[RE-wrenches] Outback AC coupling Sunpower?

[Ray Walters]

Hi Jay;

I saw their new MagnaSine Hybrid with load support.  The way the load 
support works, sounds like it could work with a GT inverter, look at 
this little tid bit from their home page:
"The new MSH models add a "Load Support" feature, which allowsincoming 
AC to synchronize with the inverter's output and uses additional power 
from the batteries to power loads.

That sounds lie AC coupling; what other AC input source could 
synchronize with the magnum's output? However, no where can I find it 
actually saying it can be AC coupled though. I looked through the 
manuals,etc.   Do you happen to have a link to Magnum's AC coupled info 
that you mentioned? I'm guessing it was with the older MS series AE 
120/240 VAC?

Thanks,

R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760

On 7/30/2013 5:29 PM, Jay Peltz wrote:
> Hi ray
>
> Magnum does have a way to do it
> Theirs is a bit different, but all the data is on their web site
>
> Jay
> Peltz power
>
> Sent from my iPhone
>
> On Jul 30, 2013, at 4:23 PM, Ray Walters <ray at solarray.com> wrote:
>
>> The Outback rep got me some good info, and I'm liking the Radian with the Remote controlled breaker to control the GT inverter when the grid is out.  I've heard of quite a few problems related to the Sunny Island frequency controlled system.
>> My question is can off grid inverters like the Magnum be AC coupled?  I'm trying to get the price down, and still handle the 240 vac input from the GT inverter.
>> I penciled out the Radian and I was topping $10k before installation.   This customer is hoping for a solution under $10k, and closer to $5k if possible.  I think an elegant lower cost solution for Grid tie with battery back up is in order.  A Radian Lite?
>> For backup, it could even be mod sine, as it wouldn't be much worse than generator power or the average UPS setup.
>>
>>
>> R.Ray Walters
>> CTO, Solarray, Inc
>> Nabcep Certified PV Installer,
>> Licensed Master Electrician
>> Solar Design Engineer
>> 303 505-8760
>>
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