Hello,
I have a question wrt the output power of my 75/15. after sunset the power goes to -1W.
How can this happen? The solar panel is hopefully not consuming energy....
Has someone any idea?
Cheers
Dirk
asked
MPPT 75/15 showing -1W
To troubles shoot, can you unplug the panel and see if it changes? If it does then you know it is the panel.
Is that coming from the BMV? or Venus device?
It isn't the Solar panel draining power, it is the MPPT itself, it will be drawing a small current for it's own circuitry (such as Ve port, reporting, etc.) and that is how you are even getting those figures, presumably it is connected to a Venus GX or similar in order to get your reporting. I'm surprised it shows so little.
My system draws a stead 11w all the time, but is inclusive of:
1 x Venus GX on raspberry Pi
1 x Battery Shunt
1 x Batter Isolator
1 x MPPT 100/50
1 x EasySolar in Charge Only mode (just so it continues to report to the Venus.)
Also the reason it shows in your Solar PV Yield - is likely that in your Venus GX you have your Solar MPPT set as the Battery Monitor.
