Re: Current vs voltage in inductive balasting

To: tesla-at-pupman-dot-com
Subject: Re: Current vs voltage in inductive balasting
From: "flac600" <flac600-at-velocity-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Fri, 25 Feb 2000 16:54:55 -0700
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

on using that system try calculating the reactance and resistance using trig
it should help
-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Thursday, February 24, 2000 9:44 PM
Subject: Current vs voltage in inductive balasting


>Original Poster: "David Trimmell" <davidt-at-pond-dot-net>
>
>Hello,
>
>Now I should say that this is armchare stuff for me at this time, but is
>relevant to future work. Ok, while using a PT or other non-current limited
>transformer with series inductance on the primary hot line (120V), I
>noticed that current increases with applied voltage, just like one would
>calculate. But how would one limit a transformer to say, 300 mA,
>irregardless of voltage? Is a 60 mA NST only a full 60 mA at full primary
>voltage? I didn't think so. But I haven't measured it (yet). Also, when I
>used ~20 mH series L, I had a primary line voltage drop of ~25-30V, is
>this normal? I thought inductive ballasting was supposed to be esentially
>"lossless", but what causes tha voltage drop? Hope these questions are not
>to stupid.
>
>Thanks,
>
>David Trimmell
>