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Re: MOT power supply



Original poster: "S & J Young by way of Terry Fritz <twftesla-at-qwest-dot-net>" <youngs-at-konnections-dot-net>


Mark,
The only way to safely run 120 volt MOTs from a 240 volt supply is to run
the primaries of two (preferably matched) MOTs in series.  MOTs start
saturating at around 100 volts.  Higher than that the current starts rising
dramatically, even with no load.  At 240 volts, you will quickly end up with
a smoking hot transformer that may catch fire and/or trip a breaker.

NEVER hook one 120 volt MOT to 240!

--Steve Young

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, November 15, 2002 9:05 PM
Subject: MOT power supply


 >
 > Original poster: "Mark Rossman by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<marossma-at-oakland.edu>
 >
 > Has anyone built an MOT power supple with an imput voltage of 240v  with
 > transformers that came from a 110 volt microwave. Im assuming that the
 > primary windings could easily handle the higher voltage, but i thought id
 > ask before i hooked it up.
 >
 > Thanks a lot
 > Mark
 >
 >
 >