Re: Secondary wire.

• To: tesla-at-pupman-dot-com
• Subject: Re: Secondary wire.
• From: "Ruud de Graaf" <rdegraaf-at-daxis.nl> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 29 Mar 2000 06:56:56 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

>Original Poster: "Ed Phillips" <evp-at-pacbell-dot-net>
>
>Tesla List wrote:
>>
>> Original Poster: "Charles Arruda" <carruda-at-channelseek-dot-com>
>>
>> Has anyone ever tried "litz" magnet wire for their secondary?
>> Sounds like it might increase power-transfer from the primary
>> and reduce loss from corona on the surface.
>
> About 15 years ago I wound a 5.25" dia x 18" long coil with litz wire,
>equivalent to about #26 solid.  The results were disappointing, not
>worth the investment of such a large piece of my spool of litz.
>Although some of the "big boys" may disagree, I am pretty sure that the
>Q of the secondary is of minor importance, because the losses in the
>streamers are much greater than the losses in the wire.  The Q was about
>300 at a frequency of 360 kHz, but the loaded Q was obviously much less.
>
>Ed
>


Hi Ed,

I always thought Q was independent of load, but you break that window. Could
you explain how Q can change when a RCL combination is loaded?

Ruud

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