Re: Reflections in Power Transfer

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: Reflections in Power Transfer
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Mon, 12 May 1997 09:09:52 -0500
• Approved: tesla-at-stic-dot-net

Subject:     Re: Reflections in Power Transfer
      Date:  Sun, 11 May 1997 19:33:22 -0800
      From:  Greg Leyh <lod-at-pacbell-dot-net>
        To:  Tesla List <tesla-at-pupman-dot-com>
References: 
           1


Malcolm Watts wrote:

>      I was pondering the fact that we never see the secondary
> ringdown in just a cycle or less when loaded by spark. That means
> that no matter what the V/I ratio in the spark, it never equals Zo of
> the secondary.
>      Turns out the answer is blindingly obvious: We know that a spark
> is a non-linear resistance. Matching to Zo requires an ordinary
> resistance. Therefore, a proper match never occurs, regardless of the
> V/I content of the spark (which changes wrt time anyway). 


True, it does change wrt time, but wouldn't the streamer start out at
a high Z, with Z decreasing as power is pumped into it, until the point
of maximum power xfer is reached?  Beyond that point, the spark power 
would start decreasing, until its Z rose back towards the point of
max pwr xfer.

-GL

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