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In-situ comparison of thermal measurement technologies for interpretation of PV module temperature de-rating effects
Author(s): Teri Elwood; Whit Bennett; Teh Lai; Kelly Simmons-Potter
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Paper Abstract

It is well known that the efficiency of a photovoltaic (PV) module is strongly impacted by its temperature such that higher temperatures lead to lower energy conversion efficiencies. An accurate measurement of the temperature de-rating effect, therefore, is vital to the correct interpretation of PV module performance under varied environmental conditions. The current work investigates and compares methods for performing measurements of module temperature both in the lab and in field-test environments. A comparison of several temperature measurement devices was made in order to establish the ideal sensor configuration for quantifying module operating temperature. Sensors were also placed in various locations along a string of up to eight photovoltaic modules to examine the variance in operating temperature with position in the string and within a larger array of strings.

Paper Details

Date Published: 26 September 2016
PDF: 8 pages
Proc. SPIE 9938, Reliability of Photovoltaic Cells, Modules, Components, and Systems IX, 99380Q (26 September 2016); doi: 10.1117/12.2237934
Show Author Affiliations
Teri Elwood, The Univ. of Arizona (United States)
Whit Bennett, The Univ. of Arizona (United States)
Teh Lai, The Univ. of Arizona (United States)
Kelly Simmons-Potter, The Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 9938:
Reliability of Photovoltaic Cells, Modules, Components, and Systems IX
Neelkanth G. Dhere; John H. Wohlgemuth; Keiichiro Sakurai, Editor(s)

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