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Also, very significantly, the SMA Sunny Boy / Sunny Island combos will
taper charge when set up correctly. <br><br>
Drake <br><br>
At 09:53 AM 6/17/2017, you wrote:<br>
<blockquote type=cite class=cite cite=""> <br>
<font size=2>August<br>
</font> <br>
<font size=2> Have used both SMA and OutBack inverters
for this application. One challenge with the smaller generators is
getting a true 60 hertz, they fluctuate. The Sunny Boy can be programmed
to operate at a lower hertz range if SMA will share the "secret code
". Recently did a Outback system and the customer had a Propane
fired Briggs and Stratton gen set, two wire start, works great. I
understand why you want to use the matching SMA's.<br>
</font> <br>
<font size=2>Have fun<br>
peter</font> <br>
<dl>
<dd>----- Original Message ----- <br>
<dd>From:</b> <a href="mailto:august@luminalt.com">August Goers</a> <br>
<dd>To:</b>
<a href="mailto:re-wrenches@lists.re-wrenches.org">RE-wrenches</a> <br>
<dd>Sent:</b> Thursday, June 15, 2017 12:02 PM<br>
<dd>Subject:</b> [RE-wrenches] Generator choice for Sunny Island<br><br>
<dd>Hi Wrenches, especially those of you who work on off-grid
projects,<br><br>
<dd> <br><br>
<dd>We have an upcoming off-grid project where we will be powering a
storage container with electronics in it. The loads are mostly 120 volt
but there is a 240 volt heat pump that might occasionally run. We’re AC
coupling the Sunny Island with a Sunny Boy PV inverter. So, we’ll be
installing a Outback PSX-240 autoformer to bump the Sunny Island’s
output from 120 to 240 volt. <br><br>
<dd> <br><br>
<dd>We need to select a generator for backup. We need a two-wire electric
start (in order to be controlled by the Sunny Island) and preferably a
generator that is okay just running 120 volt loads since the Sunny
Islands input is only 120 volt. Something in the 3 kVA -7 kVA range
should be fine. <br><br>
<dd> <br><br>
<dd>Does anyone have experience or ideas about what kind of two-wire
start generator we might select?<br><br>
<dd> <br><br>
<dd>Thanks,<br><br>
<dd> <br><br>
<dd>August<br><br>
<dd>Luminalt<br><br>
<dd> <br><br>
<dd> <br><br>
<hr>
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