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valvetdk avatar image
valvetdk asked

Solar Power off grid

Hi


I have a question about off grid systems

I have ordered a MPPT 100/30 and a smart battery sense, but what happens to the power from the solar panel when the battery is fully charged ?

Are the MPPT just shutting down and where does the power go then ? Just around and around in the panels ?

MPPT SmartSolaroffgridpower
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matt1309 avatar image matt1309 commented ·
Yes MPPT will ramp down output once in absorption phase. If there's no external source for the power to go to (ie a grid connection with feed in allowed).


This is fine for PV if you've got wind/hydro you'll need a dump load for the excess power.

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