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Registered Member #1732
Joined: Thu Oct 02 2008, 02:34PM
Location: Huntsville, AL
Posts: 112
I'm a little over a month into making my first DRSSTC. I'm near completion and plan to take it to the Winter Western Teslathon. I will be taking one unit to the WWT, but the final system will be a twin coil system. I also plan to audio modulate in the future. Thanks go to John Forcijo (TeslaCoolGuy) for helping me through the design process.
Basic Data: Fo: 236kHz Secondary 11.5"H x 2.4"D 34AWG (Single-Build) 1643 Turns Topload 12"x3" Spun Aluminum Tank Capacitor .15uF Primary Coil 3.5"D x 2.5"H .1875"D Copper Tubing Full Bridge of Farichild SGH80N60UFD Steve Ward's Universal Driver
I still need to complete the Interrupter and the base, as well as various other minor things. By far the most time-consuming part of this project has been getting it laid out and ordering the parts. I don't know of anyone who has used these IGBTs before. They were super-cheap [$~3]. I'll update this thread when I know how well they work.
Maybe someone can help me on this; I want to add a doubler to this and I have 8x 250V 1200uF caps and the diodes. I plan on running each coil somewhere around 350W. My question is, how do I know what kind of capacitance I need to keep the volt drop reasonable? Also how tolerant are these electrolytics of over-volting? I'm thinking they may not take too kindly to 100V over their rated voltage, which is a shame because It's going to be nearly impossible to fit all eight caps into the box I'm designing.
Here are some photos of what I've completed so far.
EDIT: This stuff is all pretty awful. I have updated every component shown here, see page two for more up to date photos.
Registered Member #575
Joined: Sun Mar 11 2007, 04:00AM
Location: Norway
Posts: 263
All this looks wonderful but there is one thing that I think that can be a problem. Because the MMC is enclosed in that box of plexy they might get a little too hot.
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My First SMALL DRSSTC (Now with 4X Secondary Length Performance)
