Re: DC Tesla Coil
From: Alfred C. Erpel[SMTP:aerpel-at-op-dot-net]
Sent: Sunday, January 04, 1998 6:40 PM
To: Tesla List
Subject: Re: DC Tesla Coil
Greg and all
GL> The reactive power in any tank circuit is given by Ec x Fres,
GL> and the circuit will resonate only at that reactive power level.
GL> Ec will _always_ equal El at resonance by definition, regardless
GL> of the component values or frequency.
I'm lost because I don't know what EC and Fres above mean.
AE>> If so, then to resonate at 100,000 hz would require a capacitor of
AE>> .000001591 F and a primary of .000001591 H. This primary inductance
AE>> does not appear to be practical in a tesla coil.
GL>You are assuming that 1 ohm is the optimum surge impedance
GL>for the tank circuit here. In reality, Zsurge should be
GL>about 30 to 50 times higher than the Rgap, in order to
GL>obtain good performance.
I don't know enough to assume too much, just barely enough to know that
I don't know a lot.<smile> What do you mean by surge impedance and why
should it be 30 to 50 times the gap resistance?