RE: IGBT SSTC finally possible?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Steve Conner" <steve.conner-at-optosci-dot-com> 

 >Has someone ever observed, or even simulated, or better, simulated and
 >observed, the output waveforms of these CW, or interrupted CW coils?

Yes, we observe and simulate them all the time ;) We tend not to talk about
it too much on Pupman though.

The output waveforms of CW/ICW coils are just a sine wave that rings up
until breakout is reached. This is usually at a fairly low voltage compared
to a SGTC to prevent stressing the inverter, as primary current goes up in
proportion to output voltage. (But the new DRSSTC/ISSTC type coils are kind
of rewriting the rule book here- they can handle the multi-hundred-amp
primary currents needed to breakout a SGTC type toroid.)

Anyhow, once the breakout voltage has been reached, the output voltage more
or less stops ringing up- it's more or less "clamped" by the corona loading.
(Again the DR and I type setups are different, they have enough power to
overcome this, same as a SGTC.) It then stays there until the interrupter
turns the inverter off (or the half-cycle of line voltage ends.)

Steve C.