Re: Ballast for pole pig. (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Tue, 14 Aug 2007 09:32:53 +0000
From: Hans Schattenmeister <klugmann@xxxxxxxxxxx>
To: tesla@xxxxxxxxxx
Subject: Re: Ballast for pole pig. (fwd)


One of the best ways to ballast a pig is by using MOTs (Secondaries 
shorted). You can use several in parallel or different combinations of 
series and parallel. I use 6, and limit the power to about 12 kw. They are 
very robust and seem to last for ever.








>From: "Tesla list" <tesla@xxxxxxxxxx>
>To: tesla@xxxxxxxxxx
>Subject: Re: Ballast for pole pig. (fwd)
>Date: Mon, 13 Aug 2007 07:49:32 -0600 (MDT)
>
>
>---------- Forwarded message ----------
>Date: Mon, 13 Aug 2007 08:25:58 -0400
>From: Crispy <crispy@xxxxxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: Ballast for pole pig. (fwd)
>
>Hi Tyler,
>
>A resistive ballast is less efficient, because it actually dissipates
>power in the form of heat.  An inductive ballast does not actually
>dissipate any power.  However, a resistive ballast is generally easier
>to build.  Many people have used water-cooled heating elements or large
>saltwater resistors as resistive ballasts.  An inductive ballast for
>something like a pole pig usually requires tight winding of relatively
>large wire around a large core.  If power is plentiful, and you don't
>plan on operating near your maximum available power, a resistive ballast
>should do fine.  Something else you may consider is a high voltage
>capacitive ballast.  I've used this successfully with MOTs but I'm not
>sure about the implications with pigs.
>
>(Note: I've never used pole pigs myself, but I've read a lot about them,
>and I have ballasted MOTs)
>
>Chris
>
>
>On Sun, 2007-08-12 at 21:20 -0600, Tesla list wrote:
> > ---------- Forwarded message ----------
> > Date: Sun, 12 Aug 2007 20:01:22 -0700 (PDT)
> > From: Tyler Pauly <rpggod714@xxxxxxxxx>
> > To: tesla@xxxxxxxxxx
> > Subject: Ballast for pole pig.
> >
> > Hello, I'm a "seasoned beginner" with tesla coils, but
> > I'm trying my first with a pole pig, and my first
> > transformer that needs a ballast.  Now, I understand
> > why I need a ballast and how they work/what they do,
> > but I do not know how to build one or what to build
> > them from.  I have tried searching the database, but I
> > was just wondering if I could get some fresh advice. I
> > was thinking of using a primary ballast (which I think
> > is the norm), but I'm not sure if a resistive or
> > inductive ballast is more efficient, cost-effective,
> > easy to build, etc. Thanks for any help!
> >
> > Tyler
> >
> >
> >
> > 
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>
>

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