costs, etc., that may arise as the result of a detected arc and its consequences.
Fronius accepts no liability for damage that can occur despite the presence of
the integrated Arc Fault Circuit Interrupter/extinguishing system ( e.g. caused by
a parallel arc).
IMPORTANT!
Active PV module electronics (e.g., power optimiser) can impair the function of
the Arc Fault Circuit Interrupter. Fronius does not guarantee that the Arc Fault
Circuit Interrupter will work correctly in combination with active PV module
electronics.
Reconnection behaviour
After detection of an arc, feeding energy into the grid is interrupted for at least 5
minutes. Depending on the configuration, feeding energy into the grid is then
automatically resumed. If several arcs are detected within a period of 24 hours,
feeding energy into the grid can also be permanently interrupted until a manual
reconnection has taken place."
Safe state If one of the following safety devices is triggered, the inverter switches to a safe
state:
-
WSD
-
Isolation monitoring
-
RCMU
-
AFCI
In the safe state, the inverter no longer feeds energy in and is disconnected from
the grid by opening the AC relays.
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