[TCML] Re: Fried It!
dave_p at comcast.net
Tue Nov 9 20:13:28 MST 2010
> So TCML members - do we think this is emi that is getting back into
> the ac lines and not being adequately filtered? Or is this the result
> of a direct strike, em fields, a possible radiating coil or something
yes. all of the above.
I used to do EMI for a living, tho not from Tesla Coil
class sources. The EASIEST gotcha is that the EMI can
EASILY radiate AROUND the filter. For full effect the
filter has to be in a 'cage' ('Faraday cage') wall, with
the source inside. Not practical, mostly.
This applies to both 'sources' and 'victims'. Filters
without cages can help, may be enough, may not. Each
instance has to be looked at hard, and the subtleties
can appear magickal: the physics is unforgiving.
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