Re: THOR episode II

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

Original poster: "Marco Denicolai by way of Terry Fritz <twftesla-at-qwest-dot-net>" <marco.denicolai-at-tellabs-dot-com>

Hi Marc,

thanks for your help, but GDTs (gas discharge tubes) are spark gaps,
actually. I savaged a complete reel of them (some hundreds?) from trash
but I still cannot see were I'll possibly use them.

Regards

Tesla list wrote:
> 
> Original poster: "Metlicka Marc by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <mystuffs-at-orwell-dot-net>
> 
> > MOVs (Metal Oxide Varistors) my help a lot.  Unlike spark gaps, they are
> > voltage driven not current driven.  They will conduct away the high voltage
> > spike but they will cease conducting once the voltage drops below their
> > rating.  This allows the voltage to be clamped without the chance of
> > getting a continuous current arc started.  They are fast and can absorb
> > streamer energies.
> >
> >
> 
> maybe some gas tube surge suppressers? if you would like to try a few, i
> have some 250v twin line tubes. they can be used each side to ground for
> 250v threshold or feed through both tubes to ground for 500v threshold
> but only one line per unit. i'll send you a couple if you mail me off
> list with an address. these are pretty neat little items.
> marc

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 Marco Denicolai           Senior Design Engineer 
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