From: All Solar Inc. Jeremy Rodriguez <allso...@scswifi.net>
Subject: Re: [RE-wrenches] 3 Phase Grid Tie with Battery Backup
To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org>
Date: Tuesday, February 16, 2010, 9:27 AM
#yiv965209721 DIV {
MARGIN:0px;}
Yes,
No Transformers,
Single inverter.
Another question, looking
at the Fronius 10.1 and
11.4-3, no battery backup of course, they both list
208v in the sizing
tool. I need to look at a manual, but I'm not sure
if I would need
Delta, Wye, ..........
Thanks
everyone!
----- Original Message
-----
From:
Rebekah
Hren
To: al...@positiveenergysolar.com
; RE-wrenches
Sent: Monday,
February 15, 2010 5:34
PM
Subject: Re:
[RE-wrenches] 3 Phase Grid
Tie with Battery Backup
Hi,
Does the utility mean by "match" that they
don't want the inverter output
transformed in any way?
Could you not just use one 120V inverter? I've
connected single 120 volt
inverters (albeit not outback but I don't see why
not) to a 120/208 wye
without problems. You have to make sure the wires are
sized correctly (solar
pro had a recent article on unbalanced 3 phase wire
sizing). This of course
limits your backed up loads to 120V (w/out a
transformer).
Rebekah Hren
North Carolina
From: Allan
Sindelar
<al...@positiveenergysolar.com>
To: RE-wrenches
<re-wrenches@lists.re-wrenches.org>
Sent: Mon, February
15, 2010 6:51:12
PM
Subject: Re:
[RE-wrenches]
3 Phase Grid Tie with Battery Backup
Yes you would. I don't
believe there is a single inverter that meets the
utility's wishes.
Allan Sindelar
al...@positiveenergysolar.com
NABCEP Certified
Photovoltaic Installer
EE98J Journeyman Electrician
Positive Energy,
Inc.
3201 Calle Marie
Santa Fe, New Mexico 87507
505
424-1112
www.positiveenergysolar.com
All
Solar Inc. Jeremy Rodriguez wrote:
Thanks Darryl,
Allen, would you have to use 3
Sunny Islands? one for each phase?
The Utility wants a single
inverter.
Jeremy
----- Original Message ----- From: "Darryl
Thayer" <daryl_so...@yahoo.com>
To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org>
Sent: Monday, February 15, 2010 3:49 PM
Subject: Re: [RE-wrenches] 3
Phase Grid Tie with Battery Backup
I do not know what is going
on at Outback, but unless they reduced the product
offering, they have the
capability. I have such a system.
Use 3 of their 120 volt
single phase inverters connected 3-phase WYE (120/208)
3 phase. Each
inverter is only a single phase, and you connect each
inverter to the
neutral and one phase, you program one to be the
Master, and the others to
be slaves on phase B and Phase C. When you lose
the grid, the Master
inverter starts its sine wave and it generates the
usual 60 Hz square wave
on the Outback Bus and the following slave units delays
the start of their
sin waves by the appropriate 120 degrees to generate 3
phases. Each
inverter picks up and makes 60 hz 3 phase.
One thing, besure to get
a rotation meter and check that you are generating
3-phase the same rotation
as the grid. Else you will have big problems. (motors
will reverse and you
may fry the OB transfer relay)
Next time you call outback ask a tech
if you can slave the GVFX to make 3 phase,
--- On Mon, 2/15/10, All
Solar Inc. Jeremy Rodriguez <allso...@scswifi.net>
wrote:
From: All Solar Inc. Jeremy
Rodriguez <allso...@scswifi.net>
Subject: Re: [RE-wrenches] 3 Phase Grid Tie with Battery
Backup
To: starpowe...@juno.com,
"RE-wrenches" <re-wrenches@lists.re-wrenches.org>
Date: Monday, February 15, 2010, 4:14 PM
Jeff,
That was my
first choice, but I was told by Outback
that they do not offer
a
120/208 inverter(s). I have not set up a three
phase system yet, so
bare
with me please. I was going to contact SMA next.
Jeremy
----- Original Message ----- From: "Jeff Oldham"
<starpowe...@juno.com>
To: <al...@positiveenergysolar.com>;
<re-wrenches@lists.re-wrenches.org>
Sent: Monday, February 15, 2010 3:03 PM
Subject: Re: [RE-wrenches]
3 Phase Grid Tie with Battery
Backup
> You can also do
it w/Outback up to 10.8kW
>
>>From the Solar, Wind and
Hydro powered office of
Jeff Oldham/Regenerative
>>SOLutions
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