Chen Posted yesterday at 02:26 PM Posted yesterday at 02:26 PM Dear sir: Has the software taken into account the low-light performance on the rearside of bifacial module? thanks
Chen Posted 14 hours ago Author Posted 14 hours ago Because the irradiance of the front side or the rear side of PV module will be different, in this case, there will be a difference in conversion efficiency between the front and back sides,with respect to 1000 W/m².
Michele Oliosi Posted 12 hours ago Posted 12 hours ago Yes, actually the irradiance of front side + backside*bifaciality factor are put together, which gives an effective irradiance evaluation. Only after that, the PV conversion model applies. Indeed, the light reaches the same cells, be it from the front or the back. The same low-light performance is therefore taken into account for front and back (up to the bifaciality factor).
Chen Posted 12 hours ago Author Posted 12 hours ago I understand. What I mean is, if the irradiation intensity on the back of the module is relatively low while that on the front is relatively high, so does it imply that the low-light performance of the rear side is worse?
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