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Re: [TCML] Paralleling chokes for 1256D's
Hi Scot,
It would seem to me that the only limiting factor here would be
the physical size of your choke's core and getting all of that #4
or #6 THNN wire for 4 variacs inside that single core. But
electrically, I'm seeing it the same way that you do ;^) BTW,
it's my understanding that there is normally 1 choke for every
2 varaics paralleled, not 1 for 1. The 4-stack 1256D inside
my big coil's control panel came with just 2 paralleling choke
pre-installed and that is the way that I have seen other 1256D
stacks pre-assembled as well. But yes, if you can get your
choke's core large enough, I don't see why you can't use just
one.
David
----- Original Message -----
From: "mr. scot dingman" <1stbunnykiller@xxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Wednesday, December 05, 2012 4:04 PM
Subject: [TCML] Paralleling chokes for 1256D's
hey all,
Im getting ready to "re-parallel" my 1256ds into all 4 being paralled at
240 V resulting in 0-280 at approximately 115A. According to the info I
have, I will require 4 paralleling chokes to do this. Each variac has it
own choke. But heres my thought, each variac has its own choke but the
paralleling winding is in series to all four chokes
see:
http://www.webring.org/hub?ring=teslaring;id=354;ac=L%7BeQEM%B8%AD%9C%83%F0%E2%9C%86%88%7Fi%1D%1Al%26%28%1AU%EB%F2%C9%DF%B2%A0%A8%9F%91xaT%1C.%2B%28E%1A%A9%E1%8D%D2%CB%A2%B4%91%9Dl%7FMJO;go
page 31 connection 2 diagram for the suggested manner of wiring.
why couldnt i use 1 core, wrap each output from each variac on the single
core and wrap the paralleling winding on the same core?? Am I missing
something here amoungst my thoughts and theory or will i have a variac
meltdown??
Scot D
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