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Forums
Engineering
Electrical Engineering
One more question on Tesla coils :)
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[QUOTE="fog37, post: 5631274, member: 503639"] Dear Forum, I have recently tried to understand how a Tesla coil works. A Tesla coil seems very similar to a regular transformer. Based on my understanding, a transformer is fundamentally composed of two inductors (with possibly a different number of windings) interlinked by an iron core. A transformer has many uses. Once of them is to step up or step down an input AC voltage (vice versa for the AC current). Tesla coils, which can wirelessly turn on nearly fluorescent lights, are said to be resonant transformers. [B]In what sense are ordinary transformers not resonant?[/B] The word "resonant" brings to mind an LC or RLC circuit which has a resonant angular frequency ##\omega_0= 1/ \sqrt{LC}##. So a transformer surely has an inductance L in virtue of the fact that it is composed of two inductors. I guess regular transformers, which seem to work any any frequency ##f##, actually work better at a certain frequency, the resonant frequency? Thanks! [/QUOTE]
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Forums
Engineering
Electrical Engineering
One more question on Tesla coils :)
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