

Abstract

Module performance data collected at two sites are analyzed in order to identify the respective magnitudes of seasonal annealing and degradation in comparison to spectral effects. It is demonstrated in this paper that at one site (Loughborough, UK) the spectrum dominates and very little seasonal annealing is observed. In contrast, at the other site (Golden, US), half of the seasonal variation can be attributed to spectral changes while the other half must be attributed to thermal annealing of defects. Differences between multi-junction categories are investigated and it is shown that singlejunction devices exhibit a greater seasonal annealing than multi-junctions, while the latter tend to be more influenced by spectral effects.
LanguageEnglish
Pages1484-1487
Number of pages4
DOIs
Publication statusPublished - Jan 2005
Event31st IEEE Photovoltaic Specialist Conference - Florida, United States
Duration: 3 Jan 20057 Jan 2005

Conference

Conference31st IEEE Photovoltaic Specialist Conference
CountryUnited States
CityFlorida
Period3/01/057/01/05

Fingerprint

International System of Units
modules
annealing
annual variations
degradation
defects

Keywords

  • seasonal performance
  • a-Si
  • single-
  • multijunction modules
  • two locations
  • annealing
  • voltage
  • temperature
  • system testing
  • renewable energy resources
  • power measurement
  • photonic band gap
  • manufacturing
  • dual band
  • degradation

Cite this

Gottschalg, R., del Cueto, J. A., Betts, T. R., & Infield, D. G. (2005). Seasonal performance of a-SI single- and multi-junction modules in two locations. 1484-1487. Paper presented at 31st IEEE Photovoltaic Specialist Conference, Florida, United States. https://doi.org/10.1109/PVSC.2005.1488423
Gottschalg, R. ; del Cueto, J.A. ; Betts, T.R. ; Infield, D.G. / Seasonal performance of a-SI single- and multi-junction modules in two locations. Paper presented at 31st IEEE Photovoltaic Specialist Conference, Florida, United States.4 p.
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Gottschalg, R, del Cueto, JA, Betts, TR & Infield, DG 2005, 'Seasonal performance of a-SI single- and multi-junction modules in two locations' Paper presented at 31st IEEE Photovoltaic Specialist Conference, Florida, United States, 3/01/05 - 7/01/05, pp. 1484-1487. https://doi.org/10.1109/PVSC.2005.1488423

Seasonal performance of a-SI single- and multi-junction modules in two locations. / Gottschalg, R.; del Cueto, J.A.; Betts, T.R.; Infield, D.G.

2005. 1484-1487 Paper presented at 31st IEEE Photovoltaic Specialist Conference, Florida, United States.

Research output: Contribution to conferencePaper

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N2 - Module performance data collected at two sites are analyzed in order to identify the respective magnitudes of seasonal annealing and degradation in comparison to spectral effects. It is demonstrated in this paper that at one site (Loughborough, UK) the spectrum dominates and very little seasonal annealing is observed. In contrast, at the other site (Golden, US), half of the seasonal variation can be attributed to spectral changes while the other half must be attributed to thermal annealing of defects. Differences between multi-junction categories are investigated and it is shown that singlejunction devices exhibit a greater seasonal annealing than multi-junctions, while the latter tend to be more influenced by spectral effects.

AB - Module performance data collected at two sites are analyzed in order to identify the respective magnitudes of seasonal annealing and degradation in comparison to spectral effects. It is demonstrated in this paper that at one site (Loughborough, UK) the spectrum dominates and very little seasonal annealing is observed. In contrast, at the other site (Golden, US), half of the seasonal variation can be attributed to spectral changes while the other half must be attributed to thermal annealing of defects. Differences between multi-junction categories are investigated and it is shown that singlejunction devices exhibit a greater seasonal annealing than multi-junctions, while the latter tend to be more influenced by spectral effects.

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KW - voltage

KW - temperature

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KW - renewable energy resources

KW - power measurement

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Gottschalg R, del Cueto JA, Betts TR, Infield DG. Seasonal performance of a-SI single- and multi-junction modules in two locations. 2005. Paper presented at 31st IEEE Photovoltaic Specialist Conference, Florida, United States. https://doi.org/10.1109/PVSC.2005.1488423