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Re: MicroWave oven Transformer



Tesla List wrote:
> 
> Subscriber: pylon-at-nwlink-dot-com Sun Jan  5 20:46:33 1997
> Date: Sat, 4 Jan 1997 19:45:16 -0800 (PST)
> From: James <pylon-at-nwlink-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: MicroWave oven Transformer
> 
> I just recently disassembled an old microwave (circa 1983?) and I got an
> old 15+ lb transformer out of it that is used to drive the magnetron. It
> has two secondaries, one for the magnetron filament, the other for the
> magnetron drive. I don't know what the exact outputs are, but I also took
> out a 1 MFD, 2000V oil-filled cap (Yes, i discharged it before i touched
> it...;) that the Drive section of the secondary was connected in series
> with. The wire in the secondary is fairly heavy (~16 ga on the filament
> winding, ~22ga on the drive winding) My question is: Since this is a fairly
> low-voltage transformer (i guess about 1000-1500V), but the current rating
> must be fairly high, because of the size of the wire in the secondary,
> would it be suitable for a tesla coil? It doesn't have any current limiting
> shunts on it, so would I have to put something on it to limit the current?
> Also, would the cap I retrieved from the oven be suitable for
> pulse-discharge experiments? If the x-former isn't suitable for tesla work,
> could I use it for a pulse-discharge supply?
> 
> Thanks,
> 
> James.....

James -

  This type of transformer works great in a tube coil -- I am using
one in my twin-805 triode powered coil. Works great! Typical values
are 1200 - 1500 volts on the HV winding -at- 300-500mA. Too low a voltage
for a spark-gap system though.

- Brent