 Little SSTC IR2153 driven
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vasil
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Registered Member #229
Joined: Tue Feb 21 2006, 07:33PM
Location: Romania
Posts: 506
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I've just built a little demonstration SSTC. Here is its story:
- IR2153 driven
- half bridge of STGW30NC60W IGBTs
- 230 V full rectifyed input
- 25 cm long secondary with Fres around 194 kHz
- up to 20 cm streamers (enough for a demonstration coil), but full CW
The Fres can be lowered more with a little toroid. Lower resonant frequency of the secondary = better stability of the discharge when different objects are getting near the topload.
The schema is not original, I took it from here (thanx danyk):
http://danyk.wz.cz/sstc4.html
A few construction pics:
- cooling fans for the bridge, the switches, low voltage xfrm and the mains filter:
- instaling the bridge and the driver:
- manual winding of 1700 turns with 0.09 mm wire on a 11 cm diameter PVC pipe (bleah..)
- the wire was to thin to solder so I used some alu tape:
- varnishing and drying the secondary:
- making the terminal caps from veroboard after removing the copper layer:
- the primary is put in place:
- the whole thing:
The results:
-without toroid:
http://www.youtube.com/user/teslina#p/a/u/1/Xmy24DULYOY
-with a little toroid hoter arcs:
http://www.youtube.com/user/teslina#p/a/u/0/EgIg10HxZqM
A new toy to play....weeee...!
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Coronafix
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Registered Member #160
Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
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Cool Vasil, I like it a lot!!
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