Re: An SSTC simulation

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

Original poster: "Dan Strother" <dstroth-at-hotmail-dot-com> 

Ah, very interesting. The circuit and concept look great, but there is one 
thing bothering me: Won't dynamically tuning to the secondary coil cause 
the MOSFETs to dangerously hard-switch a lot of current in the primary circuit?


Dan Strother



>Original poster: Kchdlh-at-aol-dot-com
>
>Fundamentally, yes: series-resonant primary, parallel-resonant secondary.
>But my scheme a) uses resonant storage-capacitor charging while Jimmy's 
>does not and b) incorporates "dynamic" control of the tuning.  Also, I 
>don't believe Jimmy's storage capacitors are necessarily fully discharged 
>every mains cycle.  So perhaps they'd last a whole lot longer!
>
>In regard to my amplifying circuit, I'd like to point out something I just 
>realized.  There's no need to have the U1 EX-OR in the circuit: regardless 
>of the phasing between primary and secondary, feedback will be positive 
>during one of the two mains half-cycles; doesn't matter which one.
>
>Just slap any old secondary onto it and it will take off!
>
>Ken
>