[RE-wrenches] SolaEdge Outback AC Coupling

[Kirpal Khalsa]

Hey Bill...my understanding of the Outback AC coupled solution is that it
does not offer multi stage charging from the grid tied inverter as it does
not have any way to regulate the amount of power coming in  from that
inverter...based on the state of charge of the batteries and at pre set
voltage set points it can operate the remote breaker but it does not have
the ability to taper the amount of in coming power from the grid tied
inverter..   This is why the frequency shift AC coupling such as found with
SMA and others is a nice solution as the amount of incoming power from the
grid tied inverters is regulated allowing for healthy multi stage
charging.
Another thing to consider if using the Outback Ac coupled solution is that
your DC coupling options becomes limited in the same load center....
Cheers
Kirpal
On Jun 30, 2015 9:01 AM, "Bill Hoffer" <sunengser at gmail.com> wrote:

> Kirpal
>
> Actually the Radian system does adjust the battery voltage point that it
> disconnects the grid inverter based on the stage of the charge timers using
> the 3 stage inverter charger set points.  The FNDC will also over ride the
> timers if all fully charged parameters are met.  It has the advantage of
> being able to safely use a back up generator in the system and will
> physically disconnect from grid and the AC coupled inverter before
> connecting the generator.  So there are some advantages over a SMA AC
> coupled system too!
>
> Even though there is no official application notes on AC coupling a Radian
> and Solaredge, I have seen it done with good results.  The nice thing about
> an AC coupled Radian is it should work with any grid tie inverter system
> out there.
>
> Bill
>
> On Tue, Jun 30, 2015 at 6:45 AM, Kirpal Khalsa <solarworks at gmail.com>
> wrote:
>
>> Tom....I haven't AC coupled Solaredge and Outback, but I have AC Coupled
>> Outback with various other inverter manufacturers and their Radian AC
>> Coupled Load center will work with any AC source....It doesn't directly
>> communicate with any other inverter but its remote operated circuit
>> breakers allow it to disconnect AC Power from any other inverter when
>> batteries reach a preset voltage....It is not as elegant as a sunny
>> island/sunnyboy system because it doesn't provide multistage charging buy
>> it is easy to implement and install.....You should be able to find all the
>> information on the Outback Radian site.  You would need the GSLC-AC-120/240
>> load center and it comes pre wired with the remote operated circuit breaker
>> which makes it a breeze to install....
>>
>>
>> Sunny Regards,
>> Kirpal Khalsa
>> NABCEP Certified PV Installation Professional
>> Oregon Solarworks LLC
>> www.oregonsolarworks.com
>> 541-218-0201 m
>> 541-299-0402 o
>>
>> On Tue, Jun 30, 2015 at 3:40 AM, Tom Lane <tom at ecs-solar.com> wrote:
>>
>>> Has anyone AC Coupled an Outback System with SolarEdge ? I would like to
>>> see a wiring diagram and know what components from Outback you used with
>>> SolarEdge . I have been told variously that SolarEdge does not approve AC
>>> Coupling and that they have approve it , depending on who I get on the
>>> phone . SolarEdge and Outback have no official diagrams or components list
>>> that I can find . I would like some help here as we are in Hurricane season
>>> in Gator Land !
>>>
>>> Sent from my iPad
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>
> --
> William Hoffer
> 161 SE Fourth Ave
> P.O. Box 1823
> White Salmon, WA 98672-1823
> sunengser at gmail.com <bhoffer at sunergyengineeringservices.com>
>
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