Re: MOT current limiting shunts

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

Original poster: "Hydrogen18" <hydrogen18-at-hydrogen18-dot-com> 

If I remember correctly, current limiting shunts like the ones on MOTs are a
very complicated science that goes through alot of trial and error before
they get it right. Ohms law applies to all windings of a transformer. For
example, say we have a 240 VAC winding that draws 4 amps when the secondary
is shorted(secondary number of turns not important in this example). If we
divide volts / amperes = impedance we get 240 / 4 = 60 ohms. I'm pretty sure
that is the correct way to do that.

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, January 11, 2004 9:22 PM
Subject: MOT current limiting shunts


 > Original poster: John <fireba8104-at-yahoo-dot-com>
 >
 >
 > Hello all,
 >
 > A question for the ages, at least in this hobby. Is there any formula for
 > finding L of current limiting shunts in Mots ,or any other transformer for
 > that matter? Now, to clear up a bit of confession, are the shunts
 > equivalent to a inductor in parallel with a winding, as the name shunt
 > implies, or are they equivalent to series inductance, as what would be
 > desirable for a neon xformer in order to limit voltage after an arc is
 > started? Finally, after I've killed your love for the written word, to
what
 > winding is ohm's law applied?
 >
 > Thanks for at least reading this somewhat long post,
 >
 > John
 >
 >
 >


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