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Build your own HV transformer
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- Subject: Build your own HV transformer
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- Date: Fri, 08 Apr 2005 19:28:50 -0600
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Original poster: Sebastiaan Draaisma <sebas@xxxxxxxxxxxxxxxx>
Chiang Mai, Saturday, April 9, 2005
In reply to: About MOTs..
Posted on: Saturday, April 9, 2005
That sounds interesting! Would you like to share your knowledge on how to
build your own transformer, I have been looking on google but, not much
information in the first 100 results :)
I already wanted to experiment with trying to rewind the secondary of a
MOT, but if you had success building your own in a different way, I rather
try that approach.
Tesla> Original poster: Steve Ward
Tesla> On Apr 8, 2005 9:39 AM, Tesla list
>> Original poster: Jim Lux
>> You'll never get that, not because of breakdown, but because the
>> the second transformer will be horribly saturated by putting 2400V on it.
>> I doubt you could put 150V into a MOT without encountering saturation.
Tesla> Hah, 150V? try 120V. Most of the MOTs ive played with start
Tesla> saturating at about 90VAC input. They typically have a power factor
Tesla> of .12 at full input voltage, though this was with an open circuit on
Tesla> the HV secondary. I think the PF might have gotten up to .4 or so
Tesla> with a heavy load... still junk in my opinion. I guess im lucky
Tesla> enough to know how to use silicon (IGBTs) and ferrite to make my HV
Tesla> transformers... 6kVA at about 10 lbs ;-) and no, they dont saturate.
Tesla> Steve Ward