RE: RF Ground Connections - Wire Type

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Lau, Gary by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Gary.Lau-at-hp-dot-com>

I've seen no evidence that the inductance of a coil is affected by the
stranded vs. solid construction of the wire.  In my primary resistance
experiments (http://www.laushaus-dot-com/tesla/primary_resistance.htm), the
inductances of the coils were essentially the same for all conductor types,
including solid, stranded, ribbon, and Litz.  The AC resistance was very
much a function of conductor type, and this may play a role in a coil's
performance, although actual performance was not addressed in my experiments.

Gary Lau
MA, USA

>Original poster: "Ben McMillen by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<spoonman534-at-yahoo-dot-com>
>
>Let's not forget that solid wire has lower inductance than
>stranded (for instance.. the use of flat copper ribbon for
>primary connections, etc..)  If I understand correctly,
>this plays a major role in coil performance.. 
>
>Coiling in Pittsburgh
>Ben McMillen

>> 	I'm going to have to disagree with your assessment.  For
>> high
>> voltage transients, stranded or braided wire outperforms
>> solid wire in all
>> instances.  This is the primary reason you use braided
>> wire for lightning
>> protection in house security systems etc...  Another
>> example is the use of
>> stranded wire vs. solid in audio applications.  
>> 
>> 	Dan