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Evaluation of Solar Reference Cells on a Two-Axis Tracker Using Spectral Measurements

Conference ·
DOI:https://doi.org/10.1063/5.0085841· OSTI ID:1874015
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A simple model calculating the performance of an IMT solar reference cell is proposed and tested under clear sky periods. One-minute data from EKO spectroradiometers collocated with an IMT reference cell are used for the analysis. Data are obtained at the NREL Solar Radiation Research Laboratory in Golden, Colorado and the UO Solar Radiation Monitoring Laboratory in Eugene, Oregon. The model is also applied and evaluated under cloudy conditions. A match of better than 1% is found between calculated clear sky values and IMT measurements for July, 2020. One- minute cloudy sky comparisons show a much larger variation, but when averaged over one hour, a standard deviation of 4% between the calculated and measured values is found.
Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
DOE Contract Number:
AC36-08GO28308
OSTI ID:
1874015
Report Number(s):
NREL/CP-5D00-83287; MainId:84060; UUID:172226af-5aac-4fe2-ab15-6900ae668355; MainAdminID:64758
Country of Publication:
United States
Language:
English

References (6)

Comparison and Analysis of Instruments Measuring Plane of Array Irradiance for One-Axis Tracking PV Systems
  • Vignola, Frank; Chiu, Chun-Yu; Peterson, Josh
  • 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC), 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC) https://doi.org/10.1109/PVSC.2017.8366337
conference June 2017
Improved Field Evaluation of Reference Cell Using Spectral Measurements conference June 2019
Numerical method for angle-of-incidence correction factors for diffuse radiation incident photovoltaic modules journal May 2017
Comparison of Pyranometers and Reference Cells on Fixed and One-axis Tracking Surfaces conference January 2017
Modeling daylight availability and irradiance components from direct and global irradiance journal January 1990
Temperature dependence of the short circuit current and spectral responsivity of various kinds of crystalline silicon photovoltaic devices journal July 2018

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IMT solar reference cell
SOLAR ENERGY
atmospheric radiation
radiation monitoring