Re: [TCML] Hello List, Question Lurks..

[mddeming@xxxxxxx]

Hi Jim,



Some?of us old enough to be more literate know exactly what you meant: running a 3-phase transformer?as single phase one.? Of course not everyone has read "Le Voyageur Sans Bagage", printed in sans serif, understood when Shakespeare?wrote "my love to thee is sound sans crack or flaw", or been to Sans Souci Palace (either the one at Potsdam or the one in Haiti).





Matt D.







-----Original Message-----
From: Dr.Hankenstein <dr.hankenstein@xxxxxxxxxxxxx>
To: 'Tesla Coil Mailing List' <tesla@xxxxxxxxxx>
Sent: Wed, Aug 12, 2009 10:06 pm
Subject: RE: [TCML] Hello List, Question Lurks..



Jim,

Exactly what are you trying to do? I've never heard of the type of xfmr
you are tying to use. What do you mean by:" however I tried to tame a 5+
KVA, 3p 4400v transformer sans 3P"; You need to be more specific so we
might be able to help. What is the primary voltage? And what is a "sans
3P"? Does your xfmr have a nameplate? Your message is very cryptic. What
is this "disappointing 1500 volts" you are getting out of a 4500 volt
xfmr? Last time I checked, 4amps x 4000volts was 16kva. Is this your
first tube coil?

Hank 

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
Behalf Of Jim Mora
Sent: Tuesday, August 11, 2009 6:58 PM
To: 'Tesla Coil Mailing List'
Subject: [TCML] Hello List, Question Lurks..


Hello Tesla Fiends,

I am still collecting components for my (4x) 833C VTTC. I have almost
everything now. This has been going on for a few years. The target
assembles
are getting close! However I tried to tame a 5+ KVA, 3p 4400v
transformer
sans 3P. I have come to the conclusion that this will not cut the
muster.
Nada. It won't work without a 1256D or so. Not what I had in mind!

So lets see, the triple core is very nearly 8 inches^2 each. So we have
a
disappointing ~1500v * the SQR 3 =~ 4500v. This is still not happening
even
with a 1500V/.707=filtering circuit.

Ok a new approach: I have stripped off the 12wag large number off the
core
legs and made the center a clean former. Understand this was a 24/7
transformer weight in at least 75lbs. All layers were covered in Nomex
which
I salvaged well. I did learn a few things including how to easily
dismantle
an interleaved core in a single session! So here's the question: if I
magnetize the center core verging on the center core kneeing of core
magnetization saturation say with #5awg or #awg6 square magnet wire-
Will  a symmetrical core bring the numerous  #awg 26 or so wire on the
outer
turns arrive near acceptable magnetized power. I may parallel or series
the
windings as I have a 4" window x 2" winding windows.

Tha
nks for any help!

Jim Mora

PS: I have 4 MOT if this fails, actually six ;-^) This is not my first
choice. Four deliver 2amps either in series or voltage shifted and run
hot!
I want 4 amps@ >4kv. Pig Hugh! Anyone have 4.4kv pig??

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