[RE-wrenches] Enphase AC coupled through autotransformer

[Jay Peltz]

Hi drake

I've done exactly this, 
VFX 3524
2 x enphase 190's
Worked fine. I didn't like the 60 hz ripple so I removed it. 

Jay
Peltz power

Sent from my iPhone

> On Sep 18, 2014, at 4:46 PM, Drake <drake.chamberlin at redwoodalliance.org> wrote:
> 
> Hello Wrenches,
> 
> Has anyone AC coupled an Enphase system to a 120 VAC inverter through an autotransformer? 
> 
> I'm wiring up a small Enphase system now to an Outback GVFX3524. I had a concern about the derived neutral possibly causing a ground reference problem for the Enphase. It seems that the derived neutral should connect to the system neutral through the Outback and create the right ground reference. 
> 
> Has anyone tried AC coupling Enphase to Outback (or other 120 VAC inverter) through an autotransformer? 
> 
> Thanks,
> 
> Drake 
> 
> Drake Chamberlin
> Athens Electric LLC
> OH License 44810
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> http://athens-electric.com/ 
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