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Author Topic: Magnapack  (Read 18580 times)

tim123

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Re: Magnapack
« Reply #30 on: September 02, 2013, 09:52:25 AM »
New thread started on the Rotary Transformer... :)
http://www.overunity.com/13777/tinmans-rotary-transformer/
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poynt99

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Re: Magnapack
« Reply #31 on: September 02, 2013, 06:35:52 PM »
Quote from: MileHigh on September 02, 2013, 12:02:10 AM
Bill:

My suspicion is that the neo magnet reduces the energy storage capacity of your JT core.  In other words, it lowers the effective inductance of the core + coil arrangement.  That should tend to make the JT oscillator run at a higher frequency.  Some bench tests could be done to see if an approaching neo will do that to the core.

MileHigh
MH is right. Bringing a magnet close to the core will bias (polarize) the core causing its permeability to decrease. Hence the inductance of the coil decreases.
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