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Appendix
Working modes
①
Grid on
• When PV is sufficient, the hybrid and on-grid inverters power the general and
critical loads together. When there is surplus energy on the on-grid inverter, it will
also charge the battery connected to the hybrid inverter.
• When PV is insufficient, the hybrid, on-grid inverter and grid power all the loads.
EPS loads
On-grid inverter
Common loads
Meter
Grid
PV
X-
CLOUD
DC
AC
COM
Meter
PV
Figure 14-14 Power flowing when grid on and PV sufficient
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