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Re: [TCML] Which IGBT?
Choosing the right IGBT is quite important, as this determines how much
power you can push into the coil. A popular IGBT to use as of late is the
Rather expensive to obtain unless you get in on a group buy or know someone
who has extras to sell.
I'm in the process of building a small coil that sounds quite similar to
yours. I used Farichild
in a full bridge for my coil. In testing I've found them to be
reliable to 350A at 120bps. I've got a sort of project
4HV, that may be helpful to you.
Why are you using only half-wave rectification for your bus supply? You do
have filter caps smoothing this out, correct?
On Wed, Apr 15, 2009 at 10:41, Grant Visser <freeekyg@xxxxxxxxx> wrote:
> Hi all,
> I am finalising my first DRSSTC and was wondering which of the newer
> generation IGBT's have been succesfully tested or are recommended for
> freq bridges.
> I'll be running my system from halfwave rectified 220V AC, my 3.5" x 16"
> secondary is wound with 1600 turns of #32 wire with a calculated fres of
> just under 200KHz with topload and just under 300KHz without. I'll be using
> 3mm copper tubing for my primary and would like to get as much power out of
> the system as I can without excessively over-driving it.
> All comments, ideas, and suggestions would be gratefully appreciated.
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