FSP HySpirit series User Manual
19
http://www.fsp-group.com.tw/en/product/PVInverter.html
Allow battery to feed-in to the Grid when PV is unavailable: This option is only valid in all options
of Grid-tie with backup mode.
Grid-tie with backup
Grid-tie with backup (I):
PV energy supply priority setting: 1
st
Battery, 2
nd
Load and 3
rd
Grid.
PV power will charge battery first, then provide power to the load. If there is any remaining
power left, it will feed-in to the grid.
Battery charging source:
1.
PV and Grid (Default)
It’s allowed to charge battery from PV power first. If it’s not sufficient, grid will charge battery.
2.
PV only
It is only allow PV power to charge battery.
3.
None
It is not allowed to charge battery no matter it’s from PV power or grid.
Load supply source:
When PV power is available: 1
st
PV, 2
nd
Grid, 3
rd
Battery
If battery is not fully charged, PV power will charge battery first. And remaining PV power will
provide power to the load. If it’s not sufficient, grid will provide power to the load. If grid is not
available at the same time, battery power will back up.
When PV power is not available:
1.
1
st
Grid, 2
nd
Battery (Default)
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 provide power to the load first. If battery power is running out, grid will support load.