Re: Power Load Balance Concern

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Crow Leader by way of Terry Fritz <twftesla-at-qwest-dot-net>" <presence-at-churchofinformationwarfare-dot-org>

Use just one half of the dual breaker. It is just two breakers bonded
together. One side connects to one 120 volt hot and the other to the other.
Across both you get 240 volts. They share the same neutral. Normal 120 volt
circuits are divided up across both busses.

KEN
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, September 23, 2001 1:52 PM
Subject: Power Load Balance Concern


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Mddeming-at-aol-dot-com>
>
> Hi All!
>         I am in the process of upgrading my power supply to 4 15/60 NSTs
and
> already have a 120v input -at-30Amp,  model W30M Variac. Based on nameplate
> ratings, the NST bank  should draw about 33 Amps total (4X8.25). The
problem:
> since there is only one open slot left in my breaker box, I would like to
use a
> 40Amp breaker, but I have not seen single breakers for this kind of
current.
> Most are dual breakers -at- 240 V using both sides of the line to keep the
load
> balanced and prevent in-house brown-outs.  If I try to get a 4KVA
> step-down/isolation transformer so as to utilize both sides of the line, I
am
> looking at ~$350 plus S&H on 120 lbs.
> Questions:
> 1. Is running the Variac at +10% a real concern?
> 2. Is placing this size load on one side of the panel going to create
in-house
> imbalance problems?
> 3. Anyone got a cheap step-down 4KVA transformer?
>
> Would appreciate response from any/all with experience in this area.
>
> Matt D.
> G3-1185
>
>
>
>
>