<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Seems like a very unnecessary complication, The grid is the dump load.<br><br><div>Michael D Nelson</div><div>MD Electric & Solar, Inc.</div><div>707-684-0064 mobile</div><div>707-884-1862 office</div><div><a href="http://www.mdelectricsolar.com">www.mdelectricsolar.com</a></div>Sent from my iPhone</div><div><br>On Sep 7, 2016, at 12:54 PM, Daniel Young <<a href="mailto:dyoung@dovetailsolar.com">dyoung@dovetailsolar.com</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">SolarEdge inverters have an export control function if you install an external meter to them. They can be programmed to prevent any net energy export, or to limit that export to a specific amount (if you had a large system with a relatively smaller utility transformer for example).<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Here is a link to their system: <a href="http://www.solaredge.com/sites/default/files/export_limitation_application_note_NA.pdf">http://www.solaredge.com/sites/default/files/export_limitation_application_note_NA.pdf</a> <o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">It would limit export power in real time, not energy over time, so if the dump load is to prevent a net monthly export of kWh… then I have no clue.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">With Regards,<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Daniel Young, <o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">NABCEP Certified PV Installation Professional<sup>TM</sup>: Cert #031508-90<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p><p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> RE-wrenches [<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Kristopher Schmid<br><b>Sent:</b> Wednesday, September 07, 2016 2:31 PM<br><b>To:</b> RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>><br><b>Subject:</b> [RE-wrenches] Grid tie with dump load?<o:p></o:p></span></p><p class="MsoNormal"><o:p> </o:p></p><div><div><div><p class="MsoNormal" style="margin-bottom:12.0pt">REWs,<br><br>I have a client that asked me if i can install a battery free grid tied system and have a dump load activate when it is overproducing. I am at a loss, here. Anyone have ideas? A CT on the line side that would activate a relay while current is flowing to the utility?<o:p></o:p></p></div><p class="MsoNormal">Thanks,<o:p></o:p></p></div><p class="MsoNormal">Kris<br clear="all"><o:p></o:p></p><div><div><div><div><p class="MsoNormal"><br>-- <o:p></o:p></p><div><div><div><div><p class="MsoNormal">Shine On!<br><br>Kris Schmid<br>Legacy Solar, LLC<br>864 Clam Falls Trail<br>Frederic, WI 54837<br><a href="http://www.legacysolar.com" target="_blank">www.legacysolar.com</a><br>715-653-4295<br>NABCEP Certified PV Installer<br>Licensed Wisconsin Master Electrician<br>BSEE<o:p></o:p></p></div></div></div></div></div></div></div></div></div></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>List sponsored by Redwood Alliance</span><br><span></span><br><span>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a></span><br><span></span><br><span>Change listserver email address & settings:</span><br><span><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a></span><br><span></span><br><span>List-Archive: <a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a></span><br><span></span><br><span>List rules & etiquette:</span><br><span><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a></span><br><span></span><br><span>Check out or update participant bios:</span><br><span><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a></span><br><span></span><br></div></blockquote></body></html>