Re: A Ballast Mystery

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

Original poster: "Gregory Hunter by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ghunter31014-at-yahoo-dot-com>

> Ok, when you short the leads, the secondary of the
> welding transformer
> is essentially reflected through the turns ratio
> onto the primary of the
> welder. This happens in all transformers to a
> degree, bu really only
> notice-ably in high power factor tranformers, such
> as welders and pole
> transformers. Thus we can view the impedance for the
> primary coil as a
> combination of the two, and when you vastly decrease
> the impedance of
> the secondary the same thing happens to the primary,
> thus the large
> increase in current you see (the 7 amps to 28 amps
> you mentioned on your
> page).
> 
> 
> << Jason R. Johnson >>
> G-3 #1129
> The Geek Group
> http://www.thegeekgroup-dot-org/
> 
> "The two most common elements in the universe are
> hydrogen and
> stupidity."
>  -Albert Einstein
>
OK, I understand what you are saying. Makes sense once
somebody explains it--sort of like math!

Thanks, 


=====
Gregory R. Hunter

http://hot-streamer-dot-com/greg

_