Re: Homebrew variac paralleling choke

• To: tesla-at-pupman-dot-com
• Subject: Re: Homebrew variac paralleling choke
• From: Esondrmn-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 29 Mar 2000 07:21:12 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

In a message dated 3/25/00 7:05:36 PM Pacific Standard Time, tesla-at-pupman-dot-com 
writes:

<<  I need to parallel two variacs (two 10A are available, and I need 20A).  I
 > was planning on winding my own paralleling choke with some 14-AWG wire, but
 > I don't have a EI core "laying" around.  How many problems would I create
 > for myself if I just used a solid bar of steel of suitable size (say a 1.5"
 > diameter solid bar)?  I realize this is less than ideal, but it's my only
 > real option at this point (unless I can run a 15/120 system on a single 10A
 > variac...).
 > 
 > Mark B
  >>

Mark,

I used two 10 amp variacs in parallel with no equalizing chokes with 12 kv 
120 ma transformers for several months with no problems.

Ed Sonderman

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