BIAN Jie-yu, IGARI Sanekazu, ZHOU Hong etc. Characteristics of various packaged reference photovoltaic devices and their conformities to international photovoltaic standards[J]. Editorial Office of Optics and Precision Engineering, 2016,24(3): 491-501
BIAN Jie-yu, IGARI Sanekazu, ZHOU Hong etc. Characteristics of various packaged reference photovoltaic devices and their conformities to international photovoltaic standards[J]. Editorial Office of Optics and Precision Engineering, 2016,24(3): 491-501 DOI: 10.3788/OPE.20162403.0491.
Characteristics of various packaged reference photovoltaic devices and their conformities to international photovoltaic standards
This paper focuses on analysis of the origins of measuring transfer errors of standard solar cells and the uncertainty to international photovoltaic standards from the International Electrotechnical Commission(IEC). Six kinds of commercial packaged PV devices were chosen randomly
and their properties including temperature responsibility
spectral response and surface reflection effect were measured and evaluated based on the IEC standards
The results demonstrate that the structure of packaged PV device affects its cooling effect and temperature measurement accuracy
so that to leads to the instability of temperature and short-circuit current(I
sc
). The variation coefficients are 0.12% for the temperature and 0.04% for the I
sc
. Moreover
the spectral responses with and without white bias lights all reflect the linearity feature of incident light intensity for the I
sc
in which the spectral responses were quantified by defining a spectral mismatch factor. The influence of surface reflection on I
sc
was analyzed by measuring I
sc
at different incident angles
and the ΔI
sc
caused by the surface reflection was deduced to be up to 0.21% by fitting with a cosine function. The results provide the important guidance for the manufacture
selection and application of the packaged PV devices in photovoltaic industry.
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