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I have noted in the training videos that in a three phase system configuration, the negative out of the 3 phase MUST be connected (/or in this case the 9 units).
May the negatives from Quattros be interconected between units but be isolated from the negative loads (or NEG from generator if the case), or they MUST be connected to NEG from the load all the time?.
I normally install a 4x100Amp breaker and neg is disconected from load on each 3 phase line, and maybe I am doing this wronly.
Regards.
The battery negative should remain unbroken between the units. This is because of some components not being galvanically isolated.
So when fusing your dc only fuse positive for each inverter or adding disconnects for both only after the bus bar down to the batteries.
See the book wiring unlimited.
Thanks for the response Alexandra, but I mentioned the AC neg, not the DC negative. Do you know about this?
Regards
