[RE-wrenches] SW Parallel stacking cable

[boB Gudgel]

Brian Teitelbaum wrote:
>
> William,
>
>  
>
> The SW Parallel Stacking Interface (SWI/PAR) was much more than just a 
> cable (like the Series Stacking Cable -SWI). it was a separate box, 
> like the Grid Tie Interface (GTI) unit was. It retailed for about $345.00
>
>  
>
> Good luck finding one.
>
>  
>
> Brian Teitelbaum
>
> AEE Solar
>


For parallel, I believe a current balancing transformer was involved 
besides the synchronization cable.
That's why it was more involved than just a cable.  Since there can be a 
few volts difference between
the 2 stacked SWs.

boB





>  
>
>  
>
>  
>
> *From:* re-wrenches-bounces at lists.re-wrenches.org 
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of 
> *William Miller
> *Sent:* Wednesday, November 04, 2009 9:59 AM
> *To:* RE-wrenches
> *Subject:* [RE-wrenches] SW Parallel stacking cable
>
>  
>
> Friends:
>
> I received an inquiry from a solar contractor looking for a PARALLEL 
> stacking cable for SW inverters.  I have never laid eyes on such a 
> cable.  Did they exist?  Does anyone have one or a diagram?
>
> Many thanks,
>
> William Miller
>
>
> _Please note new e-mail address and domain:
>
> _William Miller
> Miller Solar
> Voice :805-438-5600     Fax: 805-438-4607       
> email: william at millersolar.com
> http://millersolar.com
> <http://millersolar.com/>License No. C-10-773985
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