·
Grid-tie with backup (II) :
PV energy supply priority setting:
PV power will provide power to the load first. Then, it will charge battery. If there is
any remaining power left, it will feed-in to the grid.
Battery charging source:
1.
PV and Grid
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 PV power or grid.
Load supply source:
When PV power is available:
1.
1st PV, 2nd Battery, 3rd Grid
PV power will provide power to the load first. If it’s not sufficient, battery power will
provide power to the load. When battery power is running out or not available, grid
will back up the load.
2.
1st PV, 2nd Grid, 3rd Battery
PV power will provide power to the load first. 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.
1st Load, 2nd Battery and 3rd Grid.
When PV power is not available:
1.
1st Grid, 2nd Battery: Grid will provide power to the load at first. If grid is not
available, battery power will provide power backup.
2.
1st Battery, 2nd Grid: Battery power will provide power to the load at 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 1st Grid and 2nd Battery order. Otherwise, it will cause
battery damage.
·
Grid-tie with backup
(
III) :
PV energy supply priority setting:
PV power will provide power to the load first. If there is more PV power available, it
will feed-in to the grid. If feed-in power reaches max. feed-in power setting, the
remaining power will charge battery.
NOTE: The max. feed-in grid power setting is available in parameter setting. Please
refer to software manual.
Battery charging source:
1.
PV and Grid: 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 PV power or grid.
1st Load, 2nd Grid and 3rd Battery
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