Electrical Connection SMA Solar Technology AG
40 SMC9-11TLRP-IEN100640 Installation Guide
Configuration Options
There are 4 different configuration options for the "PowerBalancer" parameter.
•FaultGuard
This operating mode allows to implement a three-phase grid voltage monitoring that also reacts
to device failures.
– If one of the three inverters indicates a grid voltage fault and stops feeding in, the other
two inverters also disconnect from the grid immediately.
– If one of the three inverters indicates a device fault and stops feeding in, the other two
inverters also disconnect from the grid 5 minutes later.
Local connection requirements
Select the respective setting and always observe the local connection requirements and
provisions of your utility operator.
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