 MOT ballast..
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HV Enthusiast
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Registered Member #15
Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
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Myke wrote ...
Ok sorry. I thought it would be safer not grounding the core. I'm not touching the HV output it is just that I thought if you brushed accidentally up against the HV you wont get zaped from being part of the ground or near the ground.
With a MOT, i can almost certaintly guarantee that if you brush up accidentally to the HV output, it will kill you, or at the least cause you to stop breathing.
Don't even think of touching or going near a MOT while its operating.
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kywalda
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Registered Member #636
Joined: Tue Apr 10 2007, 09:34AM
Location: Kassel, Germany
Posts: 3
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I put some microwave-oven-caps in row as capacitive ballast. I had 4 mots to get 8600V at a power of 4KVA. So i limited the current to 0.47A what results to 18KOhm. So my caps had to be 0.17 uF ( C= 1 / (2 * pi * 50 Hz * 18 KOhm).
This could be realised with 6 microwave-caps (1uF at 2KV each) in a row.
But i was not happy with this. After a few seconds there were sparc-overs between the hv-coil and the core - even under oil 8-(
Now i'm using voltage-doubles with very good results.
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