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No Problem ! If one of our SPDs break from a nuclear EMP, just send
it back and we'll replace it !<br>
<br>
Did you realize that if you rearrange the first two letters of the
word "nuclear", you get unclear ?<br>
<br>
boB<br>
<br>
<br>
<div class="moz-cite-prefix">On 2/8/2022 9:35 AM,
<a class="moz-txt-link-abbreviated" href="mailto:toddcory@finestplanet.com">toddcory@finestplanet.com</a> wrote:<br>
</div>
<blockquote type="cite"
cite="mid:1644338114.198923964@webmail.finestplanet.com">
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<font size="3" face="georgia">
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12pt; overflow-wrap: break-word;"> </p>
<style></style>
<div id="SafeStyles1644338085">
<div>
<div>What about Midnight SPDs?<br>
<br>
Todd</div>
<div id="aqm-original" style="color: black;">
<div class="aqm-original-body" style="word-wrap:
break-word;" lang="en-us">
<div style="color: black;">
<p style="margin:0;padding:0;color: black; font-size:
10pt; font-family: sans-serif; margin: 8pt 0;">On
February 7, 2022 7:37:04 PM "Glenn Burt"
<a class="moz-txt-link-rfc2396E" href="mailto:glenn.burt@glbcc.com"><glenn.burt@glbcc.com></a> wrote:</p>
<blockquote class="gmail_quote" style="margin: 0 0 0
0.75ex; border-left: 1px solid #808080;
padding-left: 0.75ex;">
<div class="WordSection1">
<p class="MsoNormal"
style="margin:0;padding:0;font-family: georgia;
font-size: 12pt; overflow-wrap: break-word;">I
am not seeing how ferrites can stop EMP. The
frequencies involved will affect diode junction
level electronics.</p>
<p class="MsoNormal"
style="margin:0;padding:0;font-family: georgia;
font-size: 12pt; overflow-wrap: break-word;">Ferrites
may lessen the induced surge picked up by the
conductors between the array and the
inverter/charge controller, but unless the
electronics are hardened too, I don\u2019t believe
it.</p>
<p class="MsoNormal"
style="margin:0;padding:0;font-family: georgia;
font-size: 12pt; overflow-wrap: break-word;"> </p>
<p class="MsoNormal"
style="margin:0;padding:0;font-family: georgia;
font-size: 12pt; overflow-wrap: break-word;">Glenn</p>
<p class="MsoNormal"
style="margin:0;padding:0;font-family: georgia;
font-size: 12pt; overflow-wrap: break-word;"> </p>
<div>
<div style="border: none; border-top: solid
#E1E1E1 1.0pt; padding: 3.0pt 0in 0in 0in;">
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"><strong>From:</strong>
RE-wrenches
<a class="moz-txt-link-rfc2396E" href="mailto:re-wrenches-bounces@lists.re-wrenches.org"><re-wrenches-bounces@lists.re-wrenches.org></a>
<strong>On Behalf Of </strong>Maverick
Brown<br>
<strong>Sent:</strong> Monday, February 07,
2022 12:52 PM<br>
<strong>To:</strong> RE-wrenches
<a class="moz-txt-link-rfc2396E" href="mailto:re-wrenches@lists.re-wrenches.org"><re-wrenches@lists.re-wrenches.org></a><br>
<strong>Subject:</strong> Re: [RE-wrenches]
Ferrites for EMP/solar flare protection?</p>
</div>
</div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family: georgia;
font-size: 12pt; overflow-wrap: break-word;"> </p>
<p class="MsoNormal"
style="margin:0;padding:0;font-family: georgia;
font-size: 12pt; overflow-wrap: break-word;">Hans,</p>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;">Here is a split ferrite kit
(various sizes) from <a
href="http://Mouser.com"
moz-do-not-send="true">Mouser.com</a>:</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"><a
href="https://www.mouser.com/ProductDetail/Laird-Performance-Materials/K-404-EMI-A-LG?qs=GedFDFLaBXEg9IWU3Su8DQ=="
moz-do-not-send="true">https://www.mouser.com/ProductDetail/Laird-Performance-Materials/K-404-EMI-A-LG?qs=GedFDFLaBXEg9IWU3Su8DQ%3D%3D</a></p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;">Sol-Ark makes an EMP hardened
inverter and that kit comes with ferrite cores
for each solar panel. Both normal and EMP
version come with ferrite cores for the
battery cables, Schnieder 600V solar charge
controllers comes with cores and older
inverters also came with cores. so, it seems
cores are good even for regular systems, such
as to combat back EMF from larger motor loads
/ inductive loads.</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;">So, the bottom line is that is
helpful to block line surges by using ferrite
cores to suppress voltage spikes & surges.
And like lightning, you can do the best that
you can do and too many parameters can
guarantee anything.</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;">I going to investigate further
and make kits for my own customers.</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;">Good luck!</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;">Maverick</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
<div>
<div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"><span style="font-size:
9.0pt; font-family:
'Helvetica',sans-serif; color: black;">Maverick
Brown<br>
Off-Grid Solar Commander since 2006<br>
<strong>Maverick Solar Enterprises,
Inc.</strong></span></p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"><strong><span
style="font-size: 9.0pt;
font-family: 'Helvetica',sans-serif;
color: black;"> \u2022 Solar Commander
Remote Power</span></strong></p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"><strong><span
style="font-size: 9.0pt;
font-family: 'Helvetica',sans-serif;
color: black;"> \u2022 SunFlow Systems
Cathodic Protection <br>
</span></strong><span
style="font-size: 9.0pt; font-family:
'Helvetica',sans-serif; color: black;"><a
href="mailto:maverick@mavericksolar.com" moz-do-not-send="true"
class="moz-txt-link-freetext">maverick@mavericksolar.com</a><br>
512-460-9825</span></p>
</div>
</div>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"><br>
<br>
</p>
<blockquote style="margin-top: 5.0pt;
margin-bottom: 5.0pt;">
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;">On Feb 7, 2022, at 11:24
AM, Hans Frederickson <<a
href="mailto:Hans@fredelectric.com"
moz-do-not-send="true"
class="moz-txt-link-freetext">Hans@fredelectric.com</a>>
wrote:</p>
</div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt; overflow-wrap:
break-word;"> </p>
<div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt;
overflow-wrap: break-word;">Wrenches,</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt;
overflow-wrap: break-word;">One of our
grid-tied solar + storage customers
with a SolarEdge StorEdge / LG Chem
RESU10H system found some information
online about protecting solar systems
from an EMP:</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt;
overflow-wrap: break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt;
overflow-wrap: break-word;"><a
href="https://disasterpreparer.com/product/solar-ferrite-bundle/"
moz-do-not-send="true"><span
style="color: #0563c1;">Solar
Power Ferrite Bundle \u2013 Practical
Disaster Preparedness for the
Family (disasterpreparer.com)</span></a></p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt;
overflow-wrap: break-word;"> </p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt;
overflow-wrap: break-word;">Our
customer is asking for our
recommendation on this. We have used
Ferrites for filtering out inverter
noise but I\u2019m not familiar with the
idea of using them for protection from
EMPs. Does anyone on this group
specify or recommend these sorts of
products for that purpose? Is there
any historical evidence of EMPs being
a threat to solar systems?</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt;
overflow-wrap: break-word;">Thanks,</p>
</div>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt;
overflow-wrap: break-word;">-Hans</p>
</div>
<p class="MsoNormal"
style="margin:0;padding:0;margin-bottom:
9.75pt;"><strong><span style="font-size:
10.0pt; font-family:
'Arial',sans-serif; color: #444444;">Hans
Frederickson,</span></strong><span
class="apple-converted-space"><span
style="font-size: 10.0pt;
font-family: 'Arial',sans-serif;
color: #555555;"> </span></span><span
style="font-size: 10.0pt; font-family:
'Arial',sans-serif; color: #555555;">President</span></p>
<div>
<p class="MsoNormal"
style="margin:0;padding:0;font-family:
georgia; font-size: 12pt;
overflow-wrap: break-word;"><span
style="font-size: 9.0pt;
font-family: 'Arial',sans-serif;
color: #555555;"><image001.png></span></p>
</div>
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9.75pt;"><a
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target="_blank" moz-do-not-send="true"><strong><span
style="font-size: 9.0pt;
font-family: 'Arial',sans-serif;
color: #2d8bcc;">www.cascadiasolar.com
»</span></strong></a></p>
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