Re: switched mode power supply

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: switched mode power supply
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Thu, 20 Mar 1997 23:51:50 -0600
• Approved: tesla-at-stic-dot-net

Subject: 
            Re: switched mode power supply
       Date: 
            Fri, 21 Mar 1997 08:36:11 +1200
       From: 
            "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Organization: 
            Wellington Polytechnic, NZ
         To: 
            tesla-at-pupman-dot-com


Hi Kenneth, 
             Would you elaborate please?

> I have had great difficulty in obtaining a cheap 2kw transformer,
> so my plan is to create a SMPS and step up the voltage. the idea i
> have in mind is a design that operates the switcher at the self
> resonant frequency of the module so i get max efficiency. has
> anyone tried this before ? How do the spark gaps and caps handle
> the 30..80khz input to them ? is anyone interested in the schematics
> of the SMPS ?

What module? You can run a switcher and feed the secondary like a 
magnifier. A number of people have done it. You don't need a gap.
Harri and Alan are experienced operators and Mark Barton has done it 
to about 8kW CW and around 40kW pulsed carrier. A low frequency 
resonator <<100kHz is the key to efficiency in the switcher.

Malcolm

---------------------------- Kenneth Aaron E-mail :
> kennetha-at-geocities-dot-com http://www.geocities-dot-com/SunsetStrip/8736/
> ----------------------------
> 
>

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