Re: Solid State - progress.

• To: tesla-at-pupman-dot-com
• Subject: Re: Solid State - progress.
• From: harriman <harriman-at-metrolink-dot-net>
• Date: Tue, 11 Jun 1996 20:52:28 -0400

>Using the "zero-voltage-switching" of mosfets, its should be possible 
>to obtain drastically more power out of my setup.

0 Voltage switching is great for forward converters only.
The main disadvantages of this method are 
1. your not driving your secondary with a sine wave.
   so you loose power to the harmonics.
2. your fets need to be rated at 2-3 vin at least.


Im currently working on a small push-pull setup  150KHz 
I get 2-3 inch arcs with 5-6 amps at 20VDC

My plan is to use the output of my push-pull transformer to drive 
a tuned (150Khz) L-C filter tied to ground. This L-C circuit will then drive
the 
primary of my tesla coil magnifier style.

With the secondary under a load the L will limit the current.
With no load the Q of the L-C circuit will go high and drive 
the primary voltage through the roof.

Paul Harriman EE

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