I've been spending some quality time reading through a fine old book of
Magnetic Amplifier Engineering, by Attura, (c) 1959
Anyway - this book describes the basics of a little-known-today
component called the saturable reactor. Looks like if I had one I could
build a quite-unkillable pig controller out of it!
Here's my question - I have access to several tape-wound transformer
cores of the 220v 20amp variety (medical grade isolation xfmrs). Does
anyone have a clue if this core material would have the required
"square" B-H curve required to make a decent mag amplifier? I'd love to
try this sometime, and am thinking this might be the time! :) It was
also suggested that variac cores might be suitable for this - comments?
I'm also wondering if there'd be room to wind control windings around
the shunts of a NST. This would create another form of saturable
reactor - similar to the large ones used in the TIG welders of the
1970's and before...
-Always amazed at what our ancient predecessors were able to engineer!
-Bill (reverse engineering the world for my amusement)
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