Re: MOTs & Thoughts

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

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

Now try it with a resistive load of some sort...

Say 200 Watts ( =100 mA -at- 2kV.. 2Kohms)

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, July 22, 2002 6:52 PM
Subject: Re: MOTs & Thoughts


> Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>
>
> Hi Ken,
>
> I hooked up my MOT with a current monitor on the input and looked at the
> input and output voltages with no load on the output of the MOT.
>
> http://hot-streamer-dot-com/temp/P2002-7-01.jpg
>
> Here are the input voltages (top) and input current (bottom) at 90, 100,
> and 110 VAC:
>
> http://hot-streamer-dot-com/temp/Ken90Vin.gif
>
> http://hot-streamer-dot-com/temp/Ken100Vin.gif
>
> http://hot-streamer-dot-com/temp/Ken110Vin.gif
>
> After 90 volts AC, the input current suddenly starts to grow these big
> spikes.  Since they are 90 degrees out of phase (sort of), the power is
> probably low (I should have pushed the power button on the scope...**)
>
> Here is the output voltage and input current:
>
> http://hot-streamer-dot-com/temp/Ken90Vout.gif
>
> http://hot-streamer-dot-com/temp/Ken100Vout.gif
>
> http://hot-streamer-dot-com/temp/Ken110Vout.gif
>
> As I turn up the voltage, the output voltage seems to be hitting some
> ceiling in that it suddenly does not want to go much higher.  Seems to be
> saturating to me ;-)
>
> I wonder if this action could be beneficial in a microwave oven for some
> reason.  I don't think it would have been very hard to fix this if they
> wanted too.  It seems to be deliberate.
>
> -------
>
> **Realizing I missed a golden opportunity to push buttons, I went back and
> found the power input:
>
> http://hot-streamer-dot-com/temp/Ken80p.gif
>
> http://hot-streamer-dot-com/temp/Ken90p.gif
>
> http://hot-streamer-dot-com/temp/Ken100p.gif
>
> http://hot-streamer-dot-com/temp/Ken110p.gif
>
> Vin Real Power
> 80.3 28.87W
> 89.7 36.19
> 99.3 45.41
> 110 57.72
>
> So it is only burning about 60 watts at 110 VAC.  Saturating, but the
> current is still mostly 90 degrees out of phase so the real heating power
> is low.
>
> Cheers,
>
> Terry
>
>
>
>
> At 07:10 PM 7/22/2002 -0500, you wrote:
> >I want to see the voltage and current waveforms of these so called
> >"saturated" transformers. Show me clipped output voltage waveforms at no
> >load.
> >
> >do these "saturated" transformers dissipate 600 watts of heat?
> >
> >KEN
> >
> >
>
>