Re: Kicker Coil Powered TC

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

Original poster: "Kevin Ottalini by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ottalini-at-mindspring-dot-com>

David:
        Indeed, I've learned more real electronics working on Tesla Coils
and other high voltage gear than I ever did during school or normal "work".

I love it when our hobbies improve our job!

Good trick with your novel "hipot" tester ...

Kevin

----- Original Message -----
Subject: Re: Kicker Coil Powered TC


> Original poster: "David Sharpe <sccr4us-at-erols-dot-com>
>
> Kevin, Steve
> We had some problems at work with battery chargers that were failing, I
> suspected that the PS were not transient protected (price point and
>  all).  The marketing gurus tried to say "Good is good enough"
>  (a hot button for me...  >:>C )
>
> So I told them I could induce a failure in less then 1 hour, they laughed.
> I took a
> Allen Bradley 700N relay as a buzzer and put in the same duplex recepticle
as
> three "Units under Test".  I was wrong, they ALL failed within 15 minutes:
> primary to secondary short circuits, bridge VRRM crashes, etc. etc.  An
> inductive
> kicker like this can produce obscenely large voltages (I measured
> repetitively 3kV
> pk to pk).
>
> They ask me to redesigned, added a varistor, some high speed RC snubbing
and
> problems vanished.   :^)
>
> Regards
> Dave Sharpe, TCBOR
> Chesterfield, VA. USA