Re: Line Filters...

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

Original poster: "Hydrogen18" <hydrogen18-at-hydrogen18-dot-com> 

You can make a line filter pretty easily. I dissassembled one recently and
all it had was a 6 or 7 turns of wire around a ferrite toroid for each phase
and then it had some resistors and capacitors passive PFC I'm guessing.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, January 27, 2004 7:43 PM
Subject: Line Filters...


 > Original poster: Brett Miller <brmtesla2-at-yahoo-dot-com>
 >
 > All,
 >
 > I am preparing for an upcoming demonstration of my 6" system to the local
 > amateur radio club.  The demo will likely take place at the building
 > housing the local 2 meter repeater and packet radio digipeater.  Naturally
 > this brings up the concern of ensuring that the coil is operated far
enough
 > away so that the e-field is clear of the aforementioned equipment and that
 > proper line filters are in place.  As seen on my website, I have run the
 > 720 watt coil (single 12/60 NST) indoors, about 30 feet away from my lab
 > (sporting 7 computers and plenty of test equipment and radios) with no
 > equipment failures or computer lockup.  Plus, rarely is TVI noticed on a
 > running television elsewhere in the house, and when present is quite
 > minimal.  I guess I should try "looking" at the line signal with a scope
 > while the coil is running to see what kind of parasitics show up.  In the
 > meantime, I think I will invest in a line filter to use during the
 > demonstratio! n...if nothing else, to ease the mind of the repeater
 > trustees, etc.
 >
 > I saw this line filter on ebay and was wondering if it would be suitable
 > for my 12/60 disruptive TC system.
 >
 >
<http://cgi.ebay-dot-com/ws/eBayISAPI.dll?ViewItem&item=2590510181&category=7288>http://cgi.ebay-dot-com/ws/eBayISAPI.dll?ViewItem&item=2590510181&category=7288
 >
 > -Brett
 > <http://www.hot-streamer-dot-com/brett>www.hot-streamer-dot-com/brett
 >
 >
 >