[TCML] 1 Mhz ,1 kw
jimlux at earthlink.net
Sat Mar 21 08:55:26 MST 2009
Dex Dexter wrote:
> I'm considering making a very high frequency (spark gap type) coil with decent power level.
> Resonant frequency at least 1 Mhz and power input about 1000 W.
> Can someone give me advice and recommend design parameters for this?
Tough at that power level with a spark gap. Run some numbers with the
spreadsheet or JavaTC and see what kinds of primary L&C. You'll need
small L and small C to get to 1 MHz fres. But, you also need high
energy per bang to get your kilowatt. That means high voltage on the C
(1/2 C V^2) which makes all kinds of design trouble with insulation and
Losses will also be higher (both in dielectric and IR losses, because
skin depth is small).
There's a reason why folks use big tubes for kW power levels at MHz
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