[RE-wrenches] Sol-Ark AC Coupling Issues

[Vince McClellan]

As per Jay's request attached is the as built schematic for this project.

Vince McClellan
Energy Design
NABCEP PV Installation Professional
p. (541) 485-8122  f. (541) 338-8202

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On Wed, Jan 19, 2022 at 4:20 PM jay <jay.peltz at gmail.com> wrote:

> Hi Vince,
>
> Can you provide a line drawing or something for how you have this
> connected?
>
> And I”m presuming that you need/want the extra AC watts vs  say putting
> battery chargers from the radian to the blue ion to transfer energy from
> one system to the other?
>
> Jay
>
> Peltz Power
>
>
>
> On Jan 19, 2022, at 4:15 PM, Vince McClellan <vince at solarenergydesign.com>
> wrote:
>
> Is anyone on the list familiar with AC coupling Sol-Ark inverters?
>
> We haven't been able to AC couple an existing Outback Radian system to a
> new system that we built with 3, Sol-Ark 12K inverters and 3, Blue Ion
> batteries. Each time we have tested the system the Sol-Ark inverters accept
> the power from the Radian inverter until we turn on the DC power from the
> new solar array to the Sol-Ark inverters. As soon as there is
> significant DC power coming from the solar array the Sol-Ark inverters
> freq-watt turns on for a brief second and disconnects the Radian inverter
> even when the Blue Ion batteries are below the programmed state of charge
> threshold. If we don't turn on the DC power from the new solar array the
> Radian will connect and stay connected.
>
> We have been working with Sol-Ark for several months now to get this
> system to accept the incoming power from the Radian without freq-watt
> kicking in on the Sol-Ark inverters and disconnecting the Radian inverter.
> Sol-Ark has sent two software revisions to the Sol-Ark inverters and we are
> still experiencing the same problem.
>
> Can anyone think of what we might be missing and where to direct our
> troubleshooting efforts next?
>
> Thanks,
>
> Vince McClellan
> Energy Design
> NABCEP PV Installation Professional
> p. (541) 485-8122  f. (541) 338-8202
>
> If you have received this email and are not the intended recipient please
> delete this email. Copying, or using any part, content, or attachment of
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