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Expanding existing PV setup

03-06-2022 6:48pm

#1

reklamos
Registered Users Posts: 791 ✭✭✭

Join Date: June 2010

Posts: 769

I have existing setup with 12 panels on one slope but I do get good amount of sun on the other opposite one in the evenings. This got me thinking that I could expand my setup by adding more panels I could fit another 5-6 depending on the size. I have one free MPTT input on the inverter side the only question is about the max voltage that inverter can take. Anyone has tried to expand their existing setups?

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#2 03-06-2022 8:33pm

graememk

Registered Users Posts: 3,879 ✭✭✭

Join Date: January 2008

Posts: 3869

Max voltage is per mppt if that's any help

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#3 04-06-2022 10:58am

irishchris

Registered Users Posts: 3,012 ✭✭✭

Join Date: November 2005

Posts: 2884

https://www.boards.ie/discussion/2058248695/expanding-existing-pv-setup

Added an extra 7 X 380w panels earlier this year to my setup. 12 panels on first mppt and room for couple more on the one I just added.
Is your inverter Solis? If so this site is extremely handy and can advise exactly what you can add to each string
http://design.soliscloud.com/login

2

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