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Re: Ballasting ..... Again



At 16:39 23/10/98 -0600, Ed Sonderman wrote:

>Good job on the home made transformer.  Maybe you could go into business
>making these for all of us:)

Oh, let me tell you ........ NOT FOR A WHILE ;-)

I've have posted a pic of the finished unit, actually quite pleased with
myself ;-)

http://www.cobweb-dot-com.au/~dkfinnis

>I agree with D.C. Cox, you want somewhere in the
>neighborhood of 10 to 30 mh of inductance.  I use a 5000 watt variac rated at
>41 amps and did not cut the core - although I think it needs to be cut
because
>I can here it groaning and believe it is very close to saturation.  I am only
>using about one half of it and running at about 35 amps.  I also use 3.2 ohms
>of series resistance and would suggest you start with some and try different
>combinations of inductance and resistance to get the control that you want.

Thanks,


Mark

http://www.cobweb-dot-com.au/~dkfinnis