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Old 01-20-2015, 04:37 PM  
Tom.K
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Join Date: May 2011
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Quote:
Originally Posted by ~Ray View Post
Thank you for the information. That is the 10mm spark induction box I have at home.

If I cannot control the frequency and voltage of a spark gap. Can I control the frequency of a tesla coil? Can I make it discharge into the air at whatever frequency I choose? I see some tesla coils playing music, so I know the frequency can be controlled, but, how low of Hz can you go before it stops discharging? Will a Tesla coil work @ a frequency of 1hz? 1 discharge into the air per second.
That what I wrote, was about input voltage and frequency. And I didn't say that you can't control it, just is not so simple, you need controller. Small frequency controllers, like those VFDs, you can buy for 100$. You need high frequency for tesla coils so you will need some kind of oscillator, actually power supply with high frequency. You can make it from MOSFETs and other cheap parts. Check here, this guy explains a lot:

High Frequency Solid State Tesla Coil
and this one explains how to control that with music: Musical Tesla Coils

here you have some info how tesla coil works: How a Tesla Coil Works | Science Brothers

if you want to design your own, you need to understand how that thing work (not only tesla coil, but from basics, how transformer works, how you control voltage, supply with transistors, why is there capacitor and what it does

it's pretty interesting, but if you don't have some electrical education, you will need some time to understand how that works. but if you just want to build some toy which will spark around, just follow some instruction on some of those sites which shows you how to do it

and keep on your mind, those things can kill you or burn you properly so keep your nose away (arc on face from 20 000 V is not pleasant) when is on and before touching, check 5 times

honestly, if you have spare time or you are bored, why you don't get drunk like normal people that experiments can kill you
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