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Subject   Re: 120 kV / 100 mA supply: 15" arcs
Posted by Carl Willis on 2007-17-05 22:32
Hi Mike,

This is very much a work in progress and I am hesitant to go to the effort needed to make a comprehensive parts list until I can vouch more for the reliability of the design and am reasonably sure that it is essentially a finished product. A few weeks' operating experience is not enough for that. The stack itself is a part I came by as surplus and modified in some minor ways. Also, I should note that many, if not most, of the parts in this build are surplus. The HGTG20N60A4D IGBTs are no longer made by Fairchild, for instance.

I would refer interested parties to Steve Ward's website first. He has excellent background information on HV SLR converters, and links to some immensely useful academic publications.

My first priority at this point is to re-wind my transformer on better, smaller cores. I'm also slowly upgrading various parts to make the system 240-V ready. Right now it is only good for about 200 VAC in.

-Carl

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