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</style>Carl<br>
I missed the AC part when I answered you question. I think an off the shelf AC diversion control would be a good idea. I gave used outback and midnite controllers by powering a solidstate relay with the aux output to divert AC.<br>
David Katz<br>
<br>
Sent from my HTC smartphone on the Now Network from Sprint!<br>
<br>
<br>
<div id="htc_header" style="">----- Reply message -----<br>
From: "Carl Emerson" <Carl@solarking.net.nz><br>
To: "'RE-wrenches'" <re-wrenches@lists.re-wrenches.org><br>
Subject: [RE-wrenches] AC (only) Diversion<br>
Date: Sun, Oct 14, 2012 8:14 am<br>
<br>
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<br>
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<div class="Section1">
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue">Hi there,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue">Is there an ‘off the shelf’ low cost product that will divert exported energy to a load?<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue">I have put thought into this and have a simple solution but need to know if it is worth while marketing it.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span lang="EN-NZ" style="font-size:12.0pt;font-family:Arial;color:blue">Carl Emerson<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span lang="EN-NZ" style="font-size:12.0pt;font-family:Arial;color:blue">Free Power Co.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span lang="EN-NZ" style="font-size:12.0pt;font-family:Arial;color:blue">Land line +64 9 473 4286</span></font><font color="blue"><span lang="EN-NZ" style="color:blue"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span lang="EN-NZ" style="font-size:12.0pt;font-family:Arial;color:blue">Mobile +64 22 630 9689</span></font><font color="blue"><span lang="EN-NZ" style="color:blue"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span lang="EN-NZ" style="font-size:12.0pt;font-family:Arial;color:blue">Email emerson@freepower.co.nz<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span lang="EN-NZ" style="font-size:12.0pt;font-family:Arial;color:blue">Web www.freepower.co.nz<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
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<hr size="2" width="100%" align="center" tabindex="-1">
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<p class="MsoNormal"><b><font size="2" face="Tahoma"><span lang="EN-US" style="font-size:10.0pt;font-family:Tahoma;font-weight:bold">From:</span></font></b><font size="2" face="Tahoma"><span lang="EN-US" style="font-size:10.0pt;font-family:Tahoma"> re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org] <b><span style="font-weight:
bold">On Behalf Of
</span></b>Chris Mason<br>
<b><span style="font-weight:bold">Sent:</span></b> 13 October 2012 2:17 p.m.<br>
<b><span style="font-weight:bold">To:</span></b> RE-wrenches<br>
<b><span style="font-weight:bold">Subject:</span></b> Re: [RE-wrenches] AC (only) Diversion</span></font><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt">It is called a reverse current relay, use it to to run on a water heating contactor when there is current to the grid.<o:p></o:p></span></font></p>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="3" face="Times New Roman"><span style="font-size:12.0pt">This is a problem I have struggled with for ages. We do not get credit for export so I have been looking for a good use for free electricity,
have not found one yet.<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt">On Fri, Oct 12, 2012 at 3:36 PM, Nathan Stumpff <<a href="mailto:Nathan@arcticsun-llc.com" target="_blank">Nathan@arcticsun-llc.com</a>> wrote:<o:p></o:p></span></font></p>
<div link="blue" vlink="purple">
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">Wrenches,<o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt"> <o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">We are working on the design for a system where we will be using grid-tied wind and solar but will
not be able to net-meter the project (we can interconnect but the meter only runs one way.) Anything we use on site is worth 100%, any production that goes back to the grid is lost forever to the customer. What we would like to do is monitor all solar and
wind production, monitor all usage, and then be able to dump every watt-hour of over production as heat, there is plenty of (thermal) storage capacity.<o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt"> <o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">If this were a battery based system I know how I would approach this and what equipment I would
spec, but so far I am having a hard time coming up with a solution. Anyone have any suggestions for products or strategies in this case? Something like an eGauge with programmable PWM relay outputs?<o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt"> <o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">Any thoughts or suggestions are most appreciated,<o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">-Nathan<o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt"> <o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt"> <o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">--<o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">Nathan J. Stumpff - Arctic Sun, LLC<o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">NABCEP Certified PV Installer #091209-175<o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">NABCEP Certified Solar Heating Installer #032412-14<o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt"><a href="mailto:nathan@arcticsun-llc.com" target="_blank">nathan@arcticsun-llc.com</a><o:p></o:p></span></font></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt">Office:
<a href="tel:907%2F457-1297" target="_blank" value="+19074571297">907/457-1297</a><o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
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