Re: NST Filter

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

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Kidd6488-at-aol-dot-com>

In a message dated 6/7/01 09:43:23 PM Eastern Daylight Time, tesla-at-pupman-dot-com 
writes: 


>
> >thirdly, what are MOVs and what do they 
> >do, and how do they do it? 
>
> I guess they are some bulk semiconductor material that needs to have a 
> certain amount of voltage across them before they start to conduct.  Since 
> they dissipate power in a relatively large volume, they can take quite a 
> power hit.  Basically, they act like a switch that turns on at a given 
> voltage.  Perfect for shorting out high voltage spikes.



Woa! Does that sound like another switch I know of... - Spark Gap??? The only 
problem I see with using a MOV instead of a SG is that maybe there is too 
much current to be switched by a MOV. I think... 

--------------------------------------- 
Jonathon Reinhart 
hometown.aol-dot-com/kidd6488/tesla