[RE-wrenches] Delta LAs

[August Goers]

Joel -



I'm interested in seeing the archived discussion but I don't have your email
address to email you off list.



Thanks, August





August Goers



Luminalt Energy Corporation

1320 Potrero Avenue

San Francisco, CA 94110

m: 415.559.1525

o: 415.641.4000

august at luminalt.com

*From:* re-wrenches-bounces at lists.re-wrenches.org [mailto:
re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of *Joel Davidson
*Sent:* Friday, September 17, 2010 6:26 PM
*To:* RE-wrenches
*Subject:* Re: [RE-wrenches] Delta LAs



Wrenches,



Allan Sindelar's 2003 RE-Wrenches lightning discussion compilation was a
keeper. Email me off-list for a copy. (Thank you Allan).



Joel Davidson

 ----- Original Message -----

*From:* August Goers <august at luminalt.com>

*To:* RE-wrenches <re-wrenches at lists.re-wrenches.org>

*Sent:* Tuesday, September 14, 2010 6:00 PM

*Subject:* Re: [RE-wrenches] Delta LAs



Jay -



I can see that point, but does that really effect insurance payout? It seems
like one could argue that a properly installed system with proper grounding
inspected by a building official has a lot more clout than and little grey
cylinder next to the inverter or disconnect.



Please all wrenches, correct me if I'm wrong but I can't remember a single
time when there was a post about an actual lightning strike and a lightning
arrestor actually doing its job - meaning that an arrestor took a hit and
protected the array and or inverter. I've heard plenty of stories about
blown lightning arrestors and good equipment but no one seems to know what
caused the situation. It might be that lightning is hard to track and I
agree with that. And lightning might have been the cause. It would be great
to track lightning-fried installations to see what happened and what could
be fixed. If lightning arrestors are the solution then by all means we
should install them. Most of the time I think that proper grounding is the
solution although I wish that field experience would prove the point.



What do you think?



-A

On Tue, Sep 14, 2010 at 5:28 PM, jay peltz <jay at asis.com> wrote:

I also live in a area without much lightning, however I install one in most
systems for the simple reason of insurance.
If there is lightning damage, the insurance company can't use that as a way
to not pay any claims.
ie cheap insurance.

jay

peltz power

On Sep 14, 2010, at 8:39 AM, August Goers wrote:

> All -
>
> I guess my thought is a little off topic, but are lightning arrestors even
worth using at all? My logic has always been that if lightning does indeed
strike that it's likely going to blow the arrestor and and inverter. We
don't have much of a lightning issue issue in the Bay Area so I don't have
any direct experience.
>
> Best,
>
> August
>

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-- 
August Goers
VP, Engineering

Luminalt Energy Corporation
1320 Potrero Avenue
San Francisco, CA 94110
O: 415.641.4000
M: 415.559.1525
august at luminalt.com
 ------------------------------

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