Hook the current transformer leads directly to the scope. May want to add a resistor.
Sent from my iPhone
> On Jun 3, 2016, at 5:44 PM, Noah Anglin <noahbdanglin@xxxxxxxxx> wrote:
>
> Hello all,
> I think that at least someone might have had the problem that I do at the
> moment. I am building Eastern Voltage Research's reference design 1.0
> DRSSTC and need some help. I managed to get the bus circuit working
> properly at the intended 340 volts and have assembled the rest of the coil
> according to the schematic but am not getting any sparks. When I give the
> controller a signal, it does respond by lighting the MOD ACTIVE light
> according to the signal power and frequency but It does not appear to be
> driving the circuit at all. My IGBT is working (I tested it). I am also
> fairly certain that nothing else in the switching circuit is broken. Any
> suggestions for what might be wrong?
>
> I don't use oscilloscopes very often and therefore am unsure where I need
> to probe the circuit to get a current reading. I have an extra current
> transformer but have no idea how to hook it up with my oscilloscope.
>
> If anyone has any ideas on what I'm doing wrong it would help out a lot. I
> am trying to finish this before I graduate high school in two weeks. My
> brother and I started this DRSSTC project about a year ago and moved on to
> a fusion reactor before we finished the Tesla coil so the Tesla coil
> project got pushed to the side. Now that the fusion reactor is complete, I
> would very much like to finish this project.
> You might notice some of the other projects in my room. They include a
> laser turret, fusion reactor and a few spark gap Tesla coils. If you're
> interested here <https://www.youtube.com/user/musicman977/videos> is a link.
> Thanks!
> Noah Anglin
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