Re: [TCML] Paralleling 15/30 15/60 NSTs

[Steve Ward <steve.ward@xxxxxxxxx>]

NSTs are a "soft" power source (they have a large output impedance) which
makes paralleling easier.  Luckily tesla coilers dont need to parallel pole
pigs, that would be a much more care-requiring feat due to their very low
output impedance (you could end up with a lot of current circulating between
them due to mis-match in voltage).

Ive heard of people paralleling even different NST voltages with decent
success.

Steve

On Wed, Jul 14, 2010 at 7:23 PM, Gary Lau <glau1024@xxxxxxxxx> wrote:

> There's really nothing that can go wrong beyond the 50-50 chance of getting
> the phasing wrong.  Dissimilar current rating ar not an issue.  Even
> somewhat different voltage ratings are not a deal breaker.
>
> Regards, Gary Lau
> MA, USA
>
>
>
> On Wed, Jul 14, 2010 at 6:15 PM, Joe Mastroianni <joe@xxxxxxxxxxxxxx>
> wrote:
>
> >
> > I presume that in theory as long as the output voltage is the same I
> should
> > have no problem paralleling 2 NSTs with different current ratings.
> >
> > But theory is not reality. And I still have an old 15/30 NST which I
> > swapped out when I got my 15/60. So I'm staring at it wanting to try the
> > experiment of paralleling it with its bigger brother. But then I think-
> > there has to be a problem in this somewhere. Like when you have the
> variac
> > at less than full power if the 2 Vin/Vout curves are different.
> >
> > What kind of chaos could I cause by doing this (presuming I phased them
> > correctly)??
> >
> > Thx
> > Joe
> >
> >
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