 mot powered tesla coil cap question
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lokeycmos
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Thu Sept 06 2012, 12:12AM
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Registered Member #2553
Joined: Fri Dec 18 2009, 01:36PM
Location: St Cloud Minnesota
Posts: 97
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for my second tesla coil i would like to build a MOT powered coil. my first question is, how do i calculate the optimal resonant capacitor if i dont know the exact voltage and current rating of the MOT? when i built my NST coil there was a label with the voltage and current ratings that i could type into TeslaMap(the software i used to calculate my parameters)
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Dr. Dark Current
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Thu Sept 06 2012, 11:16AM
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Registered Member #152
Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384
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Hi, use 2300Vac, you will most likely need to limit the current on the primary side of the transformer.
PS. One MOT alone is not really enough for a TC. You might want to at least double it and use a DC resonant charging circuit to get 12kV on the caps.
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lokeycmos
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Sun Sept 23 2012, 12:04AM
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Registered Member #2553
Joined: Fri Dec 18 2009, 01:36PM
Location: St Cloud Minnesota
Posts: 97
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to accurately calculate the optimum tank capacitor i need to know the current rating of the MOT. What is the best way to calculate this? what do i use as a load when measureing the current with clamp on ampmeter? or can i just use the short circuit current reading?
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