Technical evaluation of two 6-kW mono-Si photovoltaic systems at the National Renewable Energy Laboratory

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This paper presents an analysis of performance data on the two 6-kW{sub ac} grid-connected photovoltaic systems at the National Renewable Energy Laboratory (NREL). The performance parameters analyzed include dc and ac power, aperture efficiency, energy, capacity factor and performance index which are compared to plane-of-array irradiance, ambient temperature, and back-of-module temperature as a function of time, either daily or monthly. Power ratings of the systems were also obtained for data corresponding to different test conditions. This study has shown, in addition to expected seasonal trends, that system monitoring is a valuable tool in assessing performance and detecting faulty equipment. In … continued below

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6 p.

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Dyk, E.E. van; Strand, T. & Hansen, R. May 1, 1996.

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Description

This paper presents an analysis of performance data on the two 6-kW{sub ac} grid-connected photovoltaic systems at the National Renewable Energy Laboratory (NREL). The performance parameters analyzed include dc and ac power, aperture efficiency, energy, capacity factor and performance index which are compared to plane-of-array irradiance, ambient temperature, and back-of-module temperature as a function of time, either daily or monthly. Power ratings of the systems were also obtained for data corresponding to different test conditions. This study has shown, in addition to expected seasonal trends, that system monitoring is a valuable tool in assessing performance and detecting faulty equipment. In addition, methods applied for this study may be used to evaluate and compare systems employing different cell technologies.

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6 p.

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OSTI as DE96007889

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  • 25. photovoltaic solar energy conference, Washington, DC (United States), 13-17 May 1996

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  • Other: DE96007889
  • Report No.: NREL/TP--411-20430
  • Report No.: CONF-960513--3
  • Grant Number: AC36-83CH10093
  • Office of Scientific & Technical Information Report Number: 236270
  • Archival Resource Key: ark:/67531/metadc666991

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Office of Scientific & Technical Information Technical Reports

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  • May 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • March 31, 2016, 5:48 p.m.

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Dyk, E.E. van; Strand, T. & Hansen, R. Technical evaluation of two 6-kW mono-Si photovoltaic systems at the National Renewable Energy Laboratory, article, May 1, 1996; Golden, Colorado. (https://digital.library.unt.edu/ark:/67531/metadc666991/: accessed March 28, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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