When your using two inverters in parallel how do you ground the AC. Do you connect each inverters AC ground out terminal with a wire or grounding strap to separate ground rods? The same ground rod? Were you connect one inverters ground to the other inverters ground and that inverters ground to the grounding rod. Thanks
As a general principle connect all equipment separately to a "star point" (or Main Earthing Terminal in UK parlance), then connect to this MET a single ground rod and any bonding wires to water and gas pipes and structural steelwork.
This approach is better than wiring from one inverter to another as you can disconnect any piece of equipment for servicing without it affecting anything else.
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