Re: MOT power supply

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

Original poster: "Brian by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ka1bbg-at-webryders-dot-net>

Hi, i run my 9kv 60ma at 155 v ac without any  problems but i dont recommend
doing that with a MOT. On a MOT there is little room left over before
saturation. cul brian f.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, November 16, 2002 3:06 PM
Subject: Re: MOT power supply


 > Original poster: "Peter Komen by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<pkomen-at-zianet-dot-com>
 >
 > Running the primary of any transformer at double the rated voltage will
 > result in saturation of the core and very high current draw without any
gain
 > on the output.  You might get away with running about 135V using a variac,
 > but I measured a couple of MOTs and the current went up considerably
between
 > 90V input and 120V input with no load (to 5 amps or so, I don't remember
 > precisely).  I didn't try higher input voltages, but pushing MOTs too much
 > won't work well.
 >
 > Regards,
 >
 > Pete Komen
 >
 > 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
 >  >
 >  >
 >  >
 >
 >
 >