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Topics - Platinum

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1
Transformer (ferrite core) / Homemade flyback on 60N60DLF full bridge
« on: February 10, 2019, 08:36:12 PM »
Hi guys as we all love arcs I thought I'd share a video of my homemade flyback running at about 3Kw from a isolation transformer off a full bridge of 60N60s

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Excuse the M10 bolts  ;D I lashed it up quick to see some arcs

2
Electronic circuits / Chinese DRSSTC driver woes...
« on: January 31, 2019, 09:03:59 PM »
Hello everybody, recently I purchased a Chinese DRSSTC driver from AliExpress, 10days later I recieved it. I'm am sure it is faulty and wondering if anybody can help find the fault. There is no oscillations at all with various primary coils, I have checked the voltage regulators for the drive ICs so far and are correctly working, supply voltage is up to 311v and the seller recommends a variac rectified with stleast 2kw output. I have so far tried up to 90v (seller says 40v produces 30mm arcs, 150v 300mm) 90v is supplied by a boost converter and the full bridge of 500v 20a FETs don't pull any current, even when disconnected the capacitors from my boost converter don't even drain so no current pull at all

Any recommendations as to find what's going on? Thanks

https://www.aliexpress.com/i/32913086209.html

3
Solid state Tesla coils / SGTC secondary used in SSTC mode?
« on: January 24, 2019, 05:29:44 PM »
Hello HVF, recently I made a secondary coil using 110mmOD drain pipe, 0.24mm wire with about 1200 turns, height diameter ratio is about 1-4 as I originally intended to use it as a medium sized SGTC of around 3kw. Now I'd like to use it in solid state mode and was wondering if I could use it at all and would I run into any problems?

Also as a additional question is there any decent full bridge driver I could buy as I'm struggling for time to build one as I have a newborn daughter

Thanks in advance


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