Hi DC and all,I'm tinkering with a dual MOT supply at the moment, and have a couple questions- You mentioned about the MOTs being similar or identical in design. I thought I'd read earlier here that it was ok to put the smaller of the two first in the series, feeding into the larger one. Also, re: control, I was going to put an amp meter in the line and then control it with a variac. Does this sound feasible? Is there any noticeable advantage to controlling with a power reactor vs. a variac? Thanks,
Neal.----- Original Message ----- From: "DC Cox" <resonance@xxxxxxxxxxxx>
You can use nsts just as they are for nice climbing arcs. They have internal current limiting. The MOTs require a series power reactor to limit the current. You can run two with the secondaries in series and primariesin parallel. I use a separate reactor on each primary leg to limit currentto 12-14 Amps. With two in series it gives a real powerful climbing arc. Also, be careful. The MOTs must be very similar or identical in design or you will get powerful circulating currents in the primaries which will blow your fuses or damage the MOTs. Dr. Resonance
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