Hey there,
I'm currently planning a grid-connected UPS solution for a NGO in the Peruvian Andes, for which I work on a voluntary basis. Main goal is to secure some security and IT appliances (single-phased) in the case of power outages. The system will consist out of 3-7 kWh LiFePo4 48V batteries, a Multiplus-II (probably 3kVA) and 2 to 4 kWp of solar via an MPPT controller. And a Cerbo GX as the heart of the system.
As we are also planning to get a larger (3-phase) generator or battery setup to support the whole complex (4 buildings) later on, we want to record our exact overall consumption data so that we can then size the system sensibly.
Also, feeding energy into the local grid will probably not be possible. But of course we're interested in consuming our solar-generated energy also by devices not directly connected to the Multiplus-II.
So I have some questions to better understand the system options:
- Is the consumption of surplus electricity "before" the Multiplus possible without grid feeding with an EM24 or similar?
- Can the logged data from the EM24 be exported stand-alone from the VRM portal for analysis on mean and peak consumption?
- If not, is there anything against connecting the EM24 via RS485 Modbus to another data logger besides the Cerbo GX to collect the data elsewhere?
- Are there compatible alternatives with > 65A?
Thanks a lot in advance!
