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      Monitoring a photovoltaic system during the partial solar eclipse of August 2017

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          Abstract

          The power output of a 4.85 kW residential photovoltaic (PV) system located in Rochester, NY is monitored during the partial solar eclipse of August 21, 2017. The data is compared with the data on a day before and on the same day, a year ago. The area of exposed solar disk is measured using astrophotography every 16 s of the eclipse. Global solar irradiance is estimated using the eclipse shading, time of the day, location coordinates, atmospheric conditions and panel orientation. A sharp decline, as expected in the energy produced is observed at the time of the peak of the eclipse. The observed data of the PV energy produced is related with the model calculations taking into account solar eclipse coverage and cloudiness conditions. The paper provides a cohesive approach of irradiance calculations and obtaining anticipated PV performance.

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          Most cited references13

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          The interrelationship and characteristic distribution of direct, diffuse and total solar radiation

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            Revised optical air mass tables and approximation formula.

            We correct an error in a widely used air mass table by recalculating the values on the basis of the ISO Standard Atmosphere (1972) and revise its approximation formula.
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              Calculating solar radiation for ecological studies

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                Author and article information

                Journal
                epjpv
                https://www.epj-pv.org
                EPJ Photovoltaics
                EPJ Photovolt.
                EDP Sciences
                2105-0716
                18 May 2018
                18 May 2018
                2018
                : 9
                : ( publisher-idID: epjpv/2018/01 )
                : 7
                Affiliations
                [1 ] Electrical & Microelectronic Engineering, Rochester Institute of Technology, , Rocheter, NY, USA,
                [2 ] Center of Imaging Science, Rochester Institute of Technology, , USA,
                [3 ] Astronomy Section, Rochester Academy of Science (ASRAS), , USA,
                Author notes
                Article
                pv170032
                10.1051/epjpv/2018005
                11efb1f9-f9e5-4696-98f7-f0d3946db9dc
                © S.K. Kurinec et al., published by EDP Sciences, 2018

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 21 November 2017
                : 21 March 2018
                : 3 April 2018
                Page count
                Figures: 12, Tables: 2, Equations: 15, References: 32, Pages: 10
                Categories
                Modules and Systems
                Regular Article
                Custom metadata
                EPJ Photovoltaics 9, 7 (2018)
                2018
                2018
                2018

                Sustainable & Green chemistry,Materials technology,Semiconductors,Materials for energy,Technical & Applied physics,Renewable energy
                astro imaging,solar irradiance,solar eclipse,photovoltaics,residential PV

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