Lightning Revisited [RE-wrenches]

[Jeffrey Wolfe, Global Resources]

The local lightning guru around here got somewhat involved in adding 
lightning protection to a major grid-tie solar project here, and before he 
decided it was too complex to tangle into, he did recommend an incoming 
service surge suppressor by PolyPhaser. You run the entire service through 
it, so it's a large unit. For a 200A service, you're looking at $1500 or 
so, plus installation. We don't have enough time on it to say that it's 
going to stop the flashes, but the lightning guy was pretty convinced that 
the service entrance was by far the most vulnerable, given that the rest of 
the system has plenty of the Delta cans on it.

Jeff
Jeffery D. Wolfe, P.E.
Global Resource Options, LLP
A Woman-Owned Limited Liability Partnership
4 Kibling Hill Road
P.O. Box 161
Strafford, Vermont 05072
800-374-4494 Toll Free
802-765-4632 Phone
802-765-9983 Fax
global at sover.net
http://www.GlobalResourceOptions.com

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On Wednesday, April 10, 2002 10:17 AM, Holt Kelly [SMTP:hkelly6 at msn.com] 
wrote:
> Hello all,
> I am designing a 2kw grid-tie w/battery backup in an area that seems to
> be prone to lightning strikes (lost power from strike last week for the
> third or fourth time this year). The client wants to be sure the system
> is well protected. I have some ideas of over engineering the surge
> protection but was wondering if ya'll had any ideas. Thanks in advance
> "We do not inherit the earth from our parents. We borrow it from our
> children."
> Chief Seattle
>
> Holt E. Kelly
> Holtek Fireplace & Solar Products
> Waco, TX.
> hkelly6 at msn.com
>
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