Re: [RE-wrenches] PV and EMP

2023-03-10 Thread Darryl Thayer via RE-wrenches
It depends upon the pulse.  It you are referring to a an EMP caused by a
solar storm this is hard on large electrical grids.  No problem on Solar
equipment.  The voltage current is Ndf/dt number of turns times rate of
change of flux, the grid can collapse but if you disconnect from grid
(multimode inverter) and surge suppressor on grid side you should be ok.
As it is there are transformers that get destroyed by solar flares

On Wed, Mar 8, 2023, 10:36 AM Marco Mangelsdorf via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> 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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Re: [RE-wrenches] PV and EMP

2023-03-10 Thread Dave Angelini Offgrid Solar via RE-wrenches



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  offgridso...@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 
 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  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  offgridso...@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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Re: [RE-wrenches] PV and EMP

2023-03-09 Thread Ray Walters via RE-wrenches
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 
 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  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 offgridso...@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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Re: [RE-wrenches] PV and EMP

2023-03-09 Thread Starlight via RE-wrenches
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 
 wrote:

Hmmm...I wonder how much SolArk is dreaming.
https://www.sol-ark.com/e-m-p/ <https://www.sol-ark.com/e-m-p/>

On Thu, Mar 9, 2023 at 9:58 AM Dave Angelini Offgrid Solar via RE-wrenches 
mailto:re-wrenches@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/ <http://members.sti.net/offgridsolar/>
e-mail  offgridso...@sti.net <mailto:offgridso...@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
> 
> ___
> List sponsored by Redwood Alliance
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> Pay optional member dues here: http://re-wrenches.org 
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Re: [RE-wrenches] PV and EMP

2023-03-09 Thread Marco Mangelsdorf via RE-wrenches
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@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/ <http://members.sti.net/offgridsolar/>
> e-mail  offgridso...@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
>
> ___
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: RE-wrenches@lists.re-wrenches.org
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Re: [RE-wrenches] PV and EMP

2023-03-09 Thread Dave Angelini Offgrid Solar via RE-wrenches


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  offgridso...@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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Re: [RE-wrenches] PV and EMP

2023-03-09 Thread Drake Chamberlin via RE-wrenches

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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Re: [RE-wrenches] PV and EMP

2023-03-08 Thread Glenn Burt via RE-wrenches
I would review Sol Arks website as they say they are immune. Probably have 
something to back that up published there.-GlennSent from my 'smart'phone, so 
please excuse typos and spelling errors.-- Original message--From: 
Marco Mangelsdorf via RE-wrenchesDate: Wed, Mar 8, 2023 11:37 AMTo: 
RE-wrenches;Cc: Marco Mangelsdorf;Subject:[RE-wrenches] PV and EMPAloha 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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