Can sunsynk inverter be setup as grid tie only.
Can sunsynk inverter be setup to turn off when grid turns off, if you also have batteries.
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Can sunsynk inverter be setup to turn off when grid turns off, if you also have batteries.
You need a link between neutral and earth of your generation source to ensure there is a path for fault currents back to the generator. Without there is a risk of electric shock from exposed metal housings etc that have somehow become connected to live (as a result of an internal fault).
Depending on how your grid supply is configured the grid neutral is typically either bonded to earth at the substation (TN-S or TT) or on entry to your property (TN-C-S). When the inverter disconnects from the grid that link no longer exists so it is essential that you create a local bond so that a risk of shock is not created.
This bond should typically only be in place when the inverter is in islanding mode in order to avoid problems in the event of grid side neutral faults.