Re: Pig Question AND current limiting method

[LTM-at-SUBSONIC-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

Thank you. I miss spoke. 
Back to work now.


      Shawn T. Ferrell
           COIL ON

At 11:51 AM 08/03/2000 -0600, you wrote:
>
> Original poster: FutureT-at-aol-dot-com 
>
> In a message dated 8/2/00 6:04:15 PM Pacific Daylight Time, tesla-at-pupman-dot-com 
> writes:
>
> >    The way this works, when the core is in the coil, the core saturates and
> >  limits the current. Pull the core slowly out of the coil, and the current
> >  rises. 
> >     It was easy to locate the supplies, and rewarding to make. Also it's
> >  infinitely variable.
> >  Hope this helps for part of your questions.
> >     
> >        Shawn T. Ferrell
> >              COIL ON
>
> Shawn,
>
> The core never saturates, it just increases the inductance when
> it's in place and limits the current that way.  If the core could
> saturate, it would increase the current.  NST's or other transformers
> that use a saturable core work a different way.... since the saturation
> shunts the magnetic field so the secondary receives less of a field,
> and therefore delivers less current (than it would if the core didn't
> saturate).
>
> John Freau