Re: [TCML] Different sort of MOT

["Paul Brodie" <pbbrodie@xxxxxxxxxxxxx>]

Do these new type microwaves have IGBT's in them? It seems I remember 
someone telling me that they have some very useful IGBT's.
Paul
Think Positive
----- Original Message ----- 
From: "Bill Noble" <william_b_noble@xxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Tuesday, December 08, 2009 11:19 AM
Subject: Re: [TCML] Different sort of MOT


> these are useful for things like laser power supplies
>
> --------------------------------------------------
> From: <mrapol@xxxxxxxxxxx>
> Sent: Tuesday, December 08, 2009 8:05 AM
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Subject: Re: [TCML] Different sort of MOT
>
> > Thanks for your reply. I am welll supplied with the usual power 
> > supplies--NSTs, an OBIT, and a Ruhmkorff coil, so I don't feel the need 
> > to mess with this item. I shall tear it down for parts.
> >
> > Paul
> >
> >
> > ----- Original Message ----- 
> > From: "Jim Mora" <wavetuner@xxxxxxxxx>
> > To: "'Tesla Coil Mailing List'" <tesla@xxxxxxxxxx>
> > Sent: Tuesday, December 08, 2009 2:28 AM
> > Subject: RE: [TCML] Different sort of MOT
> >
> >
> > > This is an Inverter supply. The output is voltage doubled and runs at
> > > several KHz. I made a voltage tripler attached to one of these with a
> > > switching of the output diodes as a cap charger. Be carefull with this 
> > > as it
> > > is quite dangerous. To bad the frequency isn't a bit higher.
> > >
> > > There is a schematic of a Panasonic inverter and theory of operation
> > > somewhere on the Inet. I have it in my archives somewhere if you are
> > > interested.
> > >
> > > Jim Mora
> > >
> > > -----Original Message-----
> > > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On 
> > > Behalf
> > > Of mrapol@xxxxxxxxxxx
> > > Sent: Monday, December 07, 2009 3:18 AM
> > > To: Tesla Coil Mailing List
> > > Subject: [TCML] Different sort of MOT
> > >
> > > Like many other I expect, I harvest parts from cast-off microwave ovens. 
> > > I
> > > don't usually bother with MOTs as power sources, but I found an unusual 
> > > one
> > > I am curious about.
> > >
> > > Yesterday I got a working Panasonic oven, and the transformer is a light
> > > item with a plastic frame, a few turns of braided primary and a few more
> > > turns of secondary around a simple ferrite D shaped core. (It looks more
> > > like an old flyback than the standard MOT). Its mounted on a circuit 
> > > board
> > > with an imposing array of resistors, diodes, and film capacitors.
> > >
> > > Is this of any use in our hobby, other than to tear down for parts?
> > >
> > > Paul
> > >
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> > >
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