TY - GEN
T1 - Effect of spatial temperature uniformity on outdoor photovoltaic module performance characterization
AU - Umachandran, Neelesh
AU - Tamizhmani, Govindasamy
N1 - Publisher Copyright:
© 2016 IEEE.
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2016/11/18
Y1 - 2016/11/18
N2 - Temperature uniformity in a photovoltaic (PV) module is critical to accurately measure module performance parameters and temperature coeificients. In the case of indoor flash solar simulators, a uniform temperature among all the cells within a test module is maintained using a specialized thermal setup or an air conditioned environment. However, maintaining uniform module temperature in all the cells of a module under prevailing uncontrolled outdoor field conditions on clear sunny days has been a challenge. This study quantitatively determines the extent of temperature non-uniformity, and the influence of 'spatial' temperature distribution on the accuracy of module performance parameters and temperature coefficients. An experimental approach to improve temperature uniformity under prevailing field conditions is also presented to obtain outdoor performance data and to possibly improve field performance with less influence of temperature variability. Results indicate that better temperature uniformity and more accurate performance data can be obtained by thermally insulating the inner and outer surfaces of the module frame.
AB - Temperature uniformity in a photovoltaic (PV) module is critical to accurately measure module performance parameters and temperature coeificients. In the case of indoor flash solar simulators, a uniform temperature among all the cells within a test module is maintained using a specialized thermal setup or an air conditioned environment. However, maintaining uniform module temperature in all the cells of a module under prevailing uncontrolled outdoor field conditions on clear sunny days has been a challenge. This study quantitatively determines the extent of temperature non-uniformity, and the influence of 'spatial' temperature distribution on the accuracy of module performance parameters and temperature coefficients. An experimental approach to improve temperature uniformity under prevailing field conditions is also presented to obtain outdoor performance data and to possibly improve field performance with less influence of temperature variability. Results indicate that better temperature uniformity and more accurate performance data can be obtained by thermally insulating the inner and outer surfaces of the module frame.
KW - insulation
KW - outdoor
KW - performance
KW - temperature
KW - uniformity
UR - http://www.scopus.com/inward/record.url?scp=85003442737&partnerID=8YFLogxK
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U2 - 10.1109/PVSC.2016.7750148
DO - 10.1109/PVSC.2016.7750148
M3 - Conference contribution
AN - SCOPUS:85003442737
T3 - Conference Record of the IEEE Photovoltaic Specialists Conference
SP - 2731
EP - 2737
BT - 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 43rd IEEE Photovoltaic Specialists Conference, PVSC 2016
Y2 - 5 June 2016 through 10 June 2016
ER -