Re: High Inductance Secondaries and DRSSTCs

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 



Do you plan on running this coil with 120 VAC rectified, or using a voltage
doubler on either 120 V or 240 V?

Toroid size?

Dr. Resonance


 >  >
 >  > Does anyone remember the discussions that were awhile back regarding
 >  > high number of turn secondary coils???
 >  >
 >  > I'm currently designing my secondary coil for my "Psychosis Coil"
 >  > which will be 48" winding length, 25 AWG, on a 12.5" Dia. coilform.
 >  > About 2700 total turns.  Total Ls of the secondary is about 440mH and
 >  > resonant frequency of the entire secondary / toroid assembly is about
 >  > 30kHz.
 >  >
 >  > Right now, the only bad thing about this is i will need a larger
 >  > number of primary turns to get down to the resonant frequency I want
 >  > (i plan on using about a 0.3 to 0.4uF primary capacitor)
 >  >
 >  > Anyone else see anything troubling with my secondary???  I can't.  I
 >  > should have probably used a larger gauge wire (maybe 22 AWG), but i
 >  > just bought a 68 LB spool of this 25 AWG stuff.
 >
 > Nothing too major but the losses won't be the lowest. The wire
 > diameter is barely 1 skindepth at 30kHz. It'll work.
 >
 > Malcolm
 >
 >
 >