[RE-wrenches] parallel stacking SW

[Eric.Bentsen at schneider-electric.com]

Hi Mac,
You cannot have 4 SW units feeding a common AC bus.
You can only stack 2 SW units, either series (SWI cable required) or 
parallel (SWI/PAR required).
 It is OK to have multiple systems on a common battery bank. 



Rgds,
_____________________________________________________________________________________ 


Eric Bentsen  |   Schneider Electric   |  Solar Business  |   UNITED 
STATES  |   Technical Support Representative 
Phone: +(650) 351-8237 ext. 001#  |   
Email: eric.bentsen at schneider-electric.com  |   Site: 
www.schneider-electric.com/solar  |   Address: 250 South Vasco Rd., 
Livermore, CA 94551 


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From:
Mac Lewis <maclewis1 at gmail.com>
To:
RE-wrenches <re-wrenches at lists.re-wrenches.org>
Date:
10/02/2013 08:01 AM
Subject:
[RE-wrenches] parallel stacking SW
Sent by:
re-wrenches-bounces at lists.re-wrenches.org



Hi wrenches,

I have some folks that I'm meeting in a couple of days that have 4 Trace 
SW 5048 inverters.  It's a very large, older compound-style installation 
that the original installer has bailed on.  They have it set up so that 
there is a common battery bank and each pair of series stacked inverters 
are independently feeding 2 separate 120/240 busses.  One of these 120/240 
services gets utilized very heavily, and one isn't really used at all.  Is 
it possible with this type of inverter, to have all four inverters feeding 
a common AC bus, two feed Phase A and the other two feeding phase B?

I know that is possible to series stack and to parallel stack this 
inverter, but can you do both at the same time?

If so, does anyone have a pin out to a parallel stacking cable?

Thanks in advance

-- 



Mac Lewis

"Yo solo sé que no sé nada." -Sócrates

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