NDLI: Spectral Sensitivity of Simulated Photovoltaic Module Soiling for a Variety of Synthesized Soil Types

Content Provider	IEEE Xplore Digital Library
Author	Burton, P.D. King, B.H.
Copyright Year	2011
Abstract	The accumulation of soil on photovoltaic (PV) modules may introduce a spectral loss due to the color profile of the accumulated material. In order to compare the spectral and total losses experienced by a cell, soil analogs were formulated to contain common mineral pigments (Fe₂O₃ and göthite) with previously developed “standard grime” mixtures. These mixtures simulated a wide range of desert soil colors and were applied to glass test coupons. The light transmission through the deposited film was evaluated by UV/vis/NIR spectroscopy and by placing the coupon over a test cell in a 1-sun simulator and quantum efficiency test stand. Distinct peaks in the 300-600-nm range were observed by UV/vis/NIR spectroscopy corresponding to the Fe₂O₃ and göthite. Approximately analogous features were noted in the QE measurement. Overall comparisons were made by integrating the response of a soiled coupon relative to a clean reference. Soils rich in red pigments (Fe₂O₃) caused a greater integrated response than soils rich in yellow pigment (göthite). The yellow soils caused a greater attenuation in a specific region of the spectrum (300-450 nm), which may have significant implications to specific devices, such as multijunction and CdTe technologies.
Starting Page	890
Ending Page	898
Page Count	9
File Size	784011
File Format	PDF
ISSN	21563381
Volume Number	4
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Soil Glass Soil measurements Pigments Photovoltaic systems surface contamination Performance evaluation photovoltaic (PV) systems soil coatings. standardized test methods
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Quantification of a Minimum Detectable Soiling Level to Affect Photovoltaic Devices by Natural and Simulated Soils

Determination of a minimum soiling level to affect photovoltaic devices

Application and Characterization of an Artificial Grime for Photovoltaic Soiling Studies

Quantification and Modeling of Spectral and Angular Losses of Naturally Soiled PV Modules

Study of Soiling Loss on Photovoltaic Modules With Artificially Deposited Dust of Different Gravimetric Densities and Compositions Collected From Different Locations in India

Soiling test methods and their use in predicting performance of photovoltaic modules in soiling environments

Macro- and microscale particle size effects of soil on photovoltaic surfaces

Accurately measuring PV soiling losses with soiling station employing module power measurements

Comparing PV power plant soiling measurements extracted from PV module irradiance and power measurements

Spectral Sensitivity of Simulated Photovoltaic Module Soiling for a Variety of Synthesized Soil Types

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