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Title:
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Comparison of PV Module Performance Before and After 11-Years of Field Exposure
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Author:
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Reis, Antonio M.; Coleman, Nathaniel T.; Marshall, Marc W.; Lehman, Peter A.; Chamberlin, Charles E.
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Abstract:
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In 1990 the Schatz Energy Research Center (SERC)
installed a PV array comprised of 192 ARCO M-75
modules. Prior to installation, Zoellick [1] carefully
measured module performance and reported average
peak power at normal operating cell temperature (NOCT)
to be 39.88 W, which was 14.1% lower than the 46.4 W
nameplate rating. For the past 11 years the array has
been exposed to and employed in a cool, marine
environment. Of the original 192 modules, 191 were
recently tested in order to re-evaluate their performance.
This paper describes the equipment, conditions, and
procedure used in retesting the modules, and reports
module performance results. Notable results are that
average module short circuit current and maximum power
production at NOCT have decreased by 6.38% and
4.39%, respectively. |
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Description:
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Presented at the 29th Institute of Electrical and Electronics Engineers (IEEE) Photovoltaic Specialists Conference, New Orleans, 2002 |
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URI:
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http://hdl.handle.net/2148/44
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Date:
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May 2002 |
