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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>

J Whyte,

Plan is OK - a few others have done it.  Search the archives for specifics.
The MOTs have magnetic shunts, but they aren;t all that effective to keep
the primary current reasonable.  You may need some extra ballast, which can
be some more MOTs with shorted secondaries, or an arc welder.  Only the 2
MOTs that are floating above ground need the oil bath for insulation, but
all 4 in the oil will help dissapate heat better.  MOTs are skimpy on the
core size usually, and they will draw many amps with full voltage in and no
load.  PFCs help some.  In the meantime, keep looking for a deal on a pig or
PT.
--Steve
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, December 18, 2001 6:52 PM
Subject: MOT power supply?


> Original poster: "J Whyte by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<xoom321-at-hotmail-dot-com>
>
> I was thinking of using 4 (1.1 kW rated) 120V MOT's in series for
increased
> voltage, I will run them off 240V to achieve
> (10 kVAC+ -at-440 mA). The MOT's may need to be submerged in transformer oil
to
> prevent insulation breakdown----so thats what I was planning on doing.
>
> How does this plan sound so far? Will the transformers hold up? Is my plan
> flawed???
>
> I want long powerful sparks! But I really don't want to run out and pay
$700
> for a pole transformer!
>
>
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