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Has the software taken into account the low-light performance on the rearside ?


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Posted

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. 

 

Posted

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).

Posted

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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