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Forecasting annual energy yield enhancement from diffuse light collectors for III-V multijunction microconcentrator photovoltaics

Forecasting annual energy yield enhancement from diffuse light collectors for III-V multijunction... Abstract.Conventional concentrator photovoltaics (CPV) employing two-axis tracking are generally only economically competitive with cheaper, less efficient alternatives in locations with large amounts of direct sunlight. Adding a diffuse light collector to a CPV panel in the form of a silicon back panel can potentially improve the light collection under cloudy conditions and expand the range of climates in which CPV is useful. However, to understand the performance advantages available with diffuse collection, a realistic forecasting tool to predict performance in different locations is required. We introduce a model to evaluate the annual energy yield of a hybrid CPV and Si module and compare the results with several conventional stand-alone Si and CPV modules. The advantages of including a bifacial Si panel as the diffuse collector will also be investigated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Photonics for Energy SPIE

Forecasting annual energy yield enhancement from diffuse light collectors for III-V multijunction microconcentrator photovoltaics

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Publisher
SPIE
Copyright
© 2022 Society of Photo-Optical Instrumentation Engineers (SPIE)
ISSN
1947-7988
eISSN
1947-7988
DOI
10.1117/1.jpe.12.015501
Publisher site
See Article on Publisher Site

Abstract

Abstract.Conventional concentrator photovoltaics (CPV) employing two-axis tracking are generally only economically competitive with cheaper, less efficient alternatives in locations with large amounts of direct sunlight. Adding a diffuse light collector to a CPV panel in the form of a silicon back panel can potentially improve the light collection under cloudy conditions and expand the range of climates in which CPV is useful. However, to understand the performance advantages available with diffuse collection, a realistic forecasting tool to predict performance in different locations is required. We introduce a model to evaluate the annual energy yield of a hybrid CPV and Si module and compare the results with several conventional stand-alone Si and CPV modules. The advantages of including a bifacial Si panel as the diffuse collector will also be investigated.

Journal

Journal of Photonics for Energy – SPIE

Published: Jan 1, 2022

Keywords: microconcentrator photovoltaics; direct-diffuse hybrid collector; transfer printing; thermal modeling; circuit modeling; energy yield forecast

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