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I have finally got my tesla coil working and now I can start to
optimize. My biggest problem is that the 3 phase power line that feeds
my srsg motor picks up transients and shuts down the 3 phase driver
board. I used a shielded cable but it's still too noisy. When I measure
between the 3 legs my meter shows an uncanny 120.0 volts each. So my
plan is to multiply 120 by root 2 which is about 170, buy 6 tvs diodes
at slightly more, say 172 volts, and wire them up with a load - a small
light bulb. This way, when spikes threaten my driver board, the diodes
will vent them through the light bulb and I can see it flashing. Does
that sound reasonable?
I can still run my coil without the spark gap motor spinning my turning
the disk to orient the electrodes into firing position and running it as
a static spark gap. I put a small fan for quenching on one side and I
get 4 foot sparks from my pair of 15kv/60ma nst's. The problem there is
that I'm pulling about 31 amps and that's not sustainable. My
transformers have 200 uf of power correcting caps and an rf filter. If I
clean up the motor line enough to spin the disk I'm hoping that I'll
pull a lot less current. Any advice will be greatly appreciated!
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