The performance of a new high-concentration solar simulator for photovoltaic cell testing needs to be verified in terms
of homogeneity, spectral distribution and light intensity. As a consequence of the lack of standards used to define the
specifications of such test systems, a series of procedures were devised in order to evaluate the performance of the
system. These included the development of an x-y scanning stage to verify homogeneity, a method to evaluate the
spectrum of the high-concentration light, and finally a means of verifying the concentration levels at the test plane. A
technique to assure the linearity of the photovoltaic monitoring devices is discussed, which is an essential part of
transferring a one-sun calibration to a device operating at high concentrations. The results show an acceptable
inhomogeneity of irradiance distribution of 2%. Spectral irradiance measurements indicate that there is a shift in the
simulator spectrum at different concentration levels. The subsequent analysis also showed that a substantial error could
be introduced if a mismatched reference device is used to monitor concentration levels at varying intensities.
NORTON Matthew;
GALLEANO Roberto;
KENNY Robert;
2014-01-27
WIP Munich
JRC80605
3-936338-33-7,
http://www.eupvsec-proceedings.com/proceedings?paper=25362,
https://publications.jrc.ec.europa.eu/repository/handle/JRC80605,
10.4229/28thEUPVSEC2013-1CV.6.14,
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