Original poster: Vardan <vardan01@xxxxxxxxxxxxxxxxxxxxxxx>
Hi,
I wired up some odds and ends and put the gap on a coil:
http://hot-streamer.com/temp/SISG-006.jpg
http://hot-streamer.com/temp/SISG-007.jpg
http://hot-streamer.com/temp/SISG-008.jpg
The firing voltage is 1800V and it is running about 60BPS. The arc
to ground is 5 inches.
The coil is 150kHz and the primary cap is 150nF so the bang energy
is 0.243 Joule. So its about 14.6 watts. The old IGBT got just
barely warm and the new one stayed cool (no heatsinks).
This system was very far from optimal, but it did make nice sparks
with the new gap ;-)) When I get a lot more IGBTs, I can run it at
100 times the power ;-)))
Cheers,
Terry