[TCML] saturable reactors

["Neal Namowicz" <neal@xxxxxxxxxxxxxxxx>]

Hi all,
I've gone through several sites and found how to make the saturable reactors, but I'm curious as to a couple other things about them that I haven't seen mentioned. So, I figure I'd ask y'all.

I see them use low voltage DC to saturate, but could low voltage AC be used? If not, (I'm just curious) why not?

Can the existing secondary on a mot be used for the control voltage, rather than removing it and replacing it with many fewer turns of a heavier gauge wire? 

Why doesn't voltage created by the primary windings transfer through and fry the low control voltage supply?

One more, please, re: mots for ballasting-  I've come across one mot that's much bigger than any of my others. If one mot used as a ballast is not enough to bring the current down enough, could I use two? (I want to stay safely under 20 amp draw) If so, do I parallel them, put them in series, or does it really make a difference? 

Thank you to everyone for your responses,

Neal. 

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