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From: Phil Undercuffler solarp...@gmail.com
To: RE-wrenches re-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] off grid PV connected to generator
Date: Tue, Jan 15, 2013 8:07 pm
Eric,
Good questions, and you hit on a number of topics so let me see if I can
address them one at a time
Message -
From: David Katz
To: RE-wrenches
Sent: Wednesday, January 16, 2013 8:12 AM
Subject: Re: [RE-wrenches] off grid PV connected to generator
Phil,
If Eric is using the FX ot GTFX in an AC coupled mode, he would need to
disconnect the grid tie inverter when the generator
- Original Message -
From: SunHarvest
To: RE-wrenches
Sent: Wednesday, January 16, 2013 8:47 AM
Subject: Re: [RE-wrenches] off grid PV connected to generator
For claification, the two installs with which I'm concerned are:
1) Grid or 8.5kW Genset --- Manual transfer switch
of the inverter?
Eric
SunHarvest
- Original Message -
From: SunHarvest
To: RE-wrenches
Sent: Wednesday, January 16, 2013 8:47 AM
Subject: Re: [RE-wrenches] off grid PV connected to generator
For claification, the two installs with which I'm concerned are:
1) Grid or 8.5kW Genset
At 12:53 PM 1/16/2013, you wrote:
Finally got through to Outback. They said the GVFX could be wired
with a genny line-side of the inverter in order for the genny to
charge the batteries and that this configuration could potentially
cause problems for the genny. The likelihood of the PV sending
of the inverter?
Eric
SunHarvest
- Original Message -
From: SunHarvest
To: RE-wrenches
Sent: Wednesday, January 16, 2013 8:47 AM
Subject: Re: [RE-wrenches] off grid PV connected to generator
For claification, the two installs with which I'm
-boun...@lists.re-wrenches.org] On Behalf Of SunHarvest
Sent: Wednesday, January 16, 2013 9:54 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] off grid PV connected to generator
Finally got through to Outback. They said the GVFX could be wired with a genny
line-side of the inverter in order
Hi there,
In a previous thread on this topic Chris Mason reported no problems at all
back-feeding PV derived AC into his gennie.
I quote Chris. Best of all is they work together happily. My Kohler 12RES
and my SMA SB3000 seem to work together perfectly, without any issues.
Although
I'm a bit confused by this thread and am looking for some clarity. To that
end here's an example of a recent installation we completed (under the
direction of a licensed electrician, not me (praise the Lord)):
Grid Genset feed Main Panel (genny on ATS) --- Main panel feeding
subpanel ---
Talk to Outback. It's an easy fix, on-site.
--
Dan Fink,
Executive Director;
Otherpower
Buckville Energy Consulting
Buckville Publications LLC
NABCEP / IREC accredited Continuing Education Providers
970.672.4342 (voicemail)
On Tue, Jan 15, 2013 at 2:50 PM, SunHarvest e...@harvesthesun.com
I did. They were less than helpful. At least the two or three different techs I
talked to. They sounded as green as me.
- Original Message -
From: Dan Fink
To: RE-wrenches
Sent: Tuesday, January 15, 2013 1:54 PM
Subject: Re: [RE-wrenches] off grid PV connected to generator
Hi Dan
Would like to know what they suggested besides changing it to a VFX?
Jay
Peltz power
Sent from my iPad
On Jan 15, 2013, at 1:54 PM, Dan Fink danbo...@gmail.com wrote:
Talk to Outback. It's an easy fix, on-site.
--
Dan Fink,
Executive Director;
Otherpower
Buckville Energy
one of my biggest gripes about the outback fx series is only one ac input...
this was a major step backwards from its trace sw series predecessor.
if someone is going to want battery back up on a grid tied system, they surely
are going to want the ability to back that up with a generator. the
Eric,
Good questions, and you hit on a number of topics so let me see if I can
address them one at a time, not necessarily in chronological order.
Yes, the optimal application for the GTFX / GVFX inverter series is grid
tie with battery backup. If you just want backup to the grid, the
grid PV connected to generator
August –
I’ve seen this scenario and it is not pretty like William suggests.
From what I’ve seen, the problem is not so much the power of the PV
being more than the generator, but moreso if the 1) generator is
synchronous or non-synchronous with the inverted AC
grid PV connected to generator
Best of all is they work together happily. My Kohler 12RES and my SMA SB3000
seem to work together perfectly, without any issues.
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*Sent:* Wednesday, December 12, 2012 8:18 PM
*To:* 'RE-wrenches'
*Subject:* Re: [RE-wrenches] off grid PV connected to generator
August –
I’ve seen this scenario and it is not pretty like William suggests.
From what I’ve seen, the problem is not so much the power of the PV being
more than
Best of all is they work together happily. My Kohler 12RES and my SMA
SB3000 seem to work together perfectly, without any issues.
___
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List Address: RE-wrenches@lists.re-wrenches.org
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Hi Wrenches,
I have a quick theoretical question related to trying to run a standard
grid tied PV system off grid with a generator. A client called me wondering
if he could run his small Honda generator off grid connected to his load
center and then turn on his PV system. What would happen if
August:
The apocalypse. No, seriously, this is a scenario not supported by any
manufacturer I know of. The report we have is it is likely the generator
will be damaged. I recommend against it.
William Miller
At 02:07 PM 12/12/2012, you wrote:
Hi Wrenches,
I have a quick theoretical
I have watched this scenario happen with a the Sunny Island system AC
coupled to Sunny Island. There is a parameter called maximum reverse
generator power that you can program. It defaults at 100W I believe. If
the current feeding into the generator is greater than this parameter, the
Sunny
Hi there,
Does it not depend on the size of the generator?
I know that solar grid tie into a diesel generator derived grid is done on
several pacific Islands.
Carl Emerson
At 02:07 PM 12/12/2012, you wrote:
Hi Wrenches,
I have a quick theoretical question related to trying to
August -
I've seen this scenario and it is not pretty like William suggests.
From what I've seen, the problem is not so much the power of the PV being
more than the generator, but moreso if the 1) generator is synchronous or
non-synchronous with the inverted AC (sine wave) and 2) if the
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