Selectronic SP PRO 2i Series, Instruction Manual

Page: 55 / 113

SP LINK | Configuration Settings
Doc #OI0005 Rev26 2020
|
55
AC SOURCE controls the grid connection in three ways:-
Set the
Grid Input Limit to the maximum draw from the grid supply. This limit will
override the AC Source Power limit configured within the Quick Start settings. Any
AC Load demand above this limit will be supplied from the Battery plus renewable
energy sources (Battery / RE system).
This limit will only be breached if the AC Load demands more power than is
available from the Battery / RE system or if the SoC S upport Limit within the Priority
schedule is reached.
Set the
Grid Export Limit to the maximum power to be put into the grid. This limit
will override the AC Source Power limit configured within the Quick Start settings.
This limit only applies to Managed AC Coupling or DC Coupled PV and must be set
to the maximum (15kW for SPMC models and 30kW for SPLC models) when using
Generic AC Coupled supply.
Enable
Grid Disconnect to switch the SP PRO into standalone mode and operate
completely on the Battery plus any renewable energy generation. No grid export or
grid battery recharge is possible when the Grid Disconnect is Enabled
The Grid Disconnect setting will be overridden if the SoC Support Limit within the
Priority schedule is reached or if Inverter Disconnect is Enabled.
The
Grid Disconnect setting will be disabled and greyed out in all secondary
inverters in a Powerchain configuration. Only the System Manager (L1 manager)
controls this function.
INVERTER CONTROL manages the AC Load Battery Support by controlling the
amount and limit of battery support.
AC Load Support Limit sets the maximum AC Load power that can be supported
from the battery bank when the SP PRO is synchronised to the AC Source (Grid)
supply. This power does not include any contribution from AC or DC Coupled PV.
This limit is overridden to zero when the SoC Support Limit is reached.
SoC Support Limit sets the minimum Battery SoC that the AC Load Support and
AC Source control will operate to. When the SoC Support Limit is reached any
discharge demand on the battery is diverted to the AC Source (Grid) supply. When
the SoC recovers by 20% of the battery’s discharge (e.g. back to 68% with a SoC
Support Limit setting of 60%) then the AC Load Support Limit will once again
apply.
Setting Inverter Disconnect to Enable switches the SP PRO into grid feed through
mode and operate completely from the Grid and AC Coupled PV. No DC Coupled
grid export, grid battery recharge or AC Load Support is possible during times
when the Inverter Disconnect is Enabled.
The Inverter Disconnect setting will be overridden if the AC Source (Grid) supply
falls outside AC voltage and frequency tolerance. There will be short break in
supply (< 1.0 seconds) while the Inverter functions switches on-line to provide
back-up power.
The Inverter Disconnect setting will be disabled and greyed out in all secondary
inverters in a Powerchain configuration. Only the System manager controls this
function.