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Title: Predicting the Spectral Effects of Soils on Concentrating Photovoltaic Systems

Abstract

The soiling losses on high concentrating photovoltaic (HCPV) systems may be influenced by the spectral properties of accumulated soil. We predicted the response of an isotype cell to changes in spectral content and reduction in transmission due to soiling using measured UV/vis transmittance through soil films. Artificial soil test blends deposited on glass coupons were used to supply the transmission data, which was then used to calculate the effect on model spectra. Moreover, the wavelength transparency of the test soil was varied by incorporating red and yellow mineral pigments into graded sand. The more spectrally responsive (yellow) soils were predicted to alter the current balance between the top and middle subcells throughout a range of air masses corresponding to daily and seasonal variation.

Authors:
 [1];  [1];  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1183077
Alternate Identifier(s):
OSTI ID: 1245222
Report Number(s):
SAND-2014-16657J
Journal ID: ISSN 0038-092X; 534553
Grant/Contract Number:  
AC04-94AL85000
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Solar Energy
Additional Journal Information:
Journal Volume: 112; Journal ID: ISSN 0038-092X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; spectral response; triple junction limiting current; soiling losses

Citation Formats

Burton, Patrick D., King, Bruce Hardison, and Riley, Daniel M. Predicting the Spectral Effects of Soils on Concentrating Photovoltaic Systems. United States: N. p., 2014. Web. doi:10.1016/j.solener.2014.11.022.
Burton, Patrick D., King, Bruce Hardison, & Riley, Daniel M. Predicting the Spectral Effects of Soils on Concentrating Photovoltaic Systems. United States. doi:10.1016/j.solener.2014.11.022.
Burton, Patrick D., King, Bruce Hardison, and Riley, Daniel M. Mon . "Predicting the Spectral Effects of Soils on Concentrating Photovoltaic Systems". United States. doi:10.1016/j.solener.2014.11.022. https://www.osti.gov/servlets/purl/1183077.
@article{osti_1183077,
title = {Predicting the Spectral Effects of Soils on Concentrating Photovoltaic Systems},
author = {Burton, Patrick D. and King, Bruce Hardison and Riley, Daniel M.},
abstractNote = {The soiling losses on high concentrating photovoltaic (HCPV) systems may be influenced by the spectral properties of accumulated soil. We predicted the response of an isotype cell to changes in spectral content and reduction in transmission due to soiling using measured UV/vis transmittance through soil films. Artificial soil test blends deposited on glass coupons were used to supply the transmission data, which was then used to calculate the effect on model spectra. Moreover, the wavelength transparency of the test soil was varied by incorporating red and yellow mineral pigments into graded sand. The more spectrally responsive (yellow) soils were predicted to alter the current balance between the top and middle subcells throughout a range of air masses corresponding to daily and seasonal variation.},
doi = {10.1016/j.solener.2014.11.022},
journal = {Solar Energy},
issn = {0038-092X},
number = ,
volume = 112,
place = {United States},
year = {2014},
month = {12}
}

Journal Article:
Free Publicly Available Full Text
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