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<div class=Section1>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>We haven’t designed/installed
a 30 kW-dc class system for some time now (last time we used a Xantrex PV 30) and
are currently investigating what is available in terms of single inverters with
240V 3Ph output. Our customer has enough roof space to for 58 kWp of modules,
but we have to split the AC output into two separate services. So the first
thing I’ve noticed is that there are not many inverters in the 30 kW
range: Satcon PowerGate 30, Xantrex GT30 and by comparison a Sunny Tower with
6ea 6 kW SB inverters.</span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'> </span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>We will be feeding 240 3P so the
GT30 and ST will need transformers.</span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'> </span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>So, I’m inclined to look more
carefully into the PowerGate 30, first.</span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'> </span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>I am looking for some feedback from
folks who have recently installed 30 kW inverters. If this is contained in an
archived thread, please direct me appropriately.</span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'> </span></font></p>
<div>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>- Peter</span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'> </span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:windowtext'>Peter T. Parrish, Ph.D., President<br>
California Solar Engineering, Inc.<br>
820 Cynthia Ave., Los Angeles, CA 90065<br>
CA Lic. 854779, NABCEP Cert. 031806-26<br>
</span></font><font size=2 color=black face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:windowtext'><a
href="mailto:peter.parrish@calsolareng.com"><font color=black><span
style='color:windowtext'>peter.parrish@calsolareng.com</span></font></a> <br>
Ph 323-258-8883, Mobile 323-839-6108, Fax
323-258-8885
</span></font></p>
<p><font size=2 color=black face=Arial><span style='font-size:10.0pt;
color:windowtext'> </span></font></p>
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