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Re: Permanent magnet Tesla coil



Original poster: Ed Phillips <evp@xxxxxxxxxxx>

"I know that , but why do the 50khz versions weigh so much and are so
bulky? Iron losses at that frequency?

Mike"

	Two problems there.  First, I read  50 Hz when I should have read 50
kHz, so my original remark addressed the wrong topic.  More to the
point, were you talking about a 50 kHz ROTATING machine?  I don't think
there's anything like that around these days, but could be wrong.  All
of the high-frequency power supplies that I'm aware of involve
oscillators and power amplifiers, formerly high-power tubes and now
solid state.  Those could be big and heavy.

Ed