RE: Coiler Question, concerning primary windings.

• To: tesla-at-pupman-dot-com
• Subject: RE: Coiler Question, concerning primary windings.
• From: Sulaiman Abdullah <sulaiman-at-lityan-dot-com.my> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Wed, 18 Nov 1998 23:14:45 -0700
• Approved: terryf-at-verinet-dot-com

Greetings,
you are describing a multi-filar winding which is a frequently used
method of doing exactly what you describe, I believe that the 'skin
effect' is less pronounced for several parallel insulated windings than
for one thicker wire.
For low frequencies the benefit is just several thin wires to wind
instead of one thick wire of equivalent cross-sectional area, plus you
can (you have) construct the windings so that they can be used in
parallel, series, or as a transformer for experimental purposes. You've
just 're-invented' Litz wire also.

>     I wound a toroid, that had six primary windings in parallel, 
<snip>
> Winding resistance is halved for the first coil in parallel, cut to
> 1/3 with three, and 1/4 with four.
> 
> 
> 
> 
> 

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