Inverter handling on unbalanced tri phase load

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cdsgames
Posts: 2
Joined: Mon Jan 27, 2025 2:39 pm

Hello

I am looking for a system for my house. We live in France in a very old house and even with a geothermal PAC we use about 21.000 Kwh per annum

So I am looking to install 15Kwc system with 10Kw of battery.

I see that Foxess has a PRO inverter where they advertise that triphase can be unbalanced. How about the normal inverter can it also handle unbalanced triphase load ?

Thx you for your time.
Dave Foster
Posts: 1524
Joined: Thu Oct 13, 2022 7:21 pm

The Fox H3 inverter is also able to be configured to work with unbalanced loads, see attached operational description from the H3 manual.

The maximum power it can output per phase is 1/3 of the inverters total output power i.e. an H3-15 inverter can output a maximum of 5 kW on each of it’s phases.
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cdsgames
Posts: 2
Joined: Mon Jan 27, 2025 2:39 pm

Yes the H3 pro can do it...I was asking about the non pro inverter 12Kwh
Dave Foster
Posts: 1524
Joined: Thu Oct 13, 2022 7:21 pm

cdsgames wrote: Tue Jan 28, 2025 8:38 am Yes the H3 pro can do it...I was asking about the non pro inverter 12Kwh
That's what I said
The Fox 'H3' inverter is also able to be configured to work with unbalanced loads, see attached operational description from the 'H3' manual.
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