modified 6 years ago

Resonance weirdness

01:31:23

Load actually reduces the current draw. :)

published 6 years ago

PrathikP

6 years ago

Naturally. The resistors sap energy from the capacitor, preventing energy build up. It's called damping.

eekee

6 years ago

Energy build-up doesn't explain current draw. ;) I'm guessing it's something to do with the inductor and capacitor putting current out of phase with voltage, but I don't have a clear mental picture of it.

eekee

6 years ago

I'm more used to 'tanks' where the energy is independent of input.

kiani

6 years ago

Maybe if you thought about the impedance of the inductor and impedance of your load,, do they match for max. energy transfer!?

hurz

6 years ago

What is the problem in understanding? A pure resonance is like a spinning wheel, with every turn it gets faster (wrong analogie) more energy, in theorie it can store infinite amount of energy. The moment you put a resistor parallel you burn energy. BTW, the amount of energy you put into the resonance with every turn can be very very small, much smaller then you draw with a resistor later.

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