Highly Accurate Irradiation and Temperature Control for Next-Generation PV Module Characterisation
- van der Heide, Arvid
- Govaerts, Jonathan
- Tsanakas, John A.
- Aleman, Monica
- Harder, Nils
- Voroshazi, Eszter
DOIAbstract
In this paper, an advanced module solar simulator based on LEDs as irradiation sources is described, and its performance concerning control of irradiation and temperature is measured. The spectral match to the standard AM1.5G spectrum is outstanding between 400 nm-1100 nm, with a maximum deviation in the spectral intervals <2%, where <25% is required for class A simulators, according to the IEC standard. The irradiance non-uniformity across a 1.6 m x 1 m area is currently 2.1%, which is just above the 2% limit for class A, but this can be improved by adjusting the LED beam directions slightly. The long-term irradiance instability is 0.09%, which is well below the 2% limit of class A. Since the high efficiency modules of today can still prod...
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