FSP HySpirit series User Manual
22
http://www.fsp-group.com.tw/en/product/PVInverter.html
1.
1
st
Grid, 2
nd
Battery: Grid will provide power to the load first. If grid is not available, battery
power will provide power backup.
2.
1
st
Battery, 2
nd
Grid: Battery power will provide power to the load first. If battery power is
running out, grid will back up the load.
NOTE: This option will become ineffective during AC charging time and the priority will
automatically become 1
st
Grid and 2
nd
Battery order. Same as Grid-tie with backup (I).
Grid-tie with backup (IV):
Users are only allowed to set up peak time and off-peak electricity demand.
Working logic under peak time:
PV energy supply priority: 1
st
Load, 2
nd
Battery and 3
rd
Grid
PV power will provide power to the load first. If PV power is sufficient, it will charge battery next.
If there is remaining PV power left, it will feed-in to the grid. Feed-in to the grid is disabled in
default.
Battery charging source: PV only
Only after PV power fully supports the load, the remaining PV power is allowed to charge battery
during peak time.
Load supply source: 1
st
PV, 2
nd
Battery, 3
rd
Grid
PV power will provide power to the load first. If PV power is not sufficient, battery power will
back up the load. If battery power is not available, grid will provide the load. When PV power is
not available, battery power will supply the load first. If battery power is running out, grid will
back up the load.
Working logic under off-peak time:
PV energy supply priority: 1
st
Battery, 2
nd
Load and 3
rd
Grid
PV power will charge battery first. If PV power is sufficient, it will provide power to the loads. The
remaining PV power will feed to the grid.
