Re: transformer phasing

To: tesla-at-pupman-dot-com
Subject: Re: transformer phasing
From: Bert Hickman <bert.hickman-at-aquila-dot-com>
Date: Wed, 12 Jun 1996 07:01:43 -0700

Tesla List wrote:
> 
> >From ulflyer-at-napanet-dot-netTue Jun 11 21:26:18 1996
> Date: Tue, 11 Jun 1996 07:54:54 -0700
> From: "Stephen G. Stanton" <ulflyer-at-napanet-dot-net>
> To: tesla-at-pupman-dot-com
> Subject: transformer phasing
> 
> Greetings to all:
> 
> After coiling since January, I got my first cloud of acrid smoke, from one
> of three neons ganged together.  Strangely, the cloud rose after I had
> disconnected the third (difficult to phase) neon from the good pair.
> 
> The smoked neon is a GE 12 kv unit marked "HPF".  I had it phased with a 12
> kv 60 ma trans and the coil was working good.  The third unit (12 kv 30
> neon) never seemed to get along with these two in the sense that it seemed
> out of phase either way I connected the primarys.
> 
> The "smoked" trans may just be a broken secondary connection to the hv
> terminal, as tar bubbled out at one end.  It could have been melted by
> internal arcing.  I'll pull it apart and check it out, as it was a good trans.
> 
> There's more to this phasing stuff than meets the eye, for sure...
> 
> Happy coiling..
> 
> Stephen

Stephen,

Sounds like the neon that smoked was a "power factor corrected" unit. 
These cannot be connected in parallel with non-corrected neons without 
bad things happening...



-- Bert --