Re: Current limiting?

To: tesla-at-grendel.objinc-dot-com, KLINEDA-at-univscvm.csd.scarolina.edu, QUANTUM-at-univscvm.csd.scarolina.edu, Rondog-at-hevanet-dot-com, WMEYER-at-scientia.up.ac.za, bhaley-at-shore-dot-net, frerichs-at-zfe.siemens.de, froula-at-cig.mot-dot-com, haba-at-snakemail.hut.fi, jetter-at-ix-dot-netcom-dot-com
Subject: Re: Current limiting?
From: Esondrmn-at-aol-dot-com
Date: Thu, 18 Jan 1996 15:51:53 -0500
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In a message dated 96-01-17 23:23:04 EST, tesla-at-grendel.objinc-dot-com writes:

>Subject:      Re: Current limiting?
>
>>  An inductive load (ballast) is used to limit the
>> current without limiting the voltage - uising inductive reactance not
>> resistance.  This controlls the current into and out of the transformer
>> without reducing the voltage - there actually will be a small voltage 
>> drop across the ballast due to the resistance of the wire.
>
>I think that an inductor does induce a voltage drop that is proportional 
>to the impedence times the current, in addition to and directly 
>analogous to the resistive voltage drop, V=I*R.
>
>
>Steven Roys (sroys-at-radiology.ab.umd.edu)
>
>

Steve,

True.  In this case, with the welder wide open (at what I think is about
15mh) the inductive reactance would be 5 or 6 ohms - which is probably why I
need to put 6000 watts of oven elements in parallel with it to get my primary
current up to 40 amps.

Ed Sonderman