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SMC9-11TLRP-IA-en-51
Installation Manual
4 Product Description
SMA Solar Technology AG
Operating mode
Explanation
Off
The SMA Power Balancer is deactivated (default setting).
If one of the three inverters indicates a line voltage error or a device
fault, only the inverter affected disconnects from the electricity grid.
The other two inverters continue to feed in at full power.
FaultGuard
This operating mode allows you to implement three-phase line-voltage
monitoring, which also reacts to device faults.
• If one of the three inverters indicates a line-voltage error and
stops feeding in, the other two inverters also disconnect from the
electricity grid immediately.
• If one of the three inverters indicates a device fault and stops
feeding in, the other two inverters also disconnect from the
electricity grid after five minutes.
PhaseGuard
This operating mode allows you to implement three-phase line-voltage
monitoring.
• If one of the three inverters indicates a line-voltage error and
stops feeding in, the other two inverters also disconnect from the
electricity grid immediately.
• If one of the three inverters indicates a device fault and stops
feeding in, the other two inverters continue to feed in at full
power.
PowerGuard
You can select this operating mode if the entire PV plant consists only
of three Sunny Mini Central inverters and, in the event of an error,
unbalanced load is to be limited to between 4.6 kVA and 6 kVA
depending on the country data set selected.
• If one of the three inverters indicates a line voltage error or
device fault and stops feeding in, the other two inverters
automatically limit their power to between 4.6 kVA and 6 kVA
depending on the country data set selected.
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