I've AC coupled off grid with the Sunny Island, but I haven't tried it
with Solar Edge. Can you adjust the Solar Edge coupling window to
outside the IEEE set points? We used to have set all GT inverters in
Hawaii wider, because the utility wanted them to stay on longer in a
brown out.
Ray W
Hi Ray,
I get the issues with AC coupling. However, this system already has a 3+
kW DC coupled array, the new array is close to 200' away, and it would take
2 more charge controllers of any of high voltage ones for this size array.
Are there any battery based inverters that folks have had decent l
I do not recommend AC coupling for off grid, except to offset daytime
loads or to add PV at remote buildings. Besides coupling errors like
you're experiencing, the entire system will shut down and not recharge,
if the VFX inverters shut down. With a DC coupled array, the batteries
can rechar
sorry, prematurely emailed previous post:
I'm wondering if the VFXs are just not capable of putting out clean enough
power in order to hold the SE HD inverter. I had it operating on this same
system for a couple of hours with not this problem. Is it likely that this
inverter combo is not going to
I have used SolarEdge to AC couple a smaller Array in the past, with no
issues. I recently added a fairly significant array (6.2k DC via a SE6K
(setap) inverter in an off-grid home which has had a dual stack VFX3648 for
many years. I also added 32kWh of Blue Ion batteries replacing an 80kWh
older
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