A research group in Japan identified a correlation between damp heat test of 1,000 hours to 3–6 years of field exposure in humid areas and changes in acetic acid concentration in photovoltaic modules.
Figure 1. Enertis Applus+ technicians performing terrestrial nighttime EL inspection on a PV plant (left), while an aerial night-time EL inspection is being conducted using a drone (right). Image: ...
‘These technologies enter the market without proper qualification,’ Gebhardt says. Image: Fraunhofer ISE This interview appears alongside others on module reliability in the latest edition of our ...
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