[Prev][Next][Index][Thread]

Re: EMI Filter Hookup? -- Internal House Wiring Popping AndCrackling



Tesla List wrote:
> 
> Original Poster: "William Parn" <parn-at-fgm-dot-com>
> 
> I need help in how and where to hookup a EMI filter?
> 
> In switching to AC powered TC my internal house wiring
> is popping and crackling.  Yikes -- the insurance might
> not cover a fire due to voluntary use of TCs.
> 
> Do I run it backwards?
> 
> Do I ground it to my seperate earth ground?
> 
> Sorry for the repost but I am in over my head on this one,
> and I can not run my TC in AC mode until I know how to do
> this.
> 
> Many Thanks,
> Bill Parn



Hi Bill ...

on the filter you will find  2 sets of lugs ( connection points) 
normally there are 2 lugs ( 1 set)  and 3 lugs (another set) sometimes
the second set of lugs will have 2 connection points and a case
ground....

you will also find the lugs labeled as "LINE"  and "LOAD"   what this
device does is filter out spikes etc. from the line supplying sensitive
equipment 

in a normal case   the voltage supplying the device is set on the "LINE"
side of the filter and the device being protected is hooked up to the
"LOAD" side of the filter....   but this is the normal case   ;) 

we are not normal   we play with EXTREMELY hi voltages  ;)   therefore
we use the filter in a not normal manner  :) 

we want to protect the "sensitive" device called the house wiring ....

soooooo ....    we simply reverse the connections    the supply voltage
gets hooked up to the "LOAD"  connections   the "LINE" connections hook
up to the NST's MOT's etc.

as far as the ground connection ...   there is some differences of
opinion 

some say to hook up the case ground to the RF ground   some say hook the
case ground to the common ground (house ground) ....

i hook mine to the RF ground   BUT be sure to attach the RF ground to
the secondary or else the Filter WILL become a rather interesting
looking paper weight.....


	"load"  "line"
120V====== filter======NST=====coil assy
		|
		|
		ground ( RF or house  depending on popular beliefs) 

Scot D