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Predicting energy production for multijunction photovoltaics: Effects of spectral variation and cumulative irradiance

Warmann, Emily C. and Atwater, Harry A. (2017) Predicting energy production for multijunction photovoltaics: Effects of spectral variation and cumulative irradiance. In: 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC). IEEE , Piscataway, NJ, pp. 1-3. ISBN 978-1-5090-5605-7. http://resolver.caltech.edu/CaltechAUTHORS:20180601-090813461

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Abstract

Variation of the incident spectrum under real-world illumination conditions can degrade the performance of series connected multijunction solar cells that are optimized for performance under the AM1.5D standard spectrum. Current approaches to correct for this factor and estimate energy production for deployed systems require large amounts of field data and are not useful for evaluating prospective designs. We present a set of 20 spectra that capture the average spectral composition for direct normal irradiance at different cumulative irradiance levels. Combined with the NSRDB information on the frequency of cumulative irradiance levels at locations across the United States, these 20 spectra allow us to predict the energy production of spectrum splitting photovoltaic systems with minimal computation required.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/PVSC.2017.8366062DOIArticle
https://ieeexplore.ieee.org/document/8366062PublisherArticle
ORCID:
AuthorORCID
Atwater, Harry A.0000-0001-9435-0201
Additional Information:© 2017 IEEE.
Record Number:CaltechAUTHORS:20180601-090813461
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180601-090813461
Official Citation:E. C. Warmann and H. A. Atwater, "Predicting energy production for multijunction photovoltaics: Effects of spectral variation and cumulative irradiance," 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC), Washington, DC, USA, 2017, pp. 1-3. doi: 10.1109/PVSC.2017.8366062
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86739
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:01 Jun 2018 16:16
Last Modified:01 Jun 2018 16:16

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