Have you tried reversing the direction of the primary coil. Or reverse the connections of the primary feedback transformer. Hope it works!
Brian
Sent from my iPhone
> On Jun 3, 2016, at 5:46 PM, Noah Anglin <noahbdanglin@xxxxxxxxx> wrote:
>
> Here <https://goo.gl/photos/zKBpjberWMZARZM2A> is the video I forgot to add
> of my trying to operate the Tesla coil.
>
>> On Fri, Jun 3, 2016 at 3:44 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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