In this project I build four open source PCB based dual resonant solid state Tesla coils and go into some basic theory behind Tesla coils.
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Niklas' Hackaday Post: hackaday.io/project/165112-pc...
Niklas' github: github.com/NiklasFauth/pcbtc
Niklas' RU-vid: / highvoltageflash
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Intro - 0:06
Theory (Ampere's Law) - 1:23
Theory (Faraday's Law) - 1:51
Theory (Mechanical Resonance) - 2:55
Theory (Electrical Resonance) - 4:44
Theory (Mech vs. Elec Resonance) - 6:25
Block Diagram (Pseudo Schematic) - 6:53 CORRECTION
The block diagram misrepresents how feedback has been implemented. The coils operate in a self resonant mode and can self adjust for changes in resonance by sensing the current in the secondary through the shunt resistor, and feeding this signal back as positive feedback to the drive circuit. The STM32's PWM audio signal serves as the interrupter signal by enabling/disabling the triple AND gates within the dead-time circuit. (V1.6 schematic)
Build (Electrical) - 8:09
Build (Mechanical) - 8:27
Final Demo: 9:30
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Song played on Tesla Coil:
"We are Number One" - LazyTown
23 июл 2024