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PostPosted: Thu Jan 30, 2020 2:36 am 

Joined: Fri Jan 10, 2020 8:08 am
Posts: 1
Still pretty new to this, and even with the docs I'm not certain I'm doing it right. Can someone confirm it is?

Two inverters with three identical MPPTs each, four orientations.

50kW inverter #1: 43.6kWp (22x2x3)
Image
What does the checkbox to the right of Nb of MPPT inputs do?

50kW inverter #2: 18.8kWp (19x3) + 18.8kWp (19x3) + 17.8kWp (18x3)
Image(x3)
Image
Should "Use the Nominal..." be checked? Or should I change the PNom ratios?
What about Multi-orientation daily sharing?

Thanks


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PostPosted: Fri Feb 07, 2020 10:59 pm 
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Joined: Tue Oct 18, 2016 3:31 am
Posts: 262
I believe it sets the number of inverters to a default according to settings when DC AC ratio exceeds something. It will set the number of inverters to get rid of any warning you might have regarding DC AC ratio.

I'm not too familar with the use nominal power option, I dont see that on the inverters I use. I check set Pnom ratios the same when inputs in the inverter are shared (jumpered). If your inverter is not configured this way (each input is independent), you would not set it.


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