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an adjustable toroidal transformer
an adjustable toroidal transformer
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Old 2nd March 2011, 12:28 AM   #1
moperformance is offline moperformance
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Join Date: Feb 2011
Default an adjustable toroidal transformer

Has anyone ever heard of a way to make a gapped toriodal adjustable/tunable on the fly? with a 104 mil gap the target inductance is 40 mH after the primary is wound. 300T 20 gauge with 29 turnes 11 gauge. we are putting out 3500 watts rms into a ceramic array. The array specs change at depth hence the need to tune to the different specifications of the changing array.
Thanks in advance for any help,
Bill
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Old 2nd March 2011, 01:14 AM   #2
Andrew Eckhardt is offline Andrew Eckhardt  United States
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Of course toroid is the goto format for fixed applications. Have you looked into pot cores? What is the frequency?

Last edited by Andrew Eckhardt; 2nd March 2011 at 01:16 AM.
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Old 2nd March 2011, 11:03 PM   #3
moperformance is offline moperformance
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950hz modified sign wave output. it's being driven by a 32 kHz PWM on the high side of a H bridge. Thanks for the reply ;D
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