[RE-wrenches] Fwd:_Grounding_on_a_glacier??

Matt Tritt solarone at charter.net
Thu Jul 23 10:40:44 PDT 2009


Don't try the last solution during an electrical storm.

Matt T

dan at foxfire-energy.com wrote:

> Boy -- seems I recall a similar thread a few years ago -- might have 
> been grounding on sand? anyway, as I recall, the issue had to do with 
> bonding, and keeping things at the same potential (discharging 
> static?). I've heard of using bags of stuff over a copper grid / mesh 
> in RF broadcast and the ski industry. Might be some kind of copper / 
> salt stuff. I also recall someone suggesting peeing on a conventional 
> ground electrode? Good luck. db
>
>
> Dan Brown
> President
> Foxfire Energy Corp.
> Renewable Energy Systems
> (802)-483-2564
> www.Foxfire-Energy.com <http://www.Foxfire-Energy.com>
> NABCEP #092907-44
>
>     -------- Original Message --------
>     Subject: Re: [RE-wrenches] Fwd:_Grounding_on_a_glacier??
>     From: toddcory at finestplanet.com
>     Date: Wed, July 22, 2009 3:57 pm
>     To: "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
>
>     NASA had a similar problem on the space station. They used (I
>     think - research this) some kind of static discharge unit on the
>     exterior of the station.
>
>     Todd
>
>
>
>     On Wednesday, July 22, 2009 6:13am, "jason pozner"
>     <zzyyzzx11 at gmail.com> said:
>
>
>
>
>     Hey all,
>
>     I am trying to figure out how to mitigate problems found with a
>     12v 500w simple DC system without a ground.  This system is at
>     14,500' on Denali (Mt McKinly).  We experienced a somewhat
>     "festive" fireworks display on the 4th of July as static current
>     from a storm seemed to travel through one of the antennae, and
>     energized some radio equipment.  There is no grounded conductor,
>     as there is no grounding electrode, as there is no ground to put
>     it in.  The camp is situated on about 500' of glacial ice.  The
>     conductivity of the ice is questionable, and to make the puzzle a
>     bit more fun the camp is raised and taken down at the beginning
>     and end of every climbing season (Apr-July), though the site is
>     the same.  The loads are primarily for communications for search
>     and rescue purposes, and  reliability, and simplicity are
>     paramount.  I have been exploring the avenue of a surge
>     arrestorsThanks, and was wondering if any of you could make a
>     recommendation on a product that can either be reset or cheap
>     enough to have a few replacements on hand.  Everything is flown in
>     or carried to the site, and repair/replacement needs to be simple
>     enough so non-technical minded personnel can perform and re-set
>     the system.
>
>     Thanks,
>
>     Jay Pozner
>     Nunatak Alternative Energy Solutions
>     Crested Butte, CO
>     (970) 349-3432
>     nunatakenergy at gmail.com <mailto:nunatakenergy at gmail.com>
>
>
>
>
>
>     -- 
>     Nunatak Alternative Energy Solutions
>     Jay Pozner and Lena Wilensky
>     (970)349-3432
>     www.nunatakenergy.com <http://www.nunatakenergy.com>
>
>     ------------------------------------------------------------------------
>     _______________________________________________
>     List sponsored by Home Power magazine
>
>     List Address: RE-wrenches at lists.re-wrenches.org
>
>     Options & settings:
>     http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
>     List-Archive:
>     http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
>     List rules & etiquette:
>     www.re-wrenches.org/etiquette.htm
>     <http://www.re-wrenches.org/etiquette.htm>
>
>     Check out participant bios:
>     www.members.re-wrenches.org <http://www.members.re-wrenches.org>
>
>------------------------------------------------------------------------
>
>_______________________________________________
>List sponsored by Home Power magazine
>
>List Address: RE-wrenches at lists.re-wrenches.org
>
>Options & settings:
>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
>List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
>List rules & etiquette:
>www.re-wrenches.org/etiquette.htm
>
>Check out participant bios:
>www.members.re-wrenches.org
>
>  
>
>------------------------------------------------------------------------
>
>
>No virus found in this incoming message.
>Checked by AVG - www.avg.com 
>Version: 8.5.392 / Virus Database: 270.13.25/2256 - Release Date: 07/23/09 06:02:00
>
>  
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20090723/76d34274/attachment-0003.html>


More information about the RE-wrenches mailing list