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Appendix
14.5 Micro-grid Application
Introduction of Micro-grid application
Due to Islanding Effect, on-grid inverter is unable to work during off-grid. This
characteristic makes user losing the on-grid inverter PV energy when off-grid. Micro-grid is
the function that making hybrid inverter simulate the grid to active on-grid inverter during
off-grid by connecting on-grid inverter to hybrid inverter's EPS terminal.
Wiring conenction diagram
EPS loads
On-grid inverter
Common loads
Meter
Grid
PV
X-
CLOUD
DC
AC
COM
Meter
PV
Figure 14-13 Micro-grid wiring connection
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