question

steffend avatar image
steffend asked

Has DC System - Incorrect Consumption in VRM when Phoenix Inverter is run on DC

Hey everyone,

I am running an off-grid system with a GX Device and an MPPT, BMV and Phoenix Inverter 12/800. I also have DC loads connected to the system. As long as the inverter is not running, the consumption values in VRM are perfectly valid, but as the inverter runs, the values measured are off, as the inverter power is just added ON TOP of the DC Load Power which already includes all the current drawn by the inverter.

Is there a way to configure the GX Device to ignore the AC Power measurements, as they are already included in the DC Load? If not: it'd be great to have an option in the menu that states that the inverter is run on the DC system. Otherwise I am unable to reliably log the system consumption...

VRMVenus OSgx devicedc system
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4 Answers
Wes Humpage avatar image
Wes Humpage answered ·

I am having the same issue with this, I have a few different installations, both identical. One reads correctly and the other reads wrong. See the pic below.

@mvader (Victron Energy) what are your thoughts?

The Chick Inn - reads wrong

1608777205287.png


MeMaDuKi's Shed reads right

1608777272219.png


Did you ever get it sorted? It must be a setting issue


1608777205287.png (122.3 KiB)
1608777272219.png (121.5 KiB)
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Paul B avatar image
Paul B answered ·

make sure that the phoenix is on the latest firmware,

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I did this but it made no change. The Phoenix inverter was a few versions behind. But the screens remain the same. I noticed that the one shed that was looking right, I found that the VE direct cable had fallen out :-(

After I put the cable back in, the values in all shed now read wrong, bugger

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John Muntanga avatar image
John Muntanga answered ·

I have the same issue. Is this a Phoenix inverter issue??

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steffen-graap avatar image
steffen-graap answered ·

I have the same problem too. Normally I have 11W in the DC system (2xRasPi). When I turn on the Phoenix Smart 1600 remotely, the DC power increases. However, it is not the entire power of the inverter on DC, but only a part that also depends on the AC power.

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