Author Topic: 2 Layer primary coil  (Read 344 times)

Offline Benjamin Lockhart

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2 Layer primary coil
« on: December 05, 2023, 05:26:18 AM »
Does anyone know of a good reason not to use a 2 layer flat DRSSTC primary coil like the one shown on this page, http://www.laushaus.com/tesla/primary.htm to save space on high impedance designs with 9 or 10 turns?

My concerns are the self induction heating of the coil, flashover between opposite ends of the primary, and the increased voltage at the inside which is now the mid point of the primary.
« Last Edit: December 05, 2023, 05:31:46 AM by Benjamin Lockhart »

Offline Mads Barnkob

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Re: 2 Layer primary coil
« Reply #1 on: December 05, 2023, 09:28:30 AM »
You have all the primary concerns about primary coils nailed down.

Induction heating of the inner turns, is properly only going to be an issue if you run above 500-1000A and long run times. I would add a T-piece for water cooling inlet at the center and then have two outlets at each end of the two coils.

Flashover is fixed in his case, from the acrylic plate.

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Re: 2 Layer primary coil
« Reply #1 on: December 05, 2023, 09:28:30 AM »

 


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