Re: [TCML] Current control

[bunnykiller <bunnikillr@xxxxxxx>]

Hey Paul...

What size piggie do you have? My personal preference would be to 
paralell the variacs for voltage control and set up a large inductive 
core ( EI type) and set the inductor to the maximum current you want to 
use and use the variacs to lessen or increase the voltage to the piggie. 
I never did understand why one would put full voltage to a piggie at a 
minimum current....

Scot D


Paul McGlen wrote:

> Hi ,
>
> Another question for the knowledgeable out there.
>
> I am building a 10-inch coil driven with a distribution transformer. I plan to use two 45 Amp variacs, one to control the voltage and the other to control the current. Am I correct in thinking that to control the current I take a feed in from the output of the variac controlling the voltage and feef it into one end of the winding of the current variac and the wiper woul still be my output? 
> If not can anyone give me a schematic showing the correct way. Also is there any benifit in putting a large inductor in line withe the variac that controls the current ( I do realise that this would be two inductors in series), but could I use the fixed one as a limiter?
>
> Paul M.
>
>
>
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