[TCML] 1 Mhz ,1 kw
jimlux at earthlink.net
Mon Mar 23 20:39:42 MST 2009
Dex Dexter wrote:
> Hmm...very small sphere or toroid?
> That's not good I think.
> Very small top capacitance will degrade the performance further.
> Remember I want 1 Mhz coil to push to 1000 W .
> But thanks for the advice on caps.
> I really wanted to use MMC.
But you can't have too much top C, or the fRes will be pushed down.
Presumably, you want decent voltage, so the C can't be too big, either.
If Cpri is 0.01 uF (10,000pF), and you want 10 times the voltage out(a
few hundred kV, assuming you are running Vpri at 30kV), you need
Csec<100 pF. (Vsec/Vpri = sqrt(Cpri/Csec), since the energy stored in
Cpri eventually winds up in Csec)
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