[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>
>
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