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ee:solarsimulator [2025/06/24 11:46] FKR@staff.hsrw |
ee:solarsimulator [2025/06/24 12:07] (current) FKR@staff.hsrw |
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* Turn on vaccum by turnign all three levers | * Turn on vaccum by turnign all three levers | ||
* copper plate can be cleaned from oxidization by steel wool | * copper plate can be cleaned from oxidization by steel wool | ||
+ | * fill factor is the area under the MPP in realtion to the maximum possible defined by Isc and Voc. 80-82% is good. Bad FF can be because of bad contacts. | ||
+ | * Light intensity changes Isc. | ||
+ | * Temperature influences Voc (2 mV/K) | ||
+ | * Gap filler could be used for glass covered solar cells (mini module) | ||
+ | * Two profiles as templates (Std. cell & Mini Module) | ||
+ | * AM0 is the outer space spectrum | ||
+ | * SunsVOC Intesity sweep, how good could the cell be? | ||
+ | * cameras are from Basler | ||
+ | * contact pins from company Ingun | ||
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+ | Abbreviations: | ||
+ | * Isc - short circuit current | ||
+ | * Voc - open circuit voltage (woltage without current) | ||
+ | * MPP - maximum power point (a small blue cross in the graph) | ||
+ | * ETA - efficiency | ||
+ | * FF - Fill factor | ||
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+ | Ideas for "physics" experiment: | ||
+ | * Heating with hot air gun | ||
+ | * IR to test quantum efficiency? | ||
+ | * dark measurement, Idealitätsfaktor, 2-Dioden-Modell | ||
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