RE: [TCML] Transductors for current limiting

["Dave Halliday" <dh@xxxxxxxxxxxxxx>]

SWIPE!  :->

Thanks - was looking at a sliding core inductor but this is a lot cleaner.

Dave 

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx 
> [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of DC Cox
> Sent: Thursday, March 11, 2010 9:04 AM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Transductors for current limiting
> 
> yes, we do this very procedure using an old 10 kVA core that 
> we strip all
> the windings off of.  We then rewind the two outer legs with 
> 90 turns (total
> split between the two legs), and use a 32 VDC 10 Amp power 
> supply which
> energizes a winding on the central core leg.  This gives us 
> total and smooth
> electronic control from 0-70 amps at 220 VAC.
> 
> It works excellent and eliminates our older method of using a 
> gear motor to
> move the core in and out of the coil.
> 
> Dr. Resonance
> 
> 
> 
> 
> On Thu, Mar 11, 2010 at 12:06 AM, teslalabor@xxxxxxxxxxx <
> teslalabor@xxxxxxxxxxx> wrote:
> 
> > Hi,
> >
> > I searched the list archives and I'm wondering, that there 
> are no topics
> > about transductors arround there. Aren't they suitable for current
> > limiting auf HV transformers such as pigs or potential transformers?
> > With a small DC current in the control windings in a 
> transductor it is
> > possible to control a heavy AC current in the main winding.
> >
> > Best Regards,
> > Stefan
> >
> >
> >
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
> >
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla

_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla