Re: [TCML] Taming the Beast: Inductive Ballast vs. Variac, PFC

[David Dean <deano@xxxxxxxxxxxxxxxx>]

FYI I have repaired the errors and omissions 
The files you want should have a timestamp of 05/26/08 04:12 pm
That is eastern daylight time (UTC -4), 1 hour ahead of CDT which we have here 
in Texas.

On Monday 26 May 2008 12:31:05 pm David Dean wrote:
> I have a spreadsheet designed just for that type of ballast.
> It will calculate inductance and inductive reactance, as well as total
> length of wire, for each layer of a multi-layer solenoid using  Wheelers
> formula. It calculates some other things as well, like power lost in the
> ballast due to resistive heating, etc. but those are only valid for 240V in
> 14400V out transformer. I need to change that. If you insert a core of iron
> wires, or ferrite type material into the ballast, it will increase the
> inductance considerably, but the spreadsheet only does the air core
> calculations. That will allow you to play "what if" and see what you can do
> with the wire you have.
>
>  http://deanostoybox.com/temp/
>
> ballast.ods is the OpenOffice native format,
> ballast.xls is for Microsoft eXcel. If you do not have either, OpenOffice
> is free and can be found at http://www.openoffice.org/


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