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michelg asked

VRM / Cerbo GX wrong numbers ?

Hi everybody ! It seems something is not correctly calculated, if you take a look at the picture below :

-257W are coming from the battery, and 25W from the PVCharger, which bring us a total of 282W being consumed, but you can see that DC Power is consuming 423W, so where are coming from the missing 141W ? As far as I know, we can not produce more energy than those which is available, unless being a nuclear surgenerator, which is clearly not the case ;)

Any comment is welcome.

BTW, latest v2.73 firmware on C.GX, and "DC System" is ON (usually my DC stuff consumes 30W)

Thanks, Michel

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1 Answer
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michelg answered ·

Hi everybody ! It seems that the power detected / used by the inverter and the Carlo Gavazzi meter, is not correctly added or miscalculated somewhere.

I just switched off the inverter and switched to the Phoenix 800, and numbers seem to be more accurate right now. It could be interesting to know which formula is applied to the "DC Power" information, in order to understand it better.

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