Hi all,
I want to resonantly charge a capacitor, i.e. using a coil and diode instead of a resistor, in a very short period, which means a high current at high frequency.
The problem is the coil. I read that at high frequency AC you get to deal with the skin effect, and also the proximity effect, which cause the current to be concentrated in the outer layer of the conductor. This would strongly increase the actual resistance of the coil when compared to DC conditions, and I would need to use much thicker wiring.
So I’m not really clear if these effects apply to my coil. On the one hand the current through the coil *is* strongly time-variant (a half sine wave); on the other hand it never changes direction: it’s still DC. Does anybody know if skin and proximity effects do or do not apply here?
Thanks!
I want to resonantly charge a capacitor, i.e. using a coil and diode instead of a resistor, in a very short period, which means a high current at high frequency.
The problem is the coil. I read that at high frequency AC you get to deal with the skin effect, and also the proximity effect, which cause the current to be concentrated in the outer layer of the conductor. This would strongly increase the actual resistance of the coil when compared to DC conditions, and I would need to use much thicker wiring.
So I’m not really clear if these effects apply to my coil. On the one hand the current through the coil *is* strongly time-variant (a half sine wave); on the other hand it never changes direction: it’s still DC. Does anybody know if skin and proximity effects do or do not apply here?
Thanks!
