Re: 4 stage SISG. Dinosaurs..

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "resonance" <resonance@xxxxxxxxxxxx>



Yes, around $2,000 each.  Have not yet ordered them.

Dr. Resonance



> Original poster: "Barton B. Anderson" <bartb@xxxxxxxxxxxxxxxx>
>
> Oh my, those IGBT's must have been expensive!
>
> Bart
>
> Tesla list wrote:
>
> > Original poster: "resonance" <resonance@xxxxxxxxxxxx>
> >
> >
> >
> > Largest IGBT so far is the PowerEx 1700 VDC, 2400 Amp units.
> >
> > I used 24 of them in the design for my new 180 kVA "Big Bruiser", 6 
> > on each corner of the H bridge, 12,000 Amps peak pri 
> > current.  Design is for 75-80 ft long sparks.  7 ft dia. sec x 62 
> > feet high overall.  58 ft long sec coil. 20 ft dia toroid with 8 ft 
> > dia toroid beneath this one.  We may even go to 200 kVA on this design.
> >
> > Dr. Resonance
> >
> >
> > > For Really BIG coils. IGBT would get way expensive. Anyone know what the
> > > highest wattage one is so far? Trex is extinct, but he could have eaten a
> > > komodo dragon in one bite:-^) I'm still anxious to try a Terry Piranha II
> > > solid state coil!
> > >
> > > Jim Mora