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Overunity Machines Forum



Selecting the right L/C ratio for tank coils

Started by Thaelin, January 27, 2021, 09:40:31 AM

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0 Members and 1 Guest are viewing this topic.

AlienGrey

Quote from: Magluvin on April 05, 2021, 07:09:16 PM
Well according to Tesla, you would want your resonant freq to be low. From what I understand, 50khz and up will radiate magnetic energy that you cant get back into the system. Loss.  So large inductance and small capacitance would be a criteria to follow.
Mags
Morey used 31.5 khz do you see a pattern here why he used this frequency ?

sollaris1989

Quote from: Thaelin on January 27, 2021, 09:40:31 AM
   Since many different values of L/C can be used for the same frequency, how do you select the best pair for a given frequency?  I am working in the 20 to 80 khz area.


thay

Hello buddy.
Lots of L/C can resonate at 80 khz.
You can have a 30 turn inductor that resonates at that frequency..or you can have a 200 turn inductor.
More turn = more voltage peak.

What do you need? ...You question was kind of short....What do you want to do ?
Thank you.
PS:....At resonance the square wave is transformed into PURE SINE...PERFECT SINE wave....so it is not only about the peak voltage.

NdaClouDzzz

Quote from: sollaris1989 on April 06, 2021, 06:06:56 PM
At resonance the square wave is transformed into PURE SINE...PERFECT SINE wave....so it is not only about the peak voltage.

Easy/cheap way to make a pure-sine inverter?

Thaelin

  Thanks to all here for their answers. An old ham radio guy gave me the answer I needed.  Pick the frequency you want, pick the best coil value that gives you the best Q value and then select the cap  to add.


thay