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Re: Cold Cathode Transformer



Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>

That is what I thought, but had doubt based upon his
comments.  I'll run a little test to be certain.
Thanks to all in the list that helped.

Curt.


--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: "Barton B. Anderson"
> <bartb@xxxxxxxxxxxxxxxx>
>
> Hi Curt,
>
> Cold Cathode transformers are simply higher output
> current
> transformers for the larger cold cathode tubes. No
> need to add an
> external ballast. Cold cathode tubes do not require
> the heating
> elements as neon tubes do, thus, they have immediate
> start up, can
> also be dimmed, and have long life. The tube is what
> is actually
> "cold cathode", and the transformer current simply
> needs to be
> capable of starting it.
>
> Consider it a 15/120 NST (that's what it is, and
> nice to have!)
>
> Take care,
> Bart
>
>
> Tesla list wrote:
>
> >Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>
> >
> >I have the good fortune of recently purchasing a
> >15000V, 120mA "Cold Cathode" transformer made my
> >Transco.
> >
> >The gentleman that I bought it from told me that
> Cold
> >Cathode transformes are not current limited.  I've
> >searched the list archives and have found a message
> >that states they *are* current limited.
> >
> >So, here's the question, how can I tell if it is
> >current limited without damaging it?  Is there any
> >danger in drawing an arc and monitoring the
> current?
> >
> >Thanks,
> >
> >Curt.
>
>
>
>