Owner’s Manual for Generac PWRcell Inverter
9
General Information
See
. When grid service is interrupted, the
system enters Islanding mode. In Islanding mode, solar
and battery power protected loads. If enough solar power
is available, the solar will simultaneously charge the
battery and support the loads.
009958
Figure 2-8. Clean Backup (3 of 3)
Priority Backup
In Priority Backup mode, the inverter prioritizes keeping
batteries charged and ready for grid interruption using
solar or grid power. If the battery is not fully charged, all
available solar power is used to charge the battery. When
the available solar power is lower than the battery input
power rating, the inverter uses grid power to expedite
battery charging.
See
. If solar and grid power are available,
both can charge the battery. The system displays the
amount of power being drawn from the grid and the
amount of power being consumed by local loads before
reaching the battery.
009959
Figure 2-9. Priority Backup (1 of 2)
See
. In the event of grid failure, the inverter
enters Islanding mode. Protected loads are supported by
solar and battery power. If enough solar power is
available, the solar simultaneously charges the battery
and supports the loads.
009961
Figure 2-10. Priority Backup (2 of 2)
Self Supply
In Self Supply mode, the inverter prioritizes powering
local loads using solar and/or stored power first. This
mode is optimal in markets where net metering is
unavailable or unfavorable, making battery-stored power
more economically attractive than grid-provided power.
See
. If more power is being produced by the
solar array than is needed by local loads, the inverter
stores the energy in the battery for later use.
009962
Figure 2-11. Self Supply (1 of 3)
. When the battery is full and a surplus of
power is available, that surplus is exported to the grid.
009963
Figure 2-12. Self Supply (2 of 3)
Summary of Contents for PWRcell X11400 Series
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