[TCML] Terry Filter Caps

[bartb]

Hi Phil,

Yes, I thought Adam has sent the post (had two lines of "so and so 
wrote:" and for some reason thought it was Adam).

Anyway, wow, a Terry filter fitted for a pig!
http://members.aol.com/fiftyguy/TC_Pig_Terry_Filter.jpg

I especially like the horn gap approach and even the sphere's on the 
ears! It certainly doesn't hurt to provide a little transformer filtering.

Take care,
Bart

FIFTYGUY at aol.com wrote:
> Yeah, and the MOV's are slow to respond to  transients at 1 MHz. But they 
> certainly are nice to have! 
>     Some distribution arrestors use "combined  technology" with a spark gap 
> in series with the MOV element, just to complicate  things. I think the big one 
> I've got sitting around is like that, since the last  time I tried it across 
> my pig on an untuned coil, hot metal sparks actually shot  out of it and 
> rolled on the ground.... The two arrestors on my pig have done  just fine at 
> 15+kVA, even when the safety gap has been firing. I feel I've got  that safety gap 
> set pretty tight, but my arrestors are as tight on the MCOV  specs as I dare go 
> (even tighter than the specs for the "usual NST" Terry  Filter).
>  
> -Phil LaBudde
> Center for the Advanced Study of Ballistic  Improbabilities
>