RE: [TCML] Looking for a nive plate transformer

["Jim Mora" <wavetuner@xxxxxxxxx>]

Hi David,

I grant you that a plate transformer won't saturate well into its rating. I
have a 5KV 3p plate transformer, but it hasn't moved in a long time since in
weighs in at >75 LBS :-) It has a core like a small pig. 

I have (4) 833a's and original Johnson heat sinks and sockets which are
getting rare. By the time I get to this, I'll have to get the neighbor kid
to move the transformer for me ;-) It's to be my can't do much other big
iron coil project. I have all the components along with the staccato
circuit. I also have a navy plate transformer if you are interested; it is
short of 5KV though without over volting it.
Jim Mora

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of David Rieben
Sent: Sunday, October 05, 2008 7:33 PM
To: Tesla Coil Mailing List
Subject: Re: [TCML] Looking for a nive plate transformer

Hi Greg, all,

MOTs are great when used for their intended purpose - to
drive the magnetron of a microwave oven. However, I would
have to agree with Phillip when it comes to their suitability as
power transformers for VTTCs. They are indeed built with
"just barely enough to get by" as far as core mass and cross
section vs. their VA or kVA rating. Think about it, a plate
transformer that had an equivalent ~2 kV @ 1 amp rating
to an MOT would likely be 4 to 5 times heavier that the
MOT.

David


----- Original Message ----- 
From: "G Hunter" <dogbrain_39560@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Sunday, October 05, 2008 9:22 PM
Subject: Re: [TCML] Looking for a nive plate transformer


> --- On Sun, 10/5/08, Phillip Slawinski <pslawinski@xxxxxxxxx> wrote:
>
>> From: Phillip Slawinski <pslawinski@xxxxxxxxx>
>> Subject: Re: [TCML] Looking for a nive plate transformer
>> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
>> Date: Sunday, October 5, 2008, 6:28 PM
>
>> Why go through the effort of putting MOTs in oil?
>> They're junk.  The cores
>> become saturated at 70V.
>
> Junk??  Your assertion about MOTs alarmed me so much, I went right to the 
> kitchen and microwaved a cup of tea.  Much to my relief, it got scalding 
> hot.  Phew...thought my oven wasn't going to work anymore for a minute 
> there!
>
> Greg
>
>
>
> _______________________________________________
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> Tesla@xxxxxxxxxxxxxx
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> 

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