Primary calibration methods
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Ingo Kroeger
Calibration procedures of a reference cell
In principal there are 4 different procedures to calibrate reference solar cells:
a) The direct sunlight method
b) The global sunlight method
c) The Differential spectral responsivity method
d) The solar simulator method
All 4 methods can be conducted as primary or as secondary calibration methods, dependent on the reference applied. A description of these 4 methods can be found in IEC standard 60904-4 [4]. Follow the links above to get briefly summarized descriptions.
References
[4] IEC 60904-4:2009, Photovoltaic devices - Part 4: Reference solar devices - Procedures for establishing calibration traceability