[RE-wrenches] PV and EMP
Dave Angelini Offgrid Solar
offgridsolar at sti.net
Fri Mar 10 13:44:09 PST 2023
Good Grounds, SPD's, Luck, and Prayer. Cheers Friday !
Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail offgridsolar at sti.net
text 209 813 0060
On 2023-03-09 12:03 pm, Ray Walters via RE-wrenches wrote:
> I'm not an EMP expert by any means, but I've dealt with quite a few
> lightning damaged systems. Having a good connection to a low impedance
> grounding system (steel cased well, Ufer ground) is crucial. I also
> have had fantastic luck with Midnite's MNSPD line. Delta, not so much.
>
> On 3/9/2023 12:39 PM, Starlight via RE-wrenches wrote:
> Right Dave. The VooDoo of EMI filtering, lightning protection or EMP
> induced voltage reduction attempts are similar and governed by the
> inverse square law. How much energy and how close is it? You must
> properly reduce energy propagation at every point. I have seen very
> expensive protection systems with poor implementation making the entire
> scheme useless. So, is the cost and effort worth the results? Study,
> then study more. It may be more cost effective to have a back part
> rather than spending money on an expensive preventative measure.
> Larry Crutcher
>
> Starlight Solar Power Systems
>
> On Mar 9, 2023, at 11:18 AM, Marco Mangelsdorf via RE-wrenches
> <re-wrenches at lists.re-wrenches.org> wrote:
>
> Hmmm...I wonder how much SolArk is dreaming.
> https://www.sol-ark.com/e-m-p/
>
> On Thu, Mar 9, 2023 at 9:58 AM Dave Angelini Offgrid Solar via
> RE-wrenches <re-wrenches at lists.re-wrenches.org> wrote:
>
> Depends on how close and how strong the pulse or strike is. In Mil
> satellites, the same thing. You can harden but are dreaming if you
> think your electronics can really survive it. Even harder to protect
> electronics that are powered on. The KH series spy sats I saw
> schematics for had redundant systems that were off or rotated I seem to
> remember. This was back in the 90's so very sketchy in the fog of time.
>
> For Offgrid, and High Rel power systems, a faraday cage for your
> inverter and CC is a must if you are in high lightning zone. A top of a
> mountain is often really hard on a house or Telcom. One place I have
> blows SPD's yearly.
>
> Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/
> e-mail offgridsolar at sti.net
> text 209 813 0060
>
> On 2023-03-09 9:09 am, Drake Chamberlin via RE-wrenches wrote:
>
> Backwoods Solar sells kits to harden against EMP. I am wondering how
> effective they would be.
>
> Drake
>
> _Drake Chamberlin_
>
> _Athens Electric LLC_
>
> _Ohio Electrical Contractor's License 44810_
>
> _CO Master Electrician's License 4526_
>
> _NABCEP Certified PV Installation Professional_
>
> ---
>
> On 2023-03-08 11:49, Glenn Burt via RE-wrenches wrote:
>
> I would review Sol Arks website as they say they are immune. Probably
> have something to back that up published there.
>
> -Glenn
> Sent from my 'smart'phone, so please excuse typos and spelling errors.
>
> ------ Original message------
> From: Marco Mangelsdorf via RE-wrenches
> Date: Wed, Mar 8, 2023 11:37 AM
> To: RE-wrenches;
> Cc: Marco Mangelsdorf;
> Subject:[RE-wrenches] PV and EMP
> Aloha all,
>
> Have any of you come across any articles or white papers on how PV
> systems (including energy storage) fare under conditions of
> electromagnetic pulses and solar flares?
>
> Mahalo,
> marco
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