Re: [TCML] charging reactors

[G Hunter <dogbrain_39560@xxxxxxxxx>]

I saw a solution to this where a coiler wired several guitar amplifier inductors in series to divide the high voltage down to a safe level.  I checked prices for these on e-bay, and they seemed reasonable, though the current ratings are a bit lower than your spec.  Just a thought.

My own idea is to use the "pie" method to scramble-wind a number of inductors on small round spools, stack them in series, and stuff the core with annealed steel wire.  Haven't tried it yet.

Greg


--- On Sun, 3/1/09, jimlux <jimlux@xxxxxxxxxxxxx> wrote:

> From: jimlux <jimlux@xxxxxxxxxxxxx>
> Subject: [TCML] charging reactors
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Date: Sunday, March 1, 2009, 12:56 PM
> So, if one needed to build or buy a dozen charging inductors
> for a resonant charged spark gap coil, where would one
> look..
> 
> It's for an application where there's multiple
> coils being charged from a common HV DC bus.
> 
> Probably need 5-10 H, and it needs to handle a few hundred
> mA to amp (e.g. 10kW @ 10kV is an amp), and, of course, have
> a 10-20kV voltage rating.
> 
> I'm looking for ideas that are either off-the-shelf or
> made from off the shelf things (e.g. no scrounging a half
> dozen MOTs and then sawing an air gap and rewinding it)
> 
> (or, some other clever scheme to charge the primary tanks
> of multiple coils)
> 
> Jim
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