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Figure 2 AC-coupled Storage System – Scheme
Figure 3 Hybrid-coupled Storage System – Scheme
CAUTION:
For the AC-/ Hybrid-coupled system, unlike DC, two power meters are to be
mounted.
In Germany some federal states require that only AC solutions be used if more
than 10 kWp capacity of PV is installed, the meters of grid company must be
also installed in the system as the following figure shows.