Fwd: Re: Fwd: Re: [EVGRAY] Solar panel neutral spike

-------- Forwarded Message --------
Subject: 	Re: Fwd: Re: [EVGRAY] Solar panel neutral spike
Date: 	Thu, 20 Sep 2018 06:48:45 -0500
From: 	Norman Wootan <[email protected]>
To: 	Jon Gentry <[email protected]>



http://www.esgroundingsolutions.com/what-is-ground-potential-rise-and-earth-potential-rise/


On 9/20/2018 6:43 AM, Norman Wootan wrote:
>
> Jon, I'm trying to find a certain area in the US that has no lightning 
> activity due to the natural potential in the area that mitigates 
> lightning.  Be interesting to test the Theory of grounding bouyes down 
> in South America!  See: 
> https://www.livescience.com/54666-most-lightning-prone-place-in-the-world.html
>
> https://en.wikipedia.org/wiki/Earth_potential_rise
>
> http://igs.nigc.ir/STANDS/BOOK/LIGHTNING-PROTECTION-A.PDF Jon! A good 
> example of "Air Termination"!
>
>
>
> -------- Forwarded Message --------
> Subject: 	Re: [EVGRAY] Solar panel neutral spike
> Date: 	Mon, 27 Aug 2018 08:36:06 +0000 (UTC)
> From: 	Warren Keillor [email protected] [EVGRAY] 
> <[email protected]>
> Reply-To: 	[email protected]
> To: 	[email protected] <[email protected]>
>
>
>
> James
>
> You don't go looking for interesting weather when in a boat. You do 
> your best to avoid it.
> But just like politics, or other large features of the landscape, 
> sometimes it just happens. We do our best as we see it, using our best 
> survival skills.
> A fhunderstorm that has lighning hitting very close to you, for hours 
> at a time, with no break in the sound, the hair on your arms standing 
> out straight in the charged atmosphere, is not a situation one chooses 
> to be in, but being on the water, like being in a spacecraft, is a 
> bubble of reality, you live in, or not.
> And yes, twin waterspouts between the Guadalope and the Saints, each 
> appearing out of a black cloud that seemed a mile up traveling West, 
> one right after the other, coming out of what seemed like the same 
> place in the sky. It may have been the high masses of both Island 
> groups and the narrow channel between them after the broad Atlantic. 
> We cut the interval between them by chance, on our way to the Saints.
> Cheers Warren
> Sent from Yahoo Mail on Android 
> <https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature>
>
>     On Sun, 26 Aug 2018 at 6:31 PM, James Glinski [email protected]
>     [EVGRAY]
>     <[email protected]> wrote:
>
>     Have you tried it on a water spout yet ? 😁
>
>     On Aug 26, 2018 2:25 AM, "Warren Keillor
>     [email protected]
>     <mailto:[email protected]> [EVGRAY]"
>     <[email protected] <mailto:[email protected]>> wrote:
>
>         Mick
>         I have been running my schooner's electrical system using PV
>         panels on a 12 volt system charging golf cart batteries. It
>         seems to be trouble free, so far. The batteries have been
>         always fully charged.
>         Thete are two metal masts rising up six and a half stories
>         from the deck. The half inch stainless steel rigging conducts
>         to ground via the ferro cement hull which seems to be always
>         at the same potential as the water, when I have measured it.
>         I have been in some very frightening lightning storms in the
>         Gulf Stream, and the East Coast of the US, being the tallest
>         structure on the horizon.
>         I have heard that there is a sixty degree cone of protection
>         afforded such installations around vessels.
>         My experience, scary as it was, seemed to bear this out.
>         Lighning repeatedly struck the water on all sides around the
>         boat for hours on end with deafening noise and hissing trails
>         of bubbles, like snakes on the water, at the point of impact.
>         Somehow in these storms, I had no electronics, or electrical
>         damage..
>         I would not bet on it always working, but it worked for me.
>         Cheers Warren
>         Sent from Yahoo Mail on Android
>         <https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature>
>
>             On Sat, 25 Aug 2018 at 8:26 PM, Mick [email protected]
>             <mailto:[email protected]> [EVGRAY]
>             <[email protected] <mailto:[email protected]>>
>             wrote:
>
>             Staying at a friends who had PV solar installed. When they
>             were away
>             they came back and found a power strip melted that went to
>             a treadmill
>             and a few of the ceiling fan controllers burned out. Began
>             to check the
>             circuit and found the ground wire from the Sunny Boy
>             inverter cut at the
>             sheath inside the service panel.  The solar panels are
>             about 100 yards
>             from the house and grounded to the concrete sunk racks, I
>             really think
>             there should be a dedicated grounding rod also, but the
>             grounding wire
>             inside the feed to the pair of breakers just cut not
>             bonded to the
>             panel.  I am pretty sure this is against code besides
>             being a hazard.
>             Likely a lightening strike nearby pushed a nice big pulse
>             through the
>             neutral wire and reflected off the inductive loads.
>
>             I am furious at this kind of stupidity but before I give
>             hell to the
>             installer I want to make sure my thinking is correct.
>             Perhaps Dave can
>             give his two cents if for any reason the inverter should
>             be floated like
>             this instead of bonded to the panel.
>
>             There seems to be a controversy on the topic:
>
>             https://www.solarpaneltalk. com/forum/solar-panels-for-
>             home/solar-panel-system- equipment/16949-grounding-
>             code-690-47-c-3- implementation-with-sma-
>             sunnyboy-tl-us-22
>             <https://www.solarpaneltalk.com/forum/solar-panels-for-home/solar-panel-system-equipment/16949-grounding-code-690-47-c-3-implementation-with-sma-sunnyboy-tl-us-22>
>
>