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Re: Skip's DRSSTC



Original poster: Steve Ward <steve.ward@xxxxxxxxx>

Hi Skip

I do have the TVSs and decoupling caps on each IGBT. I guess that is
why they are still alive.



You dont really have capacitors across *each* IGBT do you? That would be terribly lossy as the caps would discharge through the IGBTs each time they turned on.

Maybe you dont understand, but you really *must* use the reverse diodes on the IGBTs!

"Don't forget, the secondary winding is only 18" tall."

So that coil should be good to 58" sparks or so.

Steve