Both work just fine seperate it's when you put them together it doesnt. I'm running my hot wire straight through meter to the NST'S. Spikes to bout 23 amps then holds around 18 amps when drawing an arc, haven't tried it powerin the tesla coil yet. I got my 10 50uf caps in. 5 caps keeps the current around 10amps no load and only goes to 12amps pulling arc. All 10 caps pulls 20amps no load and drops to 0 (zero) pulling an arc. I have confirmed it was not inrush current killing my variac fuses. Will have to redo when I get coil back together as I'm sure it will change.
John cooper
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-------- Original message --------
From: John Cooper <wt5y@xxxxxxxxx>
Date: 09/15/2015 00:41 (GMT-06:00)
To: tesla reflector <tesla@xxxxxxxxxx>
Subject: [TCML] current transformer help
I got the current transformer and the panel meter combo. Meter is scaled for 0_50 amps. I got a 50/5 current transformer.
Label shows
Primary 50 A 5/3.75VA
conductor through 1 T Class 0.5
secondary 5A 50/60HZ 660V
2 screws on top S1 S2 Label. I have these wired to the meter( no markings on meter just 2 bolt terminals)
for the through hole its labeled P1 on one side and P2 on the other. I tried both directions through the hole, not sure if this mattered?
I also tried everything between 1 loop ( just the wire through the hole once) up to 4 loops( wrapped 4 times through the big hole) I believe for every turn through a smaller current through the wire Im measuring would throw the meter movement more?
409-499-7434 I can text pics or email pics too if needed.
it came from china so no instructions, none that I could read or pics.
I had my 3 12kv/60ma NST’s phased together, drawing big arcs just shorting the terminals together to try to get the meter to move. It would barely flinch. Do I need to try again with them hooked to the tesla coil like normal operation? was hoping to get this meter figured out before.
If I was to use my dmm instead of the panel meter, I would set my probes up for a current reading on the 10a scale and probe across the 2 screws on top, the most I would see is 5amps for 50 amps through right?
John Cooper
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