 The good and old miniSSTC
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vasil
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Mon Feb 28 2011, 05:07PM
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Registered Member #229
Joined: Tue Feb 21 2006, 07:33PM
Location: Romania
Posts: 506
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Hi forum
Had a little vacancy and put together a miniSSTC (Steve Ward' well known schema). It is intended to be a little presentation coil, built for endurance rather than big sparks.
-full bridge IRFP260N
-old secondary with Fres < 200 kHz
-8 turns primary with trifilar conductor (a balance between enough turns to keep the FETs cold but big section conductor and high coupling to get solid discharges)
-big GDT with 16 turns to avoid saturation at high pulse width
-variable pulse width and pulse rate
-it has not an own antenna. The signal input is connected through a cable to a metalic object in my room (see in the picture).
-110 Vac input for safe runing
At high PW the arcs are hot enough to burn the alu foil from my little toroid. Too pity I have not a smooth aluminium toroid.
Low pulse width, high pulse rate
High PW, high PRF
Enjoy
vasil
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radhoo
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Registered Member #1938
Joined: Sun Jan 25 2009, 12:44PM
Location: Romania
Posts: 701
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vasil wrote ...
It is intended to be a little presentation coil, built for endurance rather than big sparks.
Wish my tesla coil would perform that good! :)
Nice project, Liviu, thanks for sharing!
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