Re: DC efficiency

To: tesla-at-pupman-dot-com
Subject: Re: DC efficiency
From: Greg Leyh <lod-at-pacbell-dot-net> (by way of Terry Fritz <twf-at-verinet-dot-com>)
Date: Tue, 12 Jan 1999 07:44:21 -0700
Approved: twf-at-verinet-dot-com

Original Poster: "John H. Couture" <COUTUREJH-at-worldnet.att-dot-net>


  >Marco, Greg, All-

>  Tesla would have wanted the most efficient Tesla coil (air core resonant
>transformer) for his world circling electrical system. Is the DC Tcoil
>system more efficient than the AC Tcoil system? Have any comparisons ever
>been made? It would appear the DC Tcoil system would give a more stable
>output but the AC Tcoil would be more efficient because less circuitry is
>involved.

A coil with a consistent primary firing voltage is more 
efficient than a straight AC Tcoil, simply because the 
'runt pulses' near the zero crossings of an AC coil do not 
contribute significantly to the spark length, allowing the 
ions to further dissipate.
-- 


-GL
www.lod-dot-org