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<p>We've done some off grid EV charging, and one thing that makes
life much easier, is to go to the lower power chargers. So far,
we've just done PV to battery inverter to AC charger to car. less
efficient, but less trouble. We've also setup dedicated charging
outlets/ circuits on relays to prioritize the house battery. <br>
</p>
<pre class="moz-signature" cols="72">Ray Walters
Remote Solar
303 505-8760</pre>
<div class="moz-cite-prefix">On 4/13/21 4:29 PM,
<a class="moz-txt-link-abbreviated" href="mailto:larry@starlightsolar.com">larry@starlightsolar.com</a> wrote:<br>
</div>
<blockquote type="cite"
cite="mid:DDA0542C-E85B-4071-A173-EBBE0A6FDEA9@starlightsolar.com">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
Mac,
<div class=""><br class="">
</div>
<div class="">You can charge with DC directly from a PV solar
array without an inverter or regulator. The current is self
limiting by the amount of PV solar power you are making at any
moment.</div>
<div class=""><br class="">
</div>
<div class="">The magic is knowing know how to trigger the charge
port communications so your EV controller knows that there is a
safe connection to a DC power source. Perhaps the will get you
started: </div>
<div class=""><a
href="https://www.evcreate.nl/chademo-fast-charging-in-diy/"
class="" moz-do-not-send="true">https://www.evcreate.nl/chademo-fast-charging-in-diy/</a></div>
<div class="">
<div class=""><br class="webkit-block-placeholder">
</div>
<div class="">
<div style="color: rgb(0, 0, 0); font-family: Helvetica;
font-size: 14px; font-style: normal; font-variant: normal;
font-weight: normal; letter-spacing: normal; line-height:
normal; orphans: auto; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: auto;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
word-wrap: break-word; -webkit-nbsp-mode: space;
-webkit-line-break: after-white-space;" class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal;
orphans: auto; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: auto;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
word-wrap: break-word; -webkit-nbsp-mode: space;
-webkit-line-break: after-white-space;" class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal;
orphans: auto; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: auto;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
word-wrap: break-word; -webkit-nbsp-mode: space;
-webkit-line-break: after-white-space;" class="">
<div class="">Be safe when working with 500Vdc.</div>
<div class=""><br style="orphans: 2; widows: 2;"
class="">
<span style="orphans: 2; widows: 2;" class="">Larry
Crutcher</span><br style="orphans: 2; widows: 2;"
class="">
<span style="orphans: 2; widows: 2;" class="">Starlight
Solar Power Systems</span><br style="orphans: 2;
widows: 2;" class="">
</div>
</div>
</div>
<br class="Apple-interchange-newline">
</div>
<br class="Apple-interchange-newline" style="color: rgb(0, 0,
0); font-family: Helvetica; font-size: 14px; font-style:
normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: normal; orphans: auto;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: auto; word-spacing: 0px;
-webkit-text-stroke-width: 0px;">
<br class="Apple-interchange-newline">
</div>
<div><br class="">
<div class="">On Apr 12, 2021, at 5:05 PM, Matt Sherald <<a
href="mailto:matt@getpimby.com" class=""
moz-do-not-send="true">matt@getpimby.com</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<div dir="ltr" class="">
<div class="">Mac,</div>
<div class=""><br class="">
</div>
<div class="">Our car gobbles 11,500W when it's plugged in
to the grid. Even if we reduced the charge rate it
would still be a heck of a draw - the chargers in the
EVs are greedy. I'll be curious to hear if anyone has a
solution, but my bet is that you need to give the EV a
deep well to pull from (probably deeper than a battery
bank or PV array can directly and consistently satisfy).</div>
<div class=""><br class="">
</div>
<div class="">-Matt<br class="">
</div>
</div>
<br class="">
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Apr 12, 2021 at
7:55 PM Mac Lewis <<a
href="mailto:maclewis1@gmail.com" class=""
moz-do-not-send="true">maclewis1@gmail.com</a>>
wrote:<br class="">
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div dir="ltr" class="">Sorry, I should have clarified,
I am interested in EV charging with no grid
available. I think that Solaredge requires a grid</div>
<br class="">
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Apr 12, 2021
at 5:51 PM Dana Orzel <<a
href="mailto:dana@solarwork.com" target="_blank"
class="" moz-do-not-send="true">dana@solarwork.com</a>>
wrote:<br class="">
</div>
<blockquote class="gmail_quote" style="margin:0px 0px
0px 0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div class="" lang="EN-US">
<div class="">
<p class="MsoNormal"><span
style="font-size:14pt;font-family:"Century
Gothic",sans-serif" class="">SolarEdge</span></p>
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style="font-size:14pt;font-family:"Century
Gothic",sans-serif" class=""> </span></p>
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solid;border-width:medium medium
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none;padding:0in"><span
style="font-size:14pt;font-family:"Century
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</div>
<p class="MsoNormal"><span
style="font-family:"Century
Gothic",sans-serif;color:rgb(0,32,96)"
class=""> </span></p>
<p class="MsoNormal"><span
style="font-size:14pt;font-family:"Century
Gothic",sans-serif" class="">Dana
Orzel Great
Solar Works, Inc. </span></p>
<p class="MsoNormal"><b class=""><span
style="font-size:14pt;font-family:"Century
Gothic",sans-serif" class="">C -
208.721.7003 <a
href="mailto:dana@solarwork.com"
target="_blank" class=""
moz-do-not-send="true">dana@solarwork.com</a></span></b></p>
<p class="MsoNormal"><span
style="font-size:14pt;font-family:"Century
Gothic",sans-serif" class="">Idaho
Contractor - # 028765 Idaho PV #
028374</span></p>
<p class="MsoNormal"><span
style="font-size:14pt;font-family:"Century
Gothic",sans-serif" class="">NABCEP #
051112-136 <a
href="http://www.greatsolarworks.com/"
target="_blank" class=""
moz-do-not-send="true">www.greatsolarworks.com</a></span></p>
<p class="MsoNormal"><u class=""><span
style="font-size:14pt;font-family:"Century
Gothic",sans-serif" class="">"Responsible
Technologies for Responsible People since
1988" </span></u><u class=""><span
style="font-size:14pt;font-family:"Century
Gothic",sans-serif" class=""></span></u></p>
<p class="MsoNormal" style="background:white
none repeat scroll 0% 0%"><b class=""><span
style="font-size:18pt;font-family:Webdings;color:green"
class="">P</span></b><span
style="font-family:Helvetica,sans-serif;color:navy"
class=""> </span><span
style="font-size:10pt;font-family:Arial,sans-serif;color:green"
class="">Please consider the environment
before printing this email.</span><span
style="font-family: Helvetica, sans-serif;"
class=""></span></p>
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<p class="MsoNormal"><span
style="font-size:14pt;font-family:"Century
Gothic",sans-serif" class=""> </span></p>
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currentcolor currentcolor;border-style:solid
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<p class="MsoNormal"><b class="">From:</b>
RE-wrenches <<a
href="mailto:re-wrenches-bounces@lists.re-wrenches.org"
target="_blank" class=""
moz-do-not-send="true">re-wrenches-bounces@lists.re-wrenches.org</a>>
<b class="">On Behalf Of </b>Mac Lewis<br
class="">
<b class="">Sent:</b> Monday, April 12, 2021
5:24 PM<br class="">
<b class="">To:</b> RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org"
target="_blank" class=""
moz-do-not-send="true">re-wrenches@lists.re-wrenches.org</a>><br
class="">
<b class="">Subject:</b> [RE-wrenches] PV
direct EV charging</p>
</div>
<p class="MsoNormal"> </p>
<div class="">
<p class="MsoNormal">Hey wrenches,</p>
<div class="">
<p class="MsoNormal"> </p>
</div>
<div class="">
<p class="MsoNormal">Are there any
purpose built inverters designed to charge
an EV, PV direct without batteries?</p>
</div>
<div class="">
<p class="MsoNormal"> </p>
</div>
<div class="">
<p class="MsoNormal">Thanks in advance</p>
</div>
<div class="">
<p class="MsoNormal"><br class=""
clear="all">
</p>
<div class="">
<p class="MsoNormal"> </p>
</div>
<p class="MsoNormal">-- </p>
<div class="">
<div class="">
<p class="MsoNormal"> </p>
</div>
<div class="">
<p class="MsoNormal"> </p>
</div>
<div class="">
<p class="MsoNormal"> </p>
</div>
<p class="MsoNormal"
style="margin-bottom:12pt">Mac Lewis<b
class=""><span
style="font-size:12pt;font-family:Arial,sans-serif;color:rgb(255,153,0)"
class=""></span></b></p>
<p class=""><span
style="font-size:12pt;font-family:"Times
New
Roman",serif;color:rgb(48,90,120)"
class="">"Yo solo sé que no sé nada." </span><b
class=""><span
style="font-size:12pt;font-family:"Times
New
Roman",serif;color:rgb(104,104,104)"
class="">-Sócrates</span></b><b
class=""><span
style="font-size:12pt;font-family:Arial,sans-serif;color:rgb(255,153,0)"
class=""></span></b></p>
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Mac Lewis<br class="">
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