Re: What is Kickback?

To: tesla-at-pupman-dot-com
Subject: Re: What is Kickback?
From: "Grady Guard" <gradyguard-at-hotmail-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Fri, 07 Jan 2000 11:42:52 -0700
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme




>From: Tesla List <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: What is Kickback?
>Date: Thu, 06 Jan 2000 12:17:01 -0700
>
>Original Poster: "Lau, Gary" <Gary.Lau-at-compaq-dot-com>
>
>I see frequent references to "kickback", as something that caps and NST's
>need to be protected against.  Can somebody provide a concise definition of
>just what this is and its underlying mechanism?  Something that can be
>modeled with PSpice?  I want to understand if there really is such a thing,
>or is this just a reference to a streamer striking the primary circuit?
>Could it be due to the gap misfiring?  Streamer strikes aside, the only
>thing that I can see going from the secondary to the primary is, after
>quench, the primary and secondary inductors act as an untuned transformer,
>but I think the potential for primary damage is small due to the low
>efficiency of the untuned transformer.
>
>Thanks in advance,
>Gary Lau
>Waltham, MA USA
>
>Hi Gary,
Take a ign. coil or some other iron-core inductor, and touch the
leads to a battery while touching them. Then disconnect one of the
leads. This expirement will gain you infinite wisdom in the effects
of kickback. (just kidding!)
Grady


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