Re: Introduction

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "BRIAN FOLEY" <ka1bbg@xxxxxxxxxxx>

Welcome to the list! your expertise will be valueable to the list. cul brian
f.
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Friday, April 14, 2006 10:55 PM
Subject: Introduction


> Original poster: Don Murray <don@xxxxxxxxxxxxxxx>
>
> Hello, I'm Don. I've been lurking here for a couple of months.
> Thought it was time for me to post.
>
> I've been a high voltage lineman since 1972. Worked as a
> troubleshooter for a power company for the last 20 years. Going to
> retire at the end of the year. I figure on building a Tesla coil,
> when I retire, to keep my high voltage energy level up.
>
> I've been reading the posts on safety lately. In most cases with high
> voltage electrical contact, there will be a small entrance wound and
> a larger exit wound. The exit wound will generally be on a foot or
> whatever part of your body is grounded. On some cases the energy will
> flow on the outside of your body, if you are sweaty. I saw this once
> when a guy got a piece of #4 sol AL into 69KV, vaporized the #4, and
> melted his nylon socks and underwear onto him. He was standing on a
> dry 6 inch bed of pea gravel in a substation. Another time a man fell
> into some 12KV padmount switch gear, contacted his arm and shoulder.
> His arm swelled up as big as a basketball. They lanced it and he
> wasn't doing good until they finally removed his arm three days later.
>
> A little bit about distribution pole transformers. On most of your
> 120/240 secondary pole transformers the secondary is actually two
> coils. When they are in series the center point is brought out to the
> X2 bushing. But you can pop the lid and parallel those secondary
> coils. Thats what we have to do if we're going to use it in a 120/208
bank.
>
> Most all distribution pole-mounted transformers and padmount
> transformers, for that matter, are rated to run 150% of their KVA
> rating for extended periods. (several hours) And they are good for 2
> times the rated current for 30 minutes. 3 times for 5 minutes. 4.75
> times for 60 seconds. 6.7 times for 30 seconds.  11.3 times for 10
> seconds. 25 times for 2 seconds. That's per the General Electric
> Distribution Transformer manual.
>
> Be safe and happy coiling,
> Don
>
>
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>
>
>
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